Ex-Cell-O Machine Tools Style 31 & 31-L Precision Thread Grinder - Manual Grinder

EX-CELL-0

e.

PRECISION

STYLES

Installation,

Operation

THREAD

31

and

and

Maintenance

@)

GRINDER
31-L

Printed

in

U.S.A.

·~

EX-CELL-0

,.,

PRECISION -

>*

BULLETIN

November,

48931

1943

In

order

tinuous,

properly

manual
in

the

hands

the

information

This

to

conform

tool

performance.

by

specially

vision.

tion

and

that

satisfactory

installed,

is

printed

of

the

it

thread

It

has

grinder

to

Ex-Cell-O's

trained

was

inspected

been

FOREWORD

this

precision

service

operated

with

this

proper

contains

was

It

was

workmen,

at

tested

in

machine

it

is

necessary

and

in

view.

supervisor

should

designed

bull t
various

actual

high

under

be

standard

to

rigid

stages

operation.

maintained.

It

studied
and

competent

may

give

that

should
in

be

placed

the

plant,
carefully.

manufactured

of

machine

specifications

super-

of

construc-

con­it

be

This

and

Some

from

ments
requirements

for

such

details

the

description

in

design,

changes.

of

the

machine

in

this

equipment

of individual

furnished

book.

customers

and

Constant

materials,

are

may

improve-

and

the

reasons

differ

the

General

Description

Specifications

Machines

Installation

INDEX

.......................................................................................................................................

............................ _ .......................................

in

Operation

.....................................................................................................

,,........................................................

SECTION

100

105

106

200

Lubrication
Operating

Electric
Wheel
Feed

Dresser
Wheel

Work
Work Speeds

Work Spindl.e ....................................................................................................................................

Work
Master
Changing

Lead
Tails

Grinding Wheel Spindle .........................................................................................................

Changing Wheel

Helix

·································································································

Instructions

Control

Feed

and

Retract

Feed

Dresser

Drive

Head

Horizontal

Lead

Master

Pick-up

tock ........................................................................................................................ .

Angl.e

Setting

....•.......•..........•...••..••.•.•..•..•....•.•..........•...•...........•.•....

Panel

Control

Lever

Control

.................•...•.•.•..•...•........•.....•.•...•.•.•.•.•...

...........................................................

. ,

.........................................................................

...........................................................................

.................

.....................................................................................

.............................................................................................................................. .

....................................................................................................................................... .

Adjustment

Screw

De

.............................................

Lead

Screws

vie e ..................................

Pulleys

......................... ~ ................................................................. .

...........................................................

.

................................

........................................

,,

..................................................................... .

.

........................

...............................................................................

Mountirig Grinding Wheels ................................................................................................. .

Summarized

Maintenance

Cleaning
Adjusting the
Service
Grinding
Work
Adjusting

Care

Electrical

Spindle

of Grinding

Instructions

..............................................................................................................................

the

Coolant

Lead

Screw

Life of

Spindle

Lead

Service

Service

Work

Spindle

Wheels

Maintenance

for

Settingto

New

Work

......................................

Tank ......................................................................

Nut

.................................................................

Screw

....................................................................

............................................................................

Alignment " ..........................................................

..............................................................................................

Information

..........................................................

•

•........

..

.
.

.
.

..

.
.
.

..

.

.
.
.

.
.

~

.

300

400

qo2
qo2

402

qo2
qo2
qo4

404

qo5
qos

405
405

405
406

ij06
406

406

qo7

407

500

50
50

50
502

502

502
502
503

l

I

l

Dressers,

Attachments

Dresser

Dressing

Unit, Cradle Type ............................................................................................................... .

Attachment

Wheel Thinning

Back-off

Headstock

Attachment

Center
Suction Hood
Refrigerator

Grinding Wheel Balancing

Type

Bench
Center

Extra

Standard

Lead

Lapping Machine ........................................................................................ .

and

Attachment

Grinding

Type

Oil

Pick-up

Equipment

Equipment

for

Mounting

.............................................................

on

Work

Table

......................................

....................................................................

........................................................................................

Attachment

Cooling Unit

Sta.nd

......................................................................

Fixture

.••.•••..•.•...•.•.••.•.•.•.•.•.••.••.•••...•....•.•.•

..........................................................

.................................................................................

.

600

60

I

.

60 l

.

60

l

.

602

603

604

604

.

.

604

..

605

606

606

SECTION

Thread

Grinding

Grinding
Work

Coolant

Dressing

Depth

Balancing

Long,

Work

Work

Steady
Material

Grinding

Correcting
Thread
Diagram
Diagram

Replacement

and

Wheels

Speeds

Grinding

and

...........................................................................................................................

Wheels

Wheel

•••••••••.•.•••.••••.•.••••••••.•••••.•••••••••••••••••••••••••

Speeds

......................................................................... .

,,

............................... .

•..••.••.••••.••••••.•••••••••••••••••••••.••••.••.•.••..•.•••.••••••••••••••••.••..••••.•••••••

and

of

Grinding

Grinding

Thin

Precision

Centers

Drive

...

Rest

Dressing

......................................................................................

Dogs

......................................................................................................

Diamonds

Cuts

•••••••••••••••••••••••••••.•••••••••••••••••••••••••••••••••••••••••••••••

Wheels

.•.•••••.•••••.• .-•..••••••••••••..••••••••••••.•.••••••.•...•.....•...

Threaded

.•••••••.•••••.•.•••••••...••••••••••••.•••.•••.•.••..•••••••

Parts

•.•.••.•••••.•••••.•.••••..••••••••••..•••.••...••••••.

..................................................................

.....

............. .

........................................................................................................

Suggestions

Unsatisfactory

Grinding

with

Grindi11g

with

Work

Parts

..............................................................

.........................................................................................

Wheel

Speeds

Grinding

Recommendations

Speeds

................................................................................................. .

.........................................................

................................................

.....................................

.......................................

.

............. _ ............

..

700

70 I
701

I

70

702
702

703

703

.

703
703

..

703
70ij

..

70ij
70ij

.

70ij

..

.

800

GENERAL

,

EX-CELL-0

DESC

PRECISION

RIP

TION

THREAD

GRINDERS

STYLES

31

and

31-L

1.

Work

2.

Lead

3.

Work

4.

Coolant

5.

Helix

6.

Wheel

7.

Grinding

8.

Table

FRONT

Head

and

Pick-up

Spindle

Flow

Angle

Drive

Wheel

Control

VIEW

OF

~X-CELL-O

Lead

Screw

Hand Wheel 10.

Flange

Control

Graduated

Motor

Dogs 15.

Housing

Valve

Scale

STYLE

- 101 -

31

PRECISION

9.

Feed
Tailstock

11.

Table

12.

Electric
Switches

13.

Dresser

14.

Size

Setting

Electrical

THREAD

and

Slide

GRINDER

Retract

Control

Slide

Hand

Compartment

Lever

Buttons

Hand

Wheel

and

Wheel

GENERAL

DESCRIPTION

16.

Coolant

17. Wheel

The

Ex-Cell-O
Grinders
in

that
work
applies

two-speed

four-step

motor

tain
tions
chine
an

idler

electric
interchangeable

are

identical

the

31-L

pieces.

to

THE WORK SPINDLE

is

the

proper

of

the

the

pulley.

THE GRINDING

The

both

machines.

electric

pulleys.

mounted on a hinged

belt

work

correct

motor

through a V-belt

pulleys.

Pump

Guard

Styles

in

operation.

machine

information

motor

On

the

tension

head.

belt

On

tension

WHEEL

REAR

VIEW

OF

EX-CELL-0

Motor

20.

31

and

31-L

accomodates

in

is

worm
through a V-belt
Style

31

bracket

at

the

various

the

Style

is

maintained

is

driven
and

The

motor

Thread

They

longer

this

manual

driven

machine

to

31-L

two-step

mounting

Work

differ

by a

and

the

main-

posi-

ma-

by

by

an

STYLE

Drive

base
sion,
setting

justable
hand

suit
is

obtained
graduated
setting.
adjusted

and

on

anti-friction

31

THREAD

Guard

is

adjustable

and

of

A wheel

is

available

The

the

helix

THE WORK TABLE
the

adjustable

18.

19.

is

suitable

eight

to

fifteen

wheel

angle

by

scale

The

angle

GRINDER

Coolant

Work

to

for a maximum

degrees

drive

motor

degrees

as

spindle

of

turning

is

spindle

by

three

tailstock.

ground

extra

the

provided

Tan.le

Drive

maintain

housing

Motor

of

the
mounting

either

standard

housing

work.

the

adjusting

clamping

carries

The

and

lapped

proper

helix

grinding

right

equipment.

can

be

The

helix

to

facilitate

is

locked
screws.

the

work

table

rollers.

belt

angle

wheel.

base

or

tilted

setting

screw.

at

spindle

is

moved

ten-

ad-

left

to

A
the
the

The

- 102 -

GENERAL

DESCRIPTION

reciprocating
controlled
the

work

by a

head.

movement

master lead screw

The work

of the

head assembly

work

and

table

nut in
is

is

ad-

justab
ground

center

le

horizontally,

at

various

or

chucking

so

that

distances

device.

the

from

thread

the

headstock

may

be

FRONT

1.

Work

2.

Lead

3.

Work

4. Coolant Flow

5. Helix Angle

6.

Wheel
Grinding

7.

8.

ADJUSTABLE TABLE DOOS
movement
or

reverse
switch.
master
entire
red

emergency

Head

Pick-up

Spindle

Drive

Table

machine

Control

of

the

the

The

switch

buttons

and

Graduated

Motor

Wheel

table.

table

is

in

the

may

button.

Lead

Hand Wheel
Flange
Control

Dogs

They

travel

controlled

switch

be

stopped

VIEW

OF

EX-CELL-O

Screw

by

control

Housing

Valve

Scale

control

automatically

contacting a limit

by

setting

panel.

by pushing

-----------

STYLE

the

stop

the

The

the

= ·-

31-L

The

of

the
match
work

The

ing

the

9.

10.

11.

12.

13.

14.

15.

work

the

piece.

feed

THREAD

Feed
Tailstock
Table
Electric
Switches
Dresser
Size
Electrical

work

position

head

wheel with

and

grinding

GRINDER

and

Retract

Slide

Control

Slide Hand Wheel

Setting

housing

retract

Hand

Compartment

hand

enables

pre-cut

lever

wheel

into

Lever

Buttons

Wheel

wheel

the

threads

is

used

the

work

and

at

the

operator

on

for

feed-

at

front

to

the

each

- 103 -

GENERAL

DESCRIPTION

reversal

backing

ing work

feed

the

centrifugal
The
at
is
of

operated
machine.

swinging

in
graduated

angle.

the

pieces

movement

size

setting

COOLANT oil

tank

rear

to
directed
the

wheel

GRil',IDING

the

adjustable

The

of the

is
facilitate

arms

table

slide.

wheel

pump mounted in
placed

to

wheel

Two

scale

away

for

at

the end of the

of

more

than 3

hand wheel

is

supplied

outside

filling

the

work

by a

guard

.

WHEEL DRESSER. A

dresser

dressing

which pivot on a

bracket.
for

setting

diamonds

are

All

WITHIN

It

also· serves

unloading

cut.

/3

2"

is

used

by a

the

of

the

machine

and

cleaning.
valve

is

furnished

diamonds

shaft

Each

bracket

the

adjustable

CONTROLS

EASY

and

load-

Ii

a

cross

is

required,

for

feeding.

motor
coolant

thread

driven

tank.

base

Coolant

at

the

front

manually

with the

are

held

assembled

has

form

vertically

ARE

CONVENIENTLY

REACH

OF

THE

for

in

a

for

er

is

work

the
the
When
size
Subsequent
wheel
wheel
While
dresser
except

form
hardened
treated

minus
Lead
inch.

LOCATED

OPERATOR

the

line

of

contact

mounted on

table.

wheel.

dresser

the

and

into
the

grinding

to

TOLERANCE . When any

is

.0002"

can

The

The

slide

dresser

form,

handwheel

ground,

coarse

the handwheel

dressings

the

dresser

amount

compensate

blanks,

can

be

held

with

the

the

dresser
diamonds
dresser
to

the

is

to

be

to

the

does

whether

or

previously

threads, a tolerance

be

held

within

contact

handwheel

desired

adjusted

are

made

by

the

dressed

same

work

not

need

for

the

fine

on

plus

or

wheel.

slide

work
to

is

locked

by

wheel

from

diameter,

to

diamond

standard

threads

roughed

the

pitch

minus

The

dress-

back

the

front

positions

diameter.

the

correct

in

feeding

slide

the

wheel.

be

disturbed

wear

thread

from

and

of

plus

diameter.

.0002"

of

the

of

place.

the

hand-

the

.

solid

heat

or

per

- 104

..

GENERAL

SPECIFICATIONS

DESCRIPTION

Ex-Cell-O

Maximum
Grinding
Minimum
Grinding

Work

drive

Work

speeds

Work

Wheel

Coolant

speeds

drive

pump

Machine

wheel,
Coolant
Overall

tank

height

Maximum
Maximum
Floor
Net

Weight

Weight
Size

space

weight of

of

of

of box

Precision

work

diameter

wheel

wheel

adaptable

size

grinding

speeds

motor

(900
(1800

motor

motor

either

. . . . . .. . . .

wheel

......................................

(2

speed) ..

rpm

motor

rpm

. .

...

. .. ..

.. . .. . . . . . . . . . . . . . . .

for

maximum

direction

capacity

..

..

.....

........

work

length

thread

between

length,

required . .... . .. .. ..

machine,
machine
machine

for

foreign

approx.

crated

boxed

shipment,

Thread

. . . . . . . . . . . . . . . . ..

..

diameter

Grinders

. . . . .

..

. . . . . . . . . . . . .

. .. . . . . . . . . . . . . . . .

.. . .. ..

Styles

. . . . . . . . .

..

. . . 18

.. .. ..

31

and

31-L

..

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

11

dia. x 3

..

..

. . . .

..

/8

. . .

11

thick

..

. . . . . . .. . .

1485,1575,1670,1780,1910,

2040,2150,2290,2450,2640

motor

...

......................

speed) . ..

speed)

. . .. . . .

helix

...

................................

...

. .. .. .. .

..

. . . . .

setting

...............................................

.. 1 hp, 900

.. .. . . .

..

..

. . . ..

..

. . .. .. . . .

of

...

.....

.....

...

. . . . . .

...

..

.. . . .. . . .. . . . 3

rpm;

2 hp, 1800

....

. . ..

6,8,20,30

12,16,40,60

. ... .. . . . 2 hp, 1800

/4

hp, 3600

...

. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . .

...

.. .. .

...

. .

...

STYLE

centers

anywhere

....

................................

for

domestic

for

foreign

. . .. . .. ..

31

. . . . . . . . . . . . . .

within

.. .. .. .. .

shipment,

shipment,

approx.

..

.. . . .. .. .

ONLY

...

.. .. .

12"

of

headstock

..

..

.. .

.. .. .. .. ..

approx.

approx.

....................

...

. .. ..

...

. . .. . . .. . . . . .. .

..

. . . . . . . . . . . . .. .

center

76

11

wide x

....

.. .. .

..............

.................

.....................

.................

.. ..

11

x 9

hole

..

. . 12

rpm

rpm

rpm

rpm
rpm
rpm

.......

..

. . 50 gal

..

.. . . . . 18

. .

..

. . .. 8

11

73

deep

.. 5400

6000
6500

171

cu

150

52

lb
lb
lb

ft

11

11

11

11

11

Maximum
Maximum
Maximum

Floor
Net

space

weight of

Weight of
Weight

Size

of

of
box

work

length
thread
table

travel

required

machine,
machine
machine

for

foreign

length

crated
boxed

STYLE

between

from

centers

headstock

. . . . . . . . . . . . . . . . .

...............

approx.

for

for

..........................

domestic

foreign

shipment,

31-L

....

...

. . . . . .

.. .. .. ..

shipment,

shipment,

approx.

- 105 -

ONLY

. . . . . . .

..

center

..........

.....................................

..

. . . . . . .

........

approx.

. . . . . . . . . . . . . . .

... . ...

.. ..

..

. .

..

..

..

............

approx.

..

..

.. .. . ... . ...

.. ..

...

. .

...

136

..............

.................

..

..................

. .. . . .

..

. .

.. .. . ...

..

. . .

..

. . ..

....

11

wide x 73

..

. . . .. . . • . 215

..

. . . 20

11

deep
5800
6500
7150

cu

36
20

11
11

11

lb
lb
lb

ft

GENERAL

DESCRIPTION

STYLES

Grinding a multiple
lead

screw

The

multiple
spindle
the

provides

work

for

on

index

each

31

the

quick,

AND

start
Style
head

start

31-L

THREAD

thread

31

Thread

mounted

accurate

of

the

on a

Grinder.

to

the

positioning

thread.

GRINDERS SUITABLY

master

work

I

..

of

l4ltl

!

+-a

An

arbor
part.
ditional

The

coolant

EQUIPPED

is

used

to

flexible· tube

oil.

IN

OPERATION

hold

this

at

the

right

small

supplies

aircraft

ad-

Threads
are

ground

Styles

large

range

31

on a

and

small

with

31 -L

of

work

diameter

the

aid

Thread

lengths

of a

Grinders

and

instrument

steadyrest.

handle

diameters

part

➔

The

a

.

......

The

Style

31-L

Thread

Rough

Grinder

locators

accommodates

facilitate

- 106 -

loading.

long

work

pieces.

INSTALLATION

EX-CELL-0

STYLES

PRECISION

31

THREAD

and

31-L

GRINDERS

When the

two

clamps
end, to
clamps
removed

are

clamps

is
the machine
another.

taken

away,

be checked

prevent

and

when

attached

CAUTION:

must

started.

When

the

that

no loose boxes

as

they contain

against

machine

are

on the work

movement

their

holding cap

the

to

these

To

be

The

clamps

is

moved

machine

STYLE

removed

31

is

packed

during

machine

clamps

prevent

must

from

is

uncrated,

or

parts.

the packing

THREAD

table,

is

before

packages

GRINDER

for

shipment

one

transit.

screws

in

.

damage,

be

one location to

All

list.

should be

place.

the machine

replaced

care

are

items

The

PARTIALLY

at

either

These

Tags

these

when

must

thrown

should

master

CRATED

lead
the

it

should be checked
that
during
prevent

chine should be

should be left on the machine

in

position.

location with

be

ing
easy
clearanc!;! of

- 201 -

FOR

DOMESTIC

screw

machine

As soon

no

The machine should be

machines

access

and nut, and

are

as

the machine has

part

has

shipment.

dust

and

sufficient

to allow efficient

to

the

four

packed in

SHIPMENT

other

very

thoroughly to

been

damaged

All

paper

dirt

from

removed.

placed

room

coolant tank

or

five feet

smaller

separate

been
or

wrappings,

getting into the

The wooden

unttt

between

for

is

suggested.

parts

boxes.

uncrated,

be

rearranged

used

it ·is

placed

in

the

desired

surround-

operation

cleaning. A

of

sure

to

ma-

skids

and

If

INSTALLATION

OIL

COOLING

OPTIONAL "-....,

EQUIPMENT

COOLANT TANK

UNIT

STANDARD

'-...._.

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3

j

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EXTREME

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2

FLOOR

PLAN

OF

EX-CELL-0

STYLE

- 202 -

31

PRECISION

THREAD

GRINDER

OIL

COOLING

OPTIONAL EQUIPMENT

UNIT

INST

ALLA

Tl

ON

------­i-------

FOR

----

STANDARD

COOLANT TANK

i DIA.

BOLTS

61

-

------4------

- - -

- 3

HOLES

--

1¼

---136

UTLINE

OF MACHINE

MAXIMUM-------

39½

42

BASE

•

17

I

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81

.-

--

---~

FLOOR

a crane

care
does not bind any
might

from
Waste should not
Dirt

because

faces. A brush

to clean

is

used

to

lift

the

must

cause

The

sludge

the

machine with

be taken

damage.

part

and

be

that

the
or

grease

kerosene,

used

should not be blown away with

grit

maybe

in

corners.

driven

with

stiff

PLAN

OF

EX-CELL-0

STYLE

machine into position,

lifting

mechanism

because

into
bristles

rope

should

on a

it

the

or
where

be

cleaned

clean

leaves

an

air

bearing

can

be

cable

rag

lint.
hose
sur­used

31-L

it

.

PRECISION

FOUNDATION -

formance,

have a
floor
floor

on an
as

solid,

or

may

upper

close

THREAD

it

is

important

level

foundation

be

used.

floor

as

possible

building.

LEVELING

bolt

holes

chine

base.

are

This

-

Three

provided

floor allows the machine to

- 203 -

GRINDER

To

get

that

foundation. A

is

best,

When

or

the
balcony,
to a pillar

foundation
at

the bottom of the

three-point

satisfactory
the

thread

solid

concrete

but a

firm

machine

it

should be
or

is

column of

rest

pads and

contact

rest

firmly

per-

grinder

wooden

placed

placed

the

ma-

with the

on the

INSTALLATION

floor,

and

also

provides
leveling.
be

used

A

Steel

under

spirit

wedges,

the

level
should be used. The
the

flat

tail

stock

surface

slides.

of the work

The
both ieogthwise and
level,

the

bubble should

to

come

to

rest. After
leveled,
in, with

removed
clam
the
the
be

replaced

location to

The coolant
be

placed
are
the

and the
into the
to the

of

baffles

it

is

a good

either

CAUTION:

ps

are

table

machine

before

installed

and

is

when

concrete

The

any handwheel

cross

in

transit.

the

another.

CONNECTING THE COOLANT SYSTEM -

tank

, with

at

the

rear

two

hose

connections to be

grinding
The

tank

wheel

coolant,

grinding

trough

after
wheel,

of the

through a spout

in the

coolant

a convenient

not

rest

pads.

or

a good

level

machine

crosswise.

be

the

plan

or

shipping

at

the

slide

These

machine

the

coolant pump, should

of the

machine

guard

and one

passing

drains

machine

in the

tank

wooden

ones,

machinist's

should

table

be

on which the

should be

In

using a spirit

given

sufficient

machine

to "

grout"

sulphur.

clamps

is

turned. These

factory

from

shifting
clamps

is

moved

base.

made,

at

over

from

base

and

rear. A system

aids

in

settling

means

to

the

grit.

FILLING THE COOLANT TANK -

ant

tank
tank
pump
all

times

tional

capacity

to

the top of the

idle.

.

It

oil

added

This

should

as

is

fifty

level

be

needed.

gallons. This

highest
should be
checked

baffle with

maintained

daily

for

should

level

placed

leveled

time

has

been

the

base

must

be

prevent

while

should

from

one

There
one

pump.

the

work

the

table

returns

the

The

cool-

fills

the

the

and addi -

should
has a decided

sults

to

on

ant

gram
three
chines. These
work

is
line
nection

checked
correct

power

the
the
ward.

at

drive
After
of
motor
and
side

control
shipped.
the
any
wiring

at

chine is

A good

consult

oil

grade

be

used

obtained

the

for

specific

of

thread

because

influence

from

the

suppliers

problems.

grinding

the

nature
on wheel
machine

of

thread

MOTOR CONNECTIONS - (The

is

shipped

motors

drive

Au

the

in

the

machine

connection

has

for

it

line

The

machine

wheel

front

the

On

the

spindle

machines
coolant

removing

the

motor
shaft

the

rotation

of the

All

motors

panel

If

right

direction

other

motors,

of the

The

plug connection
for

with the machine.>

on the

are

motor
wiring

Styles

the wheel

and the

for

the

base.

has

to

be

been

made

rotation

will

be

necessary

.

connections

r.otation

or

at

wheel

spindle

with

pump

the

threaded

the

center

is

engaged with a
compared

motor.

and

wiring

and

tested

the

wheel

it

or

is

spindle

make

machine.

the

coolant pump

31

coolant

motors

Only the

made.

the

machine

If

the

to

the

is

checked

the

coolant
must

direct

rotation

in

the

with

are

before

not

necessary

any

at

the

drive

machine

motor

motor

coolant

of

the

life

and

.

It

is

advisable

grinding

wiring

There

and

31-L

motor,

pump

and

controls

outside

When

this
must

rotation

to

reverse

.

either

motor.

rotate

current

is

checked.

plug

at

the

end

face

pencil

the

or

arrow

connected

the

machine

rotates

to

changes

rear

of

the

.

oil

coolant

the

re-

cool-

dia-

are

ma-

the

motor.

power

con-

be

is

not

the

at

At

down-

wheel

top

of

the

a pin

at

the

to

the

is

in
check
in

the

ma-

- 204 -

LUBRICATIO

N

EX-CELL-0

S

TYL

PRECISION

ES

31

THREAD

GRINDERS

and 31-L

When

the

machine

it

has

been

idle
SPINDLE
to

be
lubricated.
through a sight
housing.

carry
ings
chine
should
grade
Specifications
tion).

The

lubricated

reservoir

certain

These

Spiral

the

oil

at

each

end

is

being

be

filled

spindle

WORK SPINDLE

with

for

that

feed

grooves

from

of the

used

about

oil

are

spindle

PHOTO

AND
COVERS

is

first

some

must

the

precision

bearings

oiler

the

reservoir

spindle

continuously

every

must

listed

be

at

precision

oil

SHOWING

KNURLED

THE

operated,

time,

be

completely

on top of the

on

the

. When

four

used

the

through

SIGHT

CAP

RESERVOIR

AND

the WHEEL

bearings

are

lubricated

spindle

to

the

the

hours.

(Spindle Oil

end of

bearings

the

ON THE

FEED

or

after

filled

spindle

shaft

bear-

the

oil

A high

this

sec-

oil

FEED

SPINDLE

FROM

SCREW

are

ma-

cup

are
cup

OIL

CUP

FOR

SUPPORT

WHICH

THE

ARE

LUBRICATED,

21

at

the

end

of

filled

supplied

under

be
lead

(also
from a sump
which

be

submerged

daily.

The

the

filled

screw

The

under

contains

checked

I

I

I

,.,_

..,

. .

.. .

~·

SPINDLE

CROSS

top of

the

master

with

work

daily,

WORK DRIVE WORM

monthly to

.

BEARINGS

BRACKET

SLIDE

the

work

and

the

table. This

(See

illustration

LEAD SCREW

oil

through

drive

with
nut

assemblies

work

at

the

machine

WHICH

WAYS

bearing

felt

cover.

spindle

drive

bottom

oil.

be

sure

cover)

support

oiler

on

Page

AND

in

the

This

oil,

and

are

AND

WORM GEAR

are

of

the

The

oil

that

at

the

should

302) .

NUT

oil

well

oiler

should

whenever

changed.

lubricated
gear

level

should

the

worm

left

be

are

22

box,

is

- 301 -

The

WHEEL SLIDE
LEVER behind the
an

oil cup which

should

size

FEED
setting

be

lubricated

machine oil.

The WHEEL SLIDE WAYS and
SCREW
whichis
at
reservo
oil

cup
weekly.
with

oiler

only a few

should
of

rear

are

covered

the

top of the

ir

.

The

MOTORS

The

COOLANT PUMP MOTOR

at

the

The

sealed-in

at

the top

The

WHEEL

be

lubricated

non-fluid

bearings.

both

should

side

upper

lubrication

drops

ball

lubricated
by a

knurled

spindle

be

require

which

support

filled

lubrication

requires

bearings

plate

of

the

of machine

AND WORK DRIVE MOTORS

monthly with a good

bearing

grease

AND

hand wheel

from

the

cap.

bracket.

daily

are

and

with

ball

therefore

motor

oil

once a year.

at

LUBRICATION

RETRACT

daily

the

FEED

reservoir

This

cap

machine

as

follows:

has

an

machine

bearings

requires

grade

the

front

has

with

is

The

oil
oil

the

and

The

work

chine

only)

requires

SPINDLE OIL SPECIFICATIONS

The
mended
ings

of

this

Specific
Beaume
Minimum
Minimum
Say

bolt

Say

bolt

Saybolt

Color

Viscosity

The
base

oil

when

agitated

(The

Vacuum

lent.)

drive

is

machine

following

for

the

IDLER

provided

oil

weekly .

specifications

oil

used

with

machine~

Gravity
Gravity

Flash

Fire .......

Viscosity

......

Viscosity ...
Viscosity

......

........

oil

must

and

must

be
readily

with

above

specifications

.. .

.

...

.
.
.

a highly

water

.845
35 Min.
310°F.
345°F.
58-60
40
35-36
75 Lovibond

and

Gargoyle "Velocite

PULLEY

an

oil cup which

in

the

spindle

Seconds

Seconds

Seconds

A.S.T

.M.

refined

separate

allowed

are

met

E"

oil

(31-L

are

at

or

from

by
or

ma-

recom-

bear-

at

100

130°

at

210

No. 1

paraffin

water

to

stand.

Socony-

equiva-

0

0

21. Oil Cup

22. Oil well

for

for

work

master

- 302 -

spindle

lead

bearings

screw

.

and

nut

OPERA

TING

INSTRUCTIONS

EX-CELL-0

S

TYLES

PRECISION

31

THREAD

and

31-L

GRINDERS

OPERATING

TABLE, SLOW-FAST H.

A.

Controls

TABLE,

B.

Controls

START WHEEL

C.

HAND OF THREAD,

D.

This

the

direction

screw.

START

E.

STOP

F.

ONE CUT-CONTINUOUS

G.

With
switch H set
one

pass

set

at

is

automatically

stroke.

speed

SLOW-FAST

speed

switch

TABLE

TABLE

this

switch

and

"Continuous",

of

of

AND

must

of

thread

accordingly,

stops.

reversed

table

travel

table

travel

COOLANT PUMP

LEFT-RIGHT

be

set

to

conform

set

on the

at

"One

When

the

· the

table

at

master

Cut",

table

this

each

to

left.

to

right

.

with
lead

and

makes

switch

movement

end

of

the

the

CONTROLS

TABLE,

'

This

switch

switch
switch G set
switch

to

make

With

the

"Sfop

to
one

stroke

This

is

set

MASTER

I.

This

8. TABLE CONTROL

is

9.

FEED

DRESSER SLIDE

13.

SIZE SETTING

14.

STOP

G.

to

one

table

Left"

switch

at

"Continuous

STOP

pushbutton

AND

LEFT-STOP

is

With the

at

"Stop

stroke

at

the

will

to

the

is

RETRACT

HAND

used

in

conjunction with

table

"One

Right"

left,

ineffective

HAND

Cut",
will

to

the

right,

cause

and

"

disconnects

DOOS

LEVER

WHEEL

WHEEL

RIGHT

at

the

turning

cause

right,

turning

the

table

stop.

when

all

left,

this

the

table

and

stop.

the

switch

to

make

switch

motors.

the

and

G

-

401

-

OPERATING

INSTRUCTIONS

OPERATING CONTROLS - All

conveniently

within

easy

ELECTRIC

tric

operating

switches

fication

reach

are

name

located

of

at

the

the

operator.

CONTROL PANEL -

control
grouped
plates

pushbuttons

on a

above.

CAUTION: Switch D
threads,
tion

wheel
front
graduations
the
work

.00025
.0005

able

for

Subsequent
turning

cides
position
is

in

wheel

is

It

loading
the
wheel into
exceed 3 /3
is
should
while
using
exact
locked
the
to
to
until

is
be

must

be

set

of

thread

WHEEL

size

of

grinding

piece

11

11

on

pointer

the

finish

on

FEED

setting

the

machine.

on

the

wheel

.

Each

movement

the

diameter

is

provided

cut

the

position

pieces

the

hand wheel

with

the

zero

is

also

used

to

be

dressed.

the

retract

to

prevent

FEED

directly

is

used

and

wheel

used

to

be

the

the

size

size

in

position

work

by moving

the

right.

exact

being

at

size

it

strikes

CAUTION: While

reset,

the

left

housing

AND

RETRACT

back

to

withdraw

unloading

for

the

the

work

11

2

• When

feed

in

at

the

first

work

setting

is

reached,

Subsequent

by moving

the

the

against

movement.

of

to

conform

master

CONTROL ­hand wheel

The

hand wheel

for

the

graduation

of

the
of

are

exactly

until

marking

when

A locking knob

which

the

size

the

work

initial

if

the

the

feed

the

grinding

left

against

piece

handwheel

the

and

the

the

feed

positive

the

size

feed

and

the

controls

front

of

the

and

panel

for

left

with

or

with

lead

screw.

The

is

at

wide

spacing

simplifies

depth

of

grinding

the

work.

to

set

the hand

of

the

grinding

duplicated

the

pointer

on

the

sleeve.

the

grinding

is

locks

LEVER -This

setting

hand {.;heel.

grinding

pieces,

cut,

and

to

depth of

and

cut

retract

wheel,

the

positive

is

ground

for

feed.

hand wheel

wheel

and

pieces

the

lever

withdrawn

retract

can

stop.

setting

retract

positive

stop.

are

machine

The

elec-

selector

identi-

right

hand

the

direc-

grinding

the

right

of

the

setting

cut

on

the

represents

wheel,

An

or

adjust-

wheel

wheel.

by

coin

This

wheel

provided

the

hand

lever

wheel

to

return
feed
does

for

the
not

lever

the

lever

stop

to

size,

When

should

from

lever

be

ground

to

the

left

hand

wheel

lever

must

feed
controls.
slide

of

hand wheel

dresser

diameter.

ment.

-

be

DRESSER

hand

wheel
This

which

the

is

grinding

behind

represents

slide

A

WHEEL

DRESSER

WHEEL DRESSER
plished
of
arms
to

must

er
is
front

stroke
wheel

by two

the

wheel.

supported

the

thread

When

be
arms
taken

toward

is

will

The

angle

the

removed

can
by

swinging

taken

have a tendency

point.

The

dresser
lows:
desired
ing
screws
degree)
cides
scale
ed
diamond
they

The

screws

with

of

in

position

project

adjustable b_rackets

thread

and
(one
until

the

each

holders

FEED

CONTROL -

is

at

the

hand wheel

the

wheel.

or

.0004 on

lock

prevents

FURNISHED

-The

diamond

points

diamonds

in

brackets

desired.

wheel

swing

is

from

the

clear.

the

the

center

in

the

is

set

angle

by

turning

turn

of

these

the

zero

proper

bracket.

by

the

clamping

should

about

5/16

left

of

operates

work

table

Each

graduation

.0002

movement

the

accidental

AS

STANDARD

dressing

engaging

are

which

to

be

dressed

centers

The

diamonds

of

the

opposite

to

to a work

loosening
the

bracket

screws

mark

on
angle
The

brackets

be

11

out of

on

adjusted

The

the

wheel
the
and

grinding

EQUIPMENT

is

held

in

are

adjustable

the

so

the

dressing

from

wheel.

direction

crumble

piece

are

set

the

adjusting

equals

the

plate

the

graduated

are

screws.

the

dresser

feed

dresser

in

front

on

the

of

the

wheel

move-

accom-

the

front

pivoting

work

dress-

cut

the

If

the
the

at

the

as

fol-

to

the

clamp-

one

coin-

lock-

The

so

that

dresser

- 402 -

OPERA

TING

INST

R ;

-::

r 0NS

arms.
center
vertex
on the w
distr

the
relation
center
wheel.
to

The

the

of the

heel

ibu

ted

The

correct

diamond

to
To

raise

dresser

diamond poin

thread

so

evenly.

points

to a radial

the

circumference

obtain

or

lower
done by loosening
rear

of

the

plate
screws
changes
must

swung

in

with

be

readjusted.

To

dress

alternately

the

the

adapter.

the

back.

A

test

cut

is
projection
thread

thread

ing

screws

When

the

correct

be

ground
size
fed

in

The

dresser

that

the

into

the
should
dressed.
fed

in

the

grinding
moved on a
work
size

on

that

when

only .002

form

form

the

on

on

diameter.

about

diamonds

wheel .001

be

locked

In

11

.002

should

diameter.

the

11

test

made

angle

angle

in

the

diamonds
form
the

.002

slide

the

procedure

,

but

stroke

side

still

size

oversize

is

adjusted

ts

with

angle

that wear

arc

of

should
on

contact

approach a straight

line

projected

this

arc

it

may

the

bracket

the

two

clamp

and

turning

wheel

wheel,

past

the

taken

on a

to

is

correct.

is

made

arm

brackets.

have

obtained,

work, but

The

11

( .004

should

just

touch

11

•

The

in

this

position, and

the

As

the

diameter

the

diamond

wheel

work

determine

Adjustment

by

turning

been

the

left

about

wheel

11

on

work

then

the

dresser

above,

11

.001

was

dressed

is

made,

or

.002" on

be

approximately

However,

is

checked

on

diameter.

only .001"

the

it

it

laterally

the

wheel.

be

the

diamonds

is

reached

from

of

the

be

necessary

plate.

screws

two

adjusting

arc

of

the

arms

from

piece

whether

the

adjusted

thread

.005

slide

should

diameter).

be

adjusted

wheel,

hand

the

the wheel

off,

diameter.

.003

can

be

assumed

is

found

to

The

centered

is

when

line

in

the

grinding

This

is

at

the

contact

dresser

are

front

to

and

a

the

of the

adjust-

and

should

11

over-

be

so

then

fed
wheel
wheel

was

so

when

is

re-

The

11

over-

to

be

\a

about

l! a

adjusted to

awav f::-om

The

wheel

and

the

wheel

11

.001

as

would

to

size,

but .0015

locked.

checked

The

The

final

again.
diameter.
error,
it
and

perhaps

can

be

wheel feed hand

The

adjustable

hand wheel

stop

mark.

now

ready

To

grind

essary
the hand
as
will

pointer
cide.
next
again

to

desired

be

ground

and

If

piece

been

wheel,

the

position.

To

dress

to

reset
wheel
wheel
dressing
amount

the

the

up to the

cut

necessary

form.

The

dresser,

acts

as a sizing

will

be

exact

turn

to

bring

the

mark,

slide
is

fed

be

11

wheel

cut

It now

If,

however,

.0001

corrected

should

The

dresser

to

duplicate

subsequent

operate

or

.

If

the

to

exact

the

stop

feed

and

will

be

moved

the

wheel

pointer

amount

dresser,

should

adjusted

device.

duplicates

take

up

the

noted

and

again

hand wheel

toward

required

.002
then

then

11

or

is

is

should

there

11

or

.0002

by

adjusting

wheels

pointer

be

set

the

pieces

the

cross

the

feed

hand

wheel

size

mark

on

retract

to

size

to the

again

on

the

to

be

dressed

be

.001

to

bring

Subsequent

of

backlash,

graduation

locked.

is

then

the

work,

to

bring

,

and

the

hand wheel

re-dressed

taken,

and

be

the

is

still a small

11

on

the

the

accordingly.

on the wheel

to

coincide

and

cross

original

it

work.

is

slide,

and

retract

is

used,

when

the

hand wheel

the

machine

lever

is

when the

extreme

it

is

only

necessary

wheel

slide

off,

and

dress

11

or

.002

the

wheel

as

described

work

the

original.

then

.001

unlocked

not only

the

work

.

the

work

correct

diameter

dresser

slide

with

slide

are

only

nec-

either

lever,

the

work

coin-

used

lever

left

has

stop

hand

bring

it.

The

11

or

back

above,
pieces

re-

11

the

by

the

the

the

to

The

is

noted.

wheel

graduation

The

brought

knob

back

on

the

is

loosened

(dresser

dresser

away

hand wheel

and

the

hand

from

wheel)

it

hand wheel
normal

- 403 -

When a job

should

only

diamond

is

set

up on a

be

necessary

occasionally

wear.

production

to

adjust

to

compensate

the

run,

dresser

for

Wear

larger
the
desirable
the work

than

diameter

to

piece.
approaches
adjusted

toward the wheel.

on the diamonds,

the

required

of the work.

set

the

Therefore

dresser

When the finish ground work

the low

limit

the

leaves

size,

to

dresser

OPERA

the wheel

thus

it

is

the high

TING

reducing

always

limit

of

must

be

INSTRUCTIONS

The

sharp

so

used
blunt diamond

It

may

also

in the

It

monds

form

is

particularly

for

points of the diamonds should be

that

the wheel will

has

deflect

angle and poor

dressing

be

a tendency to

the wheel,

finish

important

resinoid

to

wheels.

cut

glaze

causing

on

use

sharp

freely.

A

the wheel.

an

error

the

work.

dia-

3

4

7

-14 N.C. THREAD

16

to a

WORK

ground

DRIVE - The work spindle

spline

sleeve
a hardened and ground
worm wheel. The

grinder

is

mounted
on a bracket
proper

the

machine
idler

tension on

work

pulley.

drive
base.

drive

at

which

the

motor

Belt

2

Jl

32

which

steel

motor

the

left

is

adjustable

V-belt.

is

at

tension

WORK

is

driven

worm

and a

of the Style

rear

of the machine

to

On

the Style

the

left

is

adjusted

1

-20

4

½

2

SPINDLE

is

through

bronze

maintain

front

TAP

DEEP
HOLES

MOU~TING

fitted

31

31-L

of

the

by an

.=.005

l.352

-

±.

005

1.562

DIMENSIONS

SPI

NOLE

30

80 ijQ

R.P.M.

20 8 8

18

-',00..:i

l.352

±

.005

l.

562

12

I

3

,-

8

½

:J:.005

.781

±.005

.781

MOTOR
MOTOR

N.

C.

TAP

DEEP, 6 HOLES

±

.005

1.562

:J:.005

1.

562

SLOW

FAST

WORK

SPINDLE

DRIVE

4~

64

WORK

speeds

is

motor and

Motor

the

control

front

on the

the

limit

of the two

SPEEDS - A choice of eight work

provided by a

four-step

speeds
panel

of

switch

speeds

are

and by adjustable dogs mounted

the

work

at

each

may be

two-speed

pulleys.

selected

table.

end of the

used

by

These

stroke.

in

either

reversible

switches
dogs

actuate

Either

direction

on

.

- 404 -

WORK

DRIVE

PLUGGING

PULLEY

WORK

MOTOR

ASSEMBLY

SWITCH

DRIVE

PULLEY

OPERATING

INSTRU

C:t:J

NS

Further
belt
as

ported

sets

The
and a locating

mounting
indexing
drawing

The
the
position
The
grinding
ful in
of a

the
end of
To
ened
and

by a

changes may be obt

to

different

shown in the

WORK SPINDLE

at

of

Ex-Cell-O

spindle

the

grooves

left

nose

diagram

-The

end of the

Precision

is

provided

pilot

chucks,

fixtures.

on

page

WORKHEADHORIZONTALADJUSTMENT-

entire

left

work

end

may

center

work

be

wheel.

grinding

work

piece.

Three

flat

position

, the

the

bolts

and' 'V' '

the

work

the

assembly

bolts

tightened

adapters,

Dimensions

404.

head

of

the

selected

can

This

threaded

clamp
ways.

head,

work

moved the

machine

be

head,

MASTER LEAD SCREW -

hardened

and

precision

ained

in

the

four-step

on

previous

work

work

with

diameter

work

are

is

mounted

base

to

suit

varied

in

adjustment

sections

the

work

Two

bolts

and

one

at

these

distance

securely.

Lead

ground

by moving

page.

spindle

table

Ball

Bearings.

tapped

for

accurately

drivers

shown

on

so

the

work

relation

is

most

in

the

head

housing

are

at

the

left

bolts

are

required,

is

generated

master

pulleys

is

sup-

in

holes

in

ways

that

piece.

to

use-

middle

the

right

rear.

loos-

lead

the

two

or

the

at

its

the

to

screw
leads
and nut
on the

STRUCTIONS
assembly,

has
er
vaseline

is
kerosene
before

do

s·~!y

ar e eas~iy

a.

S~e m

le

ft en

A yellow

and

''

This

Master

been

accurately

operation

has

necessary

and

starting

fit

ted in a

obtained

blies. 1

::l

of t

he

tag

containing IMPORTANT

will

be found

should

Lead

fitted

before

been

applied

that

it

then

oiled

the

machine.

bronze

by changing

rie asse

work

spindle.

be

closely

Screw

and

shipment.

be

thoroughly

with a

mbly

attached

and

adjusted

to

prevent

nut.

lead
is

followed:

Nut

A

cleaned

light

spindle

coating

CAUTION: DO NOT ROTATE THE SCREW

IN THE NUT

Whenever a lead
remounted
idle

for

structions

CHANGING MASTER LEAD SCREWS -

install a master

the

work
hexagon
removed. The
placed

in

the
the
are
screw
to be
of
entire

on

alignment.

photo,

nut

support

provided

can

ground, and

shifting

length
production
lead

screw

versed

in

distribution

WHILE CLEANING.

screw

in

the

machine

some

time,

above

the

should

lead

head

bolt

the

is

cover

on

lead

spindle

The

held

the

in

must

left

screw

shaft,

lead

place

bracket.

in

this

bracket

be

properly

to

provide a convenient

the

nut

to

distribute

of

the

runs

on

short

and

nut

assembly

the

mounting to

of

wear

.

assembly

after

cleaning

be

repeated."

screw

and

be

end

of

and

with key

screw

by

four

Two

positioned

lead

screw

length

provide

it

and

nut

assembly,
lifted
the

nut

off

spindle

assembly

and

nut,

as

bolts

sets

of

so

that

for

wear

during

threads. The

may

also

for

Various

screw

mounted

IN-

to

the

new

Assembly

for

prop-

of

rust. It

with

oil

is

to

be

has

been

oiling

and

in-

To

the

shaft

are

key-way

shown

in

through

bolt

holes

the

lead

the

work

means

over

the

long

be

re-

further

WORK

DRIVE

MASTER

LEAD

ASSEMBLY

SCREW,

NUT

WITH

AND

CDVER

NUT

SUPPORT

REMOVED

BRACK

TO

SHOW

ET.

- 405 -

LEAD

the

front

of
as a simple
or

roughed

hand wheel

means

of a

PICK-UP

the

work

method

threads

shifts

gear

the

and

DEVICE - A hand

head

housing

of

matching

to

the

spindle

worm

grinding

previously

shaft

arrangement.

wheelat

is

provided

wheel.

axially

cut

This

by

OPERATING

INSTRUCTIONS

T AILSTOCK -

spring

operated. A lever
withdraws
may

be

locked

large

knurled
adjusts
the
stop
not

A

the

smaller

should

hit

the wheel when work

A

lever

cross
graduations
head and

over

for

lead

accuracy

GRINDING

speed

through

pulleys

9,000

to
from

electric

step

for

surface

The

table

maintain

11

18

Wheel

Diam.

For

18

The

the

center

by the

nut on the

spring

knurled

be

adjusted

clamps

adjustment

is

provided

tailstock.

grinding

slight

is

not

WHEEL

motor

pulleys.

wheel

feet

per

shows

the

proper

diameter

PULLEY

R.P.M.
9,000

Ft.jMin.

1910

tails

tock

center

on top of
from
knurled

right

pressure

nut

acts

so

the

tailstock

with a

for

The

tailstock

tapers

the

end of

that

is

dial

aligning

the

work.

knob on

the

'en

the

center

as a stop.

the

center

being

to

having .0002

can

when

tailstock

The

top.
tailstock

changed.
the

the

extreme

required.

SPINDLE

drives

A

set

speeds

minute

the

correct

wheel

down to

of

13

MARKINGS

- A

the wheel

of five

two-step

either

is

furnished.
pulleys

speed

for

11

diameter.

constant

7,000

OF WHEEL SPINDLE

For

7,000

Ft./Min.

1485

quill

is

quill

The

and

The

does

table.

work

be

set

spindle

or

to

use

wheels

11

on

the

screw

to

remove
shaft.
It
wrench.
put
shaft.

The

is

removed

in

the

The

Care

place.

IMPORTANT -

to

change
out

the

use

the

spindle

raceways.

will

prevent

insure

ed
prevents

satisfactory

When

for

proper

the

smooth

pushes

the

pulley

threaded

disc

from

shoulder

selected

the

of a

bearing

pulley

must

pulleys

hammer

be

rotate

Following

marring

spindle

belt

is

replaced

tension. A belt

spindle

WHEEL

THREADED DISC

TAPER

GRINDING

against

from

the

has

the

pulley with a

screw

and

taken

The

operator

as

described

or

in

the

these

performance.

PULLEY

END

OF

SPINDLE

the

threaded

tapered

right

hand

threads.

spanner

and

disc

are

assembled

that

the

key

is

cautioned

above,

bar.

The

balls

accurately

above

r~ceways

suggestions

and

performance.

it

should

that

is

be

too

disc

spindle

then

to

the

is

in

with-

in

lapped

will

check-

tight

17
16
15
14
13

CHANGING

spindle

put

on

a

hammer

that

may

To
cover
is

removed

screw

This

screw

pulleys

and

taken

or

be

change

and

the
by

shown

has

2040
2150
2290
2450
2640

WHEEL

are

off

the

without any

carried

a wheel
belt

are

turning

in

the

left

hand

PULLEYS -

made

so

shaft

that

without

force

to the

spindle

pulley,

removed.

the

hexagon

accompanying

threads.

1575
1670
1780
1910
2040

The

they

the

being

bearings.

the

belt

The

head

The

wheel

can

be

use

of

exerted

guard

pulley

shoulder

drawing.
shoulder

- 406 -

HELIX ANGLE SETTING -

head

to

the
bolts
in a

curved

spindle

the

spindle

must

support

proper

be

elongated

support

helix

loosened.

bracket,

bracket

angle

Two of

slot

the

and

in

third

To

three

these

the

the

set

the
clamping

bolts

back

is

belt

wheel

are

of

the

between

guard.

The

belt

loosen
screw
until

this

23

the
graduated
The

clamping

The

base.
up to 8 .

This

0 '

adjustable

must

be

extra

standard

The

with the

or

left

hand

the

base

end of the

slope

upward

It should

does

not

before

the

MOUNTING GRINDING WHEELS

IMPORTANT-

checked
on the
a

further

the wheel
diameter
lightly

should have a

some

of

the
with
Some
quired
not

sound

to

assume

or

one

cracked

machine.

To

change

side

of

the

the

eight
spindle
The
the

must
are
prevent

adapter

new wheel

wheel

be

made

the wheel

and

belt

last

clamping

on

top

of

proper

scale

helix

24

bolts

wheel

base

drive

is

For a helix

wheel

drive

substituted.

equipment.

sloping

slope

base

of the

threads.

must

slope

motor.

For

toward
be

determined

interfere

belt

guard

for

cracks

spindle.

check

in

one hand

on one

with a

ringing

question

wheel, a

another

practice

since

that

wheel of the

and

wheels

the

same.

that

a wheel

has

wheel

must

grinding

wheel

screws

guard

holding

. All

is

then

washers

placed

of

at

compressible

center

OPERATING

guard

the

on

are

suitable

with

If no

screw

regarding
comparison

in

each

must

be

bolt.

bracket,
angle
the

motor

This

downward

front

then

angle

motor

must

wheel

For

left

hand

is

indicated

of

tightened.

rests

for

any

greater

mounting

base

be

set

spindle

right

toward

threads

the pulley end of

that

the

running

cover

can

is

The

wheel

before

cracks

be

made

replaced.

it

are

resting

finger,

and tapping
driver
sound. If

the

can

same

experience

of

different

It

is

generally

that

sounds

no

ring,

parts

placed

place

never

wheels

is

first

the

large

should

on

. One

side.

is

cracked.

be

the

the

Wheel

material

from

setting

removed

The

adjusting

is

then

turned

the

bracket.

on a

sloping

helix

than

is

available

to

coincide

for

hand

threads

the

it

the

motor.

the

belt

of the

should

is

mounted

visible

by holding

the

inside

handle.

there

soundness

be

made

type.

will

be

re-

types

safe

dead,

put

on the

cover

removed,

flange of

be

wiped
spindle

washer

washers

which

up

strains

to

on the

angle
8°

an

base

as

right

pulley

must

guard

belt

be

it

It

is

do

A

at

the

then

the

clean.

with
only

helps

INSTRUCTIONS

in the wheel when the
Abs

er:ce of

crack eit
the opel·ati

If ti e w

be

scraped

cause

The
should
wheel
siderable

The
one of

the

cap
drawn

then

tightened

this

one.
working
been

tightened

Now
more,
manner,

They
be

should

hammered

Th

e coolant

clears

hand.

touch

can

two

the

be

clamping
justment
screws

SU:MMARIZED INSTRUCTIONS FOR

TING THE GRINDER

1.

cording

rication

2.

set

to the

washers

her

when

on.
heel

does

out.

it

to

crack.

indentification

be

kept

toward

the

same

dressing.

adapter

the

screw

up.

cap

The

flange
screws
opposite

screw

lightly,

This

procedure

around

the wheel
lightly.

the

screws

working

until

all

be

around

snug

or

the

wheel when

It

should

revolve

nozzle

adjusted

bolts

necessary

that

hold

The

machine

to the

instructions

" .

The

grinding

required

Forcing

way

are
forced

nozzle

or

backward

the

piece.

3.

When the
ing wheel
to

change

spindle

brackets.
wheel
dresser
mond

is

at
brackets

supporting
mond point
ing

wheel.

the

This

rest.

in

The

helix

is

setting

must

arm

contact

diamond

screws

might ca

it

is

being clamped

not

fit

it

marks

the

operator.

each

time

may

tightened

the

next to

and

until

can

be

the

drawn

and

tight,

.

is

the

freely

wheel

at

the

side

can

be

wheel

TOA

should

wheel

helix

angle

changed

of the

be

done while

The

cap

must

be
is rai
with the

point should

should

adjusted

guard

in

screws

sed

are

use

freely

on the

drawn

the

the

hole

adapter

on

the

or

up.

wheel to

during

must

may

wheel

Mounting the

will

save

con-

now be

replaced

and

lightly . Next,

first

one

the

the

one

all

should

first

opposite

be

repeated,

screws

one

have

be

is

tightened a little

wheel

up

wheel

guard.

or

made

in

the

uniformly

but

should

so

is

turned

and

not bind

The

forward

. Any

other

with

same
tight.

not

that

by
or

guard

by the

ad-

the

cap

it

support.

SET-

NEW WORK PIECE

be

lubricated

the

section

spindle

angle

setting

it

may

of

of

be

adjustable

the

in one of

loosened.

to

bring

face

of

should

the

the

necessary

the
be

ac-

"Lub-

be

work

grind-

dresser

grinding

the

The

dia-

the

dia-

grind-

passed

- 407 -

OPERATING

INSTRUCTIONS

across
adjusted
face
be

rect
bracket
adjusted

motor

of the

required
screws

ter
end of

laterally

proximate

head

or

correct

must
depth.

clockwise
the
wheel
added
thread.
should
these

equal
The
the hand wheel
of
sandths

the

face

until

of

the

wheel.

positioned

helix

angle

is

then

in

the

The

4.

5.

6.

lead

7.

8.

left

9.

10.

The

work.

The

markings

an

slope

base

must

grinding

The

work

should not be too

The

machine

screw

the

bronze
until

center

The

centers

center

The

selector

hand

The

table

stroke.

The

pointer

be

set

cross

until

To

that

coincides

twice

Then

be

set

two

figures.

graduation

inch

inch

on

on a

of the wheel

the

diamond

In

this

within one-half

setting.

tightened,

same

of

be

wheel

master

piece

projects

nut.

the

of the

must

run

thread

dogs

to

grind

feed

the

the

graduation

the

required

the

to

the

thousandths

run

equals

the

work

side.

The

way.

the

grinding

set

to coincide with

spindle.

lead

must

should

an

The

grinding

thread

should be

true.

switch

as

required.

must

on the

the

hand wheel

grinding

with the

pointer

mark

numbers

on

from O to

one

diameter

contacts

way

degree

cap

and

the

screw

be

tight.

be

run

equal

work

wheel

clean

must

be

cross

thread

wheel

markon

single

on

that

on

the

hundred

and

the

the

the

bracket

of

the
screw
other

spindle

the

and nut

installed.

until

the

amount

head

is

adjusted

is

at

to

be

ground.

and the

be

set

adjusted

feed

handwheel

to

the

required

should

zero

the

work

100. One

be

lightly

the

marking,

depth

hand

is

the

the

hand wheel

diameter.

thousandths

or

fifty

bracket

entire

will

cor-

in

this

bracket

drive
slope

for

the

The

mas-

at

each

the

ap-

work

for

right

for

the

turned

sparks

hand-

of the

wheel

sum

turn

thou-

is

of

of

Example:

Hand wheel
Single
Twice
Hand wheel

Therefore,

85

graduation

11.

The
amount
started.
in

.005

the

work
thread
will
size.

the hand

necessary

finish

the
until
wheel
setting
for
ground,
setting

lever.
device.

the
diamonds
peated
a

is
the
the
as
broken
diamond
a new
When
new
the
inch,
grinding
ed
placed.

form

show

After

cut.

correct

it

coincides

sleeve.

need

diamond

hand wheel

12.

The

high

dressings,

tendency

13. One of
a whistling

wheel. A dull

wheel.

they

cutting

broken

diamonds

holder

or

for

size

depth
single

depth of

on

wheel

for

the

When the

or

.006 of

piece

on

the

exact

the

wheel

to

remove

When

size,

During

not

wear.

the

feed

grinding

It

is

advisable

limit

size

wear

to

grind

the

sound

Diamonds

whistle

diamond

can

be
surface

or

should

projects

until

wheel.

and

reading

of

depth of

reading

thread

the

pointer

the

hand

should

roughing

wheel

the

should

the

comparator

amount

dresser

should

the

the

pointer

with

the

subsequent

be

disturbed

When a

may

be

or

with

wheel

of

out and

the

the

first

as

or

cracked

should

or

start

must

rotated

in

worn

diamonds

be

approximately

the

diamond

The

work

form

of 5 (which

thread

thread

of .005,

.080,

should be

wheel.

be

fed

cut

has

required

be

checked

the

brackets

be

rotated

the

extra

work

piece

should

markings

work

obtained

the

dresser

to

set

the

work

become

grinding

work

under

signs

the

diamond

diamond

be

to

glaze

be

replaced.

in

the

contact

set

in

point

piece

when

diamonds

is

.040

.080

plus

equals

and

been

except

feed

the

wheel

of a dull

checked

holder

with

are

the

should

.085.

set

in a sufficient

tl}e

grinding

fed in

finished

for

size

chart.

work

is

are

adjusted,

the

amount

stock

is

ground

be

adjusted

on the hand

grinding

to

piece

piece.

dull

is

with the

and

retract

is a sizing

dresser

from

will

size.

diamond

passes

will

as

the

wheel.

A

to

the

replaced,

arms

5/16

touches

be

are

.005)

twice

to

the

with-

size,

and

This

over-

on

the

to

this

adjust

being

size

near

As

the

re-

have

over

glaze

soon

worn

bring

wheel.

the

so

that

of

an

the

check-

re-

A

- 408 -

MAIN"JiENANCE

The

Ex-Cell-O
Thread
a
tervals.

plained in
fluid
of

Grinders

minimum

level

sludge

of

Such

Section

in

the

from

care

EX-CELL-0

Styles

are

maintenance

includes

300),

coolant

the

tank.

31

so

built

maintaining

tank,

STYLES

and

31-L

that

they

care

at

regular

lubrication

and

the

LOCKING

PRECISION

31

Precision

require

in-

(as

ex-

the

proper

removal

THREAD

and

CLEANING THE COOLANT TANK

the

machine

the

coolant

once a

be

of
vary

SCREW

week.

cleaned

time

with

GRINDERS

31-L

is

used

tank

On

once

before

the

the tank

type of

in

continuous

should

tool

room

a month.

work

be

thoroughly
work
However,

should

being

production,

the

tank

the

be

cleaned

done.

-When

cleaned

should

length

will

LEAD

ADJUSTING THE LEAD SCREW NUT -

lead

screw

an

adjustment
should be
macltine,

First,
the nut
two

small

a

little,
tightened
the

nut
When

screw

Care

screws

nut

made

as

follows:

the

together

set

to

allow the

again,

at

the
the

may

be

in

handling

cannot

is

split

at

to

take

up

wear.

while the

three

adjustment.
nut

barely

long

should

screws,

taking

be

be

should

clamping

up the

is

in

proper

turned

and

overemphasized.

the

bottom

This

assembly

screws

loosened.

be

screws

wear

adjustment,

in

the

storing

SPACING

SCREW

The

to

provide

adjustment

is

out of the

which

backed

nut

master

Then

and

locking

by hand.

Store

clamp

just

to

lead

them

the

be

the

SCREW

AND

in the individual

this

tain
other
the
should

machine
especially
the
ly

extended by changing
ly.
screw.
nut
pose.
by

NUT

will

prevent

to

result

material.

machine,

be

put in

SERVICE

is

service

This

distributes

The

has

an

The

turning

the

LIFE

used

large

life

bracket

alternate

wear

the

lead

boxes

if

of

in

which

they

nicks

and

burrs

stored

As

lead

the

on

runs

the

may

on

an

soon

as

it

is

screw

wooden box.

OF LEAD SCREW - If

large

on

lead

the

that

set

screw

and

production

short

screw

its

position

wear

holds

of

holes

be

further

end-for-end.

are

that

open

shelf

removed

nut

thread

will be

occasional-

evenly

the

lead

for

distributed

shipped;

are

cer-

with

from

assembly

the

runs,

this

and

lengths,

great-

over

the

s9rew

pur-

- 501 -

GRINDING SPINDLE SERVICE - It

ommended
service,
Service

the

special

the

experienced

the

work

a

precision

is

given

The

pends

and

skill
places
reason

no

responsibility

ings

not
ment.
own

spindle

information

Ex-Cell-O
interchangeable
parts

race

are

sembled

by

the

and

both of the
number
tion

so

be

opposite

direction,

When new
number
so

they

same

running

WORK SPINDLE SERVICE ­spindle,
to

the
vice.
cleanliness
ning

qualities

ings

and

exceeds

Cell-O

that

the

work

Department.

tools,

the

extraordinary

spindle. A spindle

the

same

service

almost

the

However,

are

markings

Ex-Cell-O

In

Corporation

entirely

of

the

precision

the

Ex-Cell-O

installed

service
is

not.

developed

in

the

outer

and

arrows

that,

in

each

facing

bearings

of

the

can

be

characteristics.

like

the

this

which

are

parts

the

factory

offered:

spindle

old
duplicated

way

for

when

received

mechanic

for

Precision

as a unit,

assembly,

grinding

grinding

be done

In

inspection

mechanics

guarantee

on

ball

for

the

in

its

plants

departments,

Because

in

sets,

in the

on

the
races
etched

other,

the

operator.

are

bearings

Service

the

exact

result

assured.

service

service

assumes

in

this

necessary

care

as

from a spindle

the

care,

who

bearings.

Corporation

performance

own

that

Ball

but

the

they

position

parts.

have a

in a prominent

these

and

read

ordered,

must

exactly,

spindle,

Department

fits

in

satisfactory
The

in

charge.

no

MAINTENANCE

spindle

the

Ex-Cell-O
department
equipment,

to give

required

thus

serviced

a new

installs

service

maintain

inner

The

the

one.

cleanliness

For

assumes

of

depart-

the

following

Bearings

the

individual

and

must

indicated

inner

bearing

numbers

in

the

the

be

specified

and have the

The

should

for

and

absolute

cost

of

field

usually

The

responsibility

is

rec-

needs

or

this

bear

their

outer

be

race

serial

posi-

same

serial

work

be

sent

ser-

run-

bear-

Ex-

are
and

for

de-

re-

-

are

as-

will

for

the

performance

outside

the
first
the
be
the
The
the
from
shaft

The
is
tion.
accurate

indicator
on and checking
pushed

exceeds
that
be

ing

the
two
adjustment.

cap

the

in

should

twelve

are

rates

disturb

of

its

own

To

remove

machine

removed.

spindle
loosened.
spindle

work

spindle

the

assembly

ADJUSTING WORK SPINDLE ALIGNMENT -

work

shipped

However,

The

alignment

the

.000 l 11,

hold

loosened.

are

used

bottom

at

the

When

screws

spindle

CARE

use

should

be wiped

high on

stored

the

the

the

the

body in

Six

body to

table

body,

work

spindle
and

should not

re-alignment

on

the

flat

length

the

spindle
The

to

permits

sides

the

alignment
should
in

position.

OF

GRINDING WHEELS -

be

asmooth,flat

vertically

wheel when

balance.

of

service

work

master

Three

is

head.

should

if

the

the

position

clean

the

hex

the

casting

pushed

and

the

is

aligned

the

setting

is

way

spindle

of

its

six

body

three

vertical

toward

be

tightened

carefully

and

the

in

set

work

department.

spindle

lead

screws

work

table

head

screws

are

to

the

spindle

The

complete

be

shipped

when

require

is

necessary.

checked

that

the
shaft

stroke.

hexagon

to

the

set

screws

the

spindle.

adjustment

the

top

is

satisfactory

stored

stacked

surface.

coolant

use,

will

spindles

assembly

screw

which

casting

then
right,
shaft

for

the

further

is

tampered

by

work

as

the

If

the

head

casting

in

allow

securely

not

oil

which

work

and

which hold

withdrawn

placing
head

cap

this

The

Wheels

flat.

more

serviced

from

nut

are

position

must

removed.
releasing

body

and

service.

machine

atten-

with,

an

slides

table

is

run-out

screws

should

cast-

one

at

and

the

sidewise

the

six

to

lock

not

They

than

If

wheels

satu-

down

and

- 502 -

SE

RVICE - E
highest
Only
men
co mpet
service
equipment
should

to

formati

electric
complete

will be

quali

ty

men

instructed

t should be allowed to make

ent

ser

department

or

be

called.

For

plants

take

care
on

includin

panel

electric

helpful.

lectrical

has

vice man

the Ex

of

having

such

and

•an
circuit

-Cell-O

g a

been used

in the car e of

of the

the

repairs,

elementary diagram

ELECTRICAL MAINTENANCE

equipment

in

this

repairs.

is available,

supplier

Service

specialists

the

following

marked

of a s

picture

tan

dard

MAINTENANCE

of

the

machine.

such

equip-

If

no

the

nearest

of

electrical

Department

available

in-

of

the

of the

machine

GENERAL INFORMATION ­control
To prevent
conta
me
ing

ful

seep

trical
tactors

tacts

coloration

never
tact
when the

equip

cts

nt

should
extra
that

the

into

equipment

operate

are

be

material.

ment

shou

vapo and

the

door

s of the

be

kept

equipment

tapped

the

switch

does

in

silver
or

filed. This

silver

and

slight

pitting.

Replacement

has

closed.
like
holes

compartment.

not

free-fitted

are

merely

worn

The

ld

be kept clean and

dirt

from getti

electrical

Customers

lamps

do

need

not

The

thin.

should

not

permit

oiling;

slides,

harmed

contacts

wastes

is

necessary

electrical

dry.

ng

to the

compart-

mount-

be

care-

oil

to

The

elec-

all

con-

Con-

by

dis-

should

the

con-

only

EQUIPMENT

IN

ELECTRICAL

- 503 -

CABINET

MAINTENANCE

L1

L2

L3

9

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PUSHBUTTON PANEL

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IBJ

[j]

ELECTRICAL

- 604 -

A.

TABLE,

B.

TABLE,

C.

START

D.

HAND

E.

START

F.

STOP

G.

ONE

H.

TABLE

I.

MASTER STOP

DIAGRAM

PUSH

BUTTONS

SLOW-FAST
SLOW

-FAST

WHEEL

OF

THREAD, LEFT-RIGHT

TABLE

TABLE

CUT-CONTINUOUS

, STOP

LEFT-STOP

AND

AND

COOLANT

SWITCHES

PUMP

RIGHT

If

oil

or

it

only
rag.
of

the

and

dry.
come
gizing

are

also

vapor

is

necessary

The

ground

electrical

If

covered

sticky

and

cu:-rent

cleaned

should

to

surfaces

contactors

with

will

fail

is

disconnected.

merely

get

wipe

on

must

oil

to

by

wiping

on

off

the

be

the

open

These

rag.

The

thermal

operation.

heating

melting

wheel
wheel

relay
lines

be
fore

element

the

to

rotate.

is

then

contact

to

the mot

allowed

the

relay

MOTORS ­the

standard

wheel

motor
addition, a motor
one

for

the

are

furnished

unit

does

Continued

raises

alloy

and

The lat

r e

leased, allowing

to

open,

ors.

for

the

melted

is

r e

set.

Three

motors

machine:

and

the
for

refrigerator

when

not

deteriorate

overcurrent

its

temperature,

permitting

ch

engaging

thus

disconnecting

A few

moments

alloy

are

the

work

table
coolant
the

these

pump

suction

type

oil

accessories

to

furnished

ordered.

THE

WORK

the

work

It

is a two-speed,

thermoguard.

a

in

series

for

the
table
guard
the

machine.

reset

table

with

other

motor

opens

when

During

TABLE

and

constant

The

the

contacts

motors.

becomes

the

overload

The

thermoguard

the

motor

continuous

MOTOR

rotates

the

work

torque

thermoguard

on

the

over

If

the

temperature

excessive,

circuit

is

cools.

operation a maximum
approximately 5 reversals a minute
ble.

For

applications
reversing
stand

wheel

THE

a

V-belt.

high

WHEEL

slide.

reversing

THE COOLANT

connected

stops

wit

to

h the

an

It

electric

drives

the

wheel

requiring

motor

action

MOTOR

the

PUMP

coolant

motor

suitable

should

is

wheel

MOTOR

pump.

.

more

mounted

spindle

MAINTENANCE

the

contacts,

with a clean

pole

pieces

kept

clean

surfaces

if

the

with a clean

through

the

the

the

solidify

motor,

motor.

hood

cooling

reciprocates

motor

is

connected

load

the

and

automatically

are

be

is

It

starts

be-

ener

surfaces

from

the

finally
ratchet
ratchet

overload

all

have

to

be -

with

the

In

fan,

and

unit

are

spindle.

with

relays

of

the
thermo­shuts

off

of

possi-

frequent

to

with-

installed.

on

the

through

directly

and

-

THE

SUCTION FAN MOTOR (optfonaD

volt

110

hood. It

THE

is

mounted

coolant

after

the

motor

which

starts

and

drives

stops

REFRIGERATION

with

the

refrigeration

tank.

wheel

It

is

and

controlled

coolant

started.

LIMIT SWITCH LST A

machine

It

reverses

and

is

operated

the

table

motor

stroke.

CYCLE

1.

The

wheel
started
circuit

gizes

er
tween
erating
pressed,

between

the

C.

This
terminals

by

pressing

operating

starter

coil

or

thermoguard

power

motor,
when

the

SELECTOR SWITCH D MUST BE
HAND
THE HAND

•
SCREW.

ing

switch G is

and

This
and 18
CRI

gizes

er
"Slow"

setting

motor
the

gizes

table

failure.

The

suction

if

the

pushbutton C is

2.

Selector

desired

table

OF

THREAD CORRESPONDING WITH

OF

Failure

the

limit

switch

3.

To

run

set

the

table

closes

and

which

the

FW

the

energizes

keeps

opera

and

the

or "Fast"

of

selector

starts

circuit

the

forward

between

operating

reaches

OF

OPERATION

and

coolant

button

terminals

coil

has

an

10

and
energized
until

is

operated,

fan

an

motor

thermostat

depressed.

switches A and B are
motor

THE THREAD

to

do

speed

this

when

the

table

to

the
is

started

circuit

the

the

circuit

ting

coil

operating

contactor

switch

the

terminals 2 and

coil

the

end

of

the

fan

in

with

the

wheel

MOTOR (optional>

by a

pump

is

on

the

by

two

dogs

on

at

the

end of

pump

C.

This

10

and

.11

of

the

magnetic

auxiliary

11

which

until

overload

and

is

will

the

keeps

pushbutton I is

relay

or

until

the

refrigeration

closed,

in

both

SET

ON

result

machine

continuously,

''Continuous''

by

pressing

between

operating

terminals

coil

closed.

of

the

table

motor

coil

of

depending

B.

When

plugging

of

relay

its

CR5.

travel

switch

30

to

is

a

the

suction

motor.

unit

in

the

thermostat

motors

front

the

are

of

the

table.

each

motors

closes

and

are

the

ener-

start-

contact

there

also

its

or

set

be­op-

the

is

start

for

directions.

FOR THE

THE LEAD

in

damag-

is

started.

selector

position

button

This

of

E.

16

relay

ener-

start-

either

the

on

table

the
the

closes

and

ener-

When

the

the

right,

a

- 505 -

limit

switch LSTA

cuit

between

the

circuit

the

starter

starting

between

the
The plugging
terminals

coil

of the

1 and 30 and

of

relay

table

energized.

4.

Pressing

the

table

at

any

of the

buttons

table

is

pressed,

is

terminals

FW and

table

movement

switch
CR4. The

continues

either

time.

motor

is

operated,

18

18

and 20.

closes

closes

energizes.the

reciprocal

as

pushbutton E

If

the

closing the

and 21, and opening

This

drops

the

starter

from

right

the

circuit

operating

movement

long

as

relay

or I stops

direction

of

forward when one of

the

starter

FW

drops

MAINTENANCE

and

cir-

out

REV,

to

left.

between

CRl

is

rotation

these

out,

the
contact on
This

applies
opposite
reaches
table

motor

5.

stop,

the

and the

pushbutton E
the

table

operated.

stop

a

Left"

. Setting

again
moves
operated.

starter

relay

direction.

zero,

is

If

the

table

selector

switch

is

to

the

The

starts

to

the

REV

is

energized

CR5 and

power to the

When the

the

plugging switch opens and

the

table

table

plugging

motor

de-energized.

is

to make one

switch G is

H to "Stop

pressed

right

until

table

left

the

the

until

motor

selector

table

Right".

the

limit

set

table

the

limit

is

then

switch

motor

switch

pass

to ' 'One

motor

and the

through

switch.

in the

motor

speed

and then

Cut'',

Then when

moves

switch

plugged to

H to

"Stop

table

LST A

the

the

is

is

- 506 -

DRESSERS,

ATTACHMENTS,

AND

EQUIPMENT

EX-CELL-0

CRADLE-TYPE

DRESSER UNIT, CRADLE

dresser

29°

threads.

held

in

to

brackets

form

angle.

this

adjustment.

ing

the

of

the

the

base

to

the

norm~l

DRESSER

is

available

pivoting

which

Graduations

pivoting

thread.

support

work

or,

to

the

The

arms.

The

arms

The

for

as

helix

UNIT

for

two

are

wheelis

across

dresser

dressing

required

angle

SHOWN

dressing

The

adjustable

on

either

arms

the

dressed

it

may

the

in

of the

FROM

bracket

to

worm

PRECISION

STYLES

WHEEL

-TYPE -This
600

threads

diamonds

are

assembled

for

the

simplify

by

form

the

be

pivoted

wheel

grinding,

thread.

31

SIDE

or

are

thread

pass-

sides

in

normal

THREAD

and

WHEEL THINNING ATTACHMENT -

attachment

to

suit
longs
reducing
is

the

less

GRINDERS

31-L

TABLE-TYPE

is

used

the

individual

service

the

amount

diamond

wear

DRESSING

to

thin

thread

life

of

they

must

fewer

ATTACHMENT

the

grinding

form.

dresser

cut.

replacements

This

wheel

This

pro-

diamonds

Since

there

by

are

DRESSING ATTACHMENT FOR MOUNTING

ON WORK

This

attachment

the

flat
thread.
machine.
is

pushed

operation.

the

hold

This

either

TABLE

on

the

It

clamps

The

toward

An

work

size.

attachment

the

plate-type

- (Photo

utilizes

wheel

to

diamond

the wheel

adjustable

is

or

one

to

form

the

work

is

held

stop

used

in

cradle-type

at

right

diamond

the

root

table

in a

slide

for

the

is

provided

conjunction

unit.

above).

to

dress
of

the

of the

which

dressing

to

with

dresser

- 601 -

WHEEL

THINNING

ATTACHMENT

DRESSERS,

ATTACHMENTS,

AND

EQUIPMENT

necessary.
diamond
pensation.
which

are

dresser

tachment.

When a

shoulder

Also

adjustments

Another

no

longer

may

be

used

thread

the

form

less

time

is

consumed

and

for

work

advantage

suitable

is

that

for

in the wheel thinning

must

on the wheel

be

ground

is

dressed

size

com-

diamonds

use

in

close

for

the
at-

to a

off

center

and

equalizes

Either

The

dressing

for

accurate

base

which

et

that

can

The

depth

manually

the

clamps

be

of

with

BACKOFF ATTACHMENT

and 6 flutes
unless

angles
backed

otherwise

The

backoff

of

off by

7°.

links.

LUBRICATION OF BACKOFF ATTACH-

MENT - Two dot
shaft

bearings
machine
able
verse
machine

oil.

connecting

shaft

oil.

the

excess

wear

side

of

diamond

movement.

to the

adjusted

the

wheel thinning

the

wheel

are

furnished

specified.

attachment

Helix

the

oilers

must

The

rod

also

require

width

on

dresser

the

wheel

is

held in a pivoting

The

table

ways

to

suit

the

feed

with

may
angles
use

of

from
an

located

be

lubricated

ball

sockets

at

the

right

daily

removed.

diamonds.

may

be

attachment

and a brack-

wheel

cut

diameter.

is

controlled

control.

the

attachment

be

used

7o

to

15°

extra

set

in

the

transverse

daily with

of

the

end of the

lubrication

This

thinned.

arm

has

to

helix

can

be

of drag

adjust-

trans-

with

a

The
centric
ward
taps

and

tained

cams
This
behind
the

eccentric

spindle

BACKOFF

backoff

spindle

and away

chasers.

mechanism
sleeve,
from

The

through a lever

mounted

follower

the

oscillates

work

on

table

sleeve

Three

cams

ATTACHMENT

oscillates

moving

the

work

backoff

engaging one of

the

work

a

transverse

which

is

mounting of

of

standard

the

spindle

for

backing

motion

spindle

connected

the

rise

the

ec-

to-

off

is

ob-

three

sleeve.

shaft

wheel

for

3,

to

4

- 602 -

R'

EAR

VIEW

BACKOFF

CAM

ATTACHMENT

FOLLOWER

SHOW!

ARM

NG

CAMS

AND

DRESSERS,

ATTACHMENTS,

AND

EQUIPMENT

SETTING

The

work

head
work
lower
shaft

face

engaged with
engagement
dresser
stops.
cap
tightened.
sleeve
bracket
which

The

ly
cap

piece

should

so

of

screw

are

locking

with a

screws.

The
grinding
from

the

engages

position

that

the

desired

slide

With

is

unclamped

cover

located

set

backoff

wheel
work.
the

can

THE

BACKOFF

must

first

to

be

ground.

be

positioned

the

follower

cam.

the

cam

lever

the ·cam

in

The

clamp

be

(located

handwheel>

follower

the

lever

grinding

by

and

loosening

at

the

top

should

screw,

low

found by jogging

located

movement

is

at

At

this

position

be

positioned

Then

on

is

The

by

turning

at

to

should

spindle

removing

the
left
be

starts

the

maximum

time

on

ATTACHMENT

for

the

the

cam

fol-

the

transverse

in

line

with

the

cam

follower

the

backoff

the

left

of

the

the

left

until

in

position, the

be

securely

eccentric

the

spindle

two

cap

screws

of

the

assembly

expanded

between

the

cam

the

the

work

slight-

the

two

when

distance
follower

cam. This

spindle.

start,

­drive

relation

is

dog
position
piece

it

by

sleeve

verse

.

TACHMENT -

backoff,
by

it

the

sleeve
This
cover,
the
spindle

is

toward

dog

is

Inasmuch

to

can

be

that

.

The

amount

adjusting

ball

shaft.

DISCONNECTING THE BACKOFF

the

turning

engages

should

is

done by

loosening

two

screws

bracket

the

then

as

the

square

put

on

was

of

the

linkage

knob

in

For

backoff

the

disengaging

the

positive

be

removing

cover

grinding

tightened.

the

flutes

shanks,

subsequent

found

backoff

the

locked

the

in

suitable

connecting

slotted

regular

attachment

lever

stop. The

in

set

screw,

the

clamping

should

wheel.

of

pieces

is

easily

arm

grinding

the

the

be

taps

are

the

work

in

for

the

on

is

disengaged

to

the

oscillating

upper

spindle

and

replaced.

controlled

the

tightening

ring.

The work

held

in

drive

the

same

the

first

eccentric

trans-

AT-

without

left

until

position

bracket

The

.

With
wheel
is

put

should
part
point

the

and

between

be

is

rotated

from

HEADSTOCK

maximum

the

work

centers.

on

the

which

CENTER

OH

THE

thus

part,

but

until

the

the

backoff

GRINDING

MACHI

NE

distance

established

The

not

cutting

between

work

tightened.

edge,

movement

ATTACHMENT

TABLE

WAYS.

the

part

drive

dog

The

or

is

MOUNTS

the

the

to

DRESSING

TACHMENT -

same

position

to

disengage

the

disengaging

tion.

HEADSTOCK

TACHMENT -Headstock
kept

smooth

clamps
slide
ways
slide
by
in a bracket

motor
actuated
wheel

ment

angle
10,000
through a V-belt.

•

justable

on

is

by two

is

means

The

are

across

is

rpm

held

grinding

so

is

to

WHEEL

To

for

each

the

backoff
lever

and

true

the

ways

firmly

hold

down

moved

of a

by a hand

toward

hexagon

that

is

spindle

mounted

the

headstock
designed
assured.

motor

maintain

have

dressing,

is

CENTER

with

of

the

but

bolts

head

held

rigidly

on a

crank

that

A
drives
The

proper

WITH

the

mechanism.

placed

not

the

and

grinding

motor

BACKOFF

wheel

in

GRINDING

centers
this

attachment.

machine

rigidly

with'

'T'' nuts.

headstock

feed

screw

to

the

the

dovetail

to

pass

center.

quarter

the

grinding

mounting

belt

spindle

it

electric

at

tension.

AT-

in

the

is

necessary

To

do

this,

the

top

posi-

AT-

are

easily

table. A feed

to

the

table

This

center

retained

table

ways.

drive

slide

that

the

grinding

The

attach-

the

correct

horsepower,

spindle

is

ad-

It

is

- 603 -

DRESSERS,

ATTACHMENTS,

AND

EQUIPMENT

The

3/8"

wide.

ameter

The

of 2

wheel
projects
operation,
The

diamond

by a

set

by a

locking

tool

holder

dressing

the

diamond.

An

oil

spindle
should

be

SUCTION

ment

of

Grinder

The

hood

tura

fan and
vapor
by high

accumulations

operating

grinding

from

and

screw,

It

11

•

tool

may

is

dressed

the

is

is

and

wheel

slide

be

withdrawn

positioned
held

screw. A knurled

in

position

is

done by

cup

is

provided

bearings.

A good

used.

HOOD -To

coolant

may

vapor

be equipped with a

has

an

an

oil

reclaiming

speeds

is

used

by a

support

in

in

the

passing

the

inbuilt

around

of

11

3

in

diameter

to a minimum

diamond

for
during
in

the

adjusted

screw

slide

tool which

the

grinding.

the

tool

locks

support.

the wheel

to

lubricate

grade

prevent

of

spindle

the

Ex-Cell-O

vapor

motor-driven

filter.

the

the

It

prevents

machine

grinding

and

di-

dressing

holder

position

the

The

across

the

oil

diffuse-

Thread

hood.

ven-

caused

wheel.

The

fan

is

driven

rpm

back

electric

to

1725
at

the

wheel.

REFRIGERATOR
UNIT - A
available
mits

tolerances,

The

unit
trolled
the

coolant

an

independent

the

thread

are

obtained
large
line.
mometer.

refrigerator

as

the

maintaining

is

3/4

grinder.

size

The

unit

extra

especially

driven

hp

motor

with

flexible

See photo

GRINDING WHEEL

A

balanced

ing

finish.

tates

complete

balancing

the

wheel

The
balancing
with
arbor.

by a

motor.

facilitate

standard

by a

electric

and

unit

placed
The

plugs

hose

is

furnished

on

is

necessary

stand

operation.

two

inbuilt

single

changing

TYPE

type

The

phase

hood

the

1/20

is

grinding

OIL COOLING

oil

cooling

equipment.

of

closer

on long

overall

work

pieces.

thermostatically

motor.

coolant

electrical

and

connects

page

BALANCING STAND -

shown

Together

tank,

outside

receptacles.

complete

605.

for

a good

on

page

It

is

liquid

levels

it

the

base

connections

the

with

605

furnished

hp,

hinged

unit

is

It

per-

lead

con-

with

forms

of

supply

ther-

grind-

facili-

and

A

a

STYLE

31

THREAD

GRINDE

,R

EQUIPPED

- 604 -

WITH

SUCTION

HOOD

DRESSERS,

ATTACHMENTS,

AND

EQUIPMENT

REFRIGERATOR

The

stand
screws.
the wheel
on the

stand. Then
positioned
balance

The

is

BENCH

bench
operator
and

adjust

piece

first

while

To

set

picked
grinder,
position.
drawn
the

is

the

fixture

positioned

is

The

balancing

adapter

in

the

obtained.

TYPE

type

to

match

the

work

another

the

fixture

up

and

the

Then

, with the

work

and

until

TYPE

O'IL

leveled

by

means

arbor

and

the

assembly

two

balancing

adapter

LEAD

lead

the

pick-up

groove

PICK-UP

thread

driving

piece

to

is

new

approximately

work

driving

indicator

is

put

between

the

indicator

the

pick-up

COOLING

of

is

inserted

weights
until

fixture

on

pre-cut

dog

to

being

ground.

work,

on the

dog

the

support

finger

UNIT

adjusting

into

is

placed

are

static

FIXTURE

allows

the

wo:rk

one

work

the

lead

thread

set

at

this

slide

with-

centers

bracket

properly

-

is

of

GRINDING

contacts

dicator

the

slide
diameter.
screw
dial

on

turned

the

position.

With
sequent
first
the

indicator
One

the

fixture

Extra

the

pieces

when, with the dog

lead

for

interchangeable

thread.

provides

For

the

indicator

until

fixture

will be

shows

pick-up

the

'HHEEL

fine

the

set

zero.

finger

thread

BALANCING

A

screw

adjustment

adjustment,

is

loo

sened

pointer

is

up in

exact

resting

duplicates

against

is

form

and

fingers

STAND

under

the

to the

the thumb

,.

and

at

the

this

way

the

furnished

lead

desired.

are

available.

in-

work

the

zero

sub-

of the

stop,

with

BENCH

TYPE

LEAD

- 605 -

PICK-UP

FIXTURE

DRESSERS,

ATTACHMENTS,

AND

EQUIPMENT

Individual
forms

inch: 4

290
quired
4-1/2; 5 and
threads

Two

sizes

3

6

EX-CELL-0

CENTE:Ei
tolerance
that

the

and

that

on

headstock

from

centers

fingers

for

the following

to

7 ;7

Acme

threads

for

1-1/2;2;2-1/2and

per

sizes

as

follows:

11

maximum

11

maximum

machining

female

the

heat

treating

must

are

required

ranges

to

13;

13

to

26

individual

5-1/2;

6 and

7;

inch .

of

fixtures

diameter
diameter,

STYLE n CENTER

are

, 8

18

LAPPING MACHINE - On

operations

work

centers

center

and

tailstock

be

corrected.

angles

and

conform

centers.

inaccuracies

be conditioned quickly on the

sion

Center

Standard

are

used.
spindle
correct
way

during

Lapping Machine.

abrasive

A diamond

bracket

angle.

conditions

The

dresser

lapping.

stones

dresser

with

60°

thread

of

threads

;and

26

to

40.

fingers

are

3;3-1/2and4;

8 and

available

11

11

9;

10 and 12

for

maximum length,

maximum

LAPPING

length.

MACHINE

close

it

is

necessary

be

in

line,

be round

to

the

angles

Distortions

of

rough

Work

Ex-Cell-O

and

centers

pencil

Preci-

wheels

mounted on the

the

stone

is

swung out of

at

per

For

re-

work

can

the

the

A wide

can

be conditioned on
rest
position

EXTRA STANDARD EQUIPMENT -

addition
described

equipment can be

Dressing

with a

on the

to

Attachment

range

male

the

on

the

of

work

this

center

vertical

ways

attachments

previous

furnished:

for

diameters

machine.

is

adjustable

of the column.

illustrated

pages,

Mounting Between

Centers

For

use

to

dress

Dresser

.C.

D

Diamonds

Wheel Spindle
Consisting
one

rheostat

D

.C.

Motor

2

Kilo-watt,for

Drag

Links

For

helix
Backoff
Long

Table

11

36

Cams

capacity

Adjustable

For

helix

in conjunction with
flat

on wheel

Drive

of D .C.

Generator

and

motor,

field

Set

plantswithoutD.C.current.

for

Backoff

angles

Attachment

from

(Style 31 Machine Only)

between

Wheel

Drive

angles

up

to

regular

to

form

magnetic

failure

7o to 150.

centers.

Motor Mounting

15°.

Quick-Clamp Type Index Head

For

double,
Lead

Pick-up

For

thread

Headstock

Tool

Tailstock

High

tomer's

External

Without wheel

Wheel

Adapter

Complete with

Work

Lead

Driving

For

diameter

Screw

English

Spacer

To

Bushing

use

assemblies

Steel.
speed

Wheel Spindle

triple

Fingers

form

Centers

Centers

steel

selection.

adapter

balancing

Dog

selected.

and Nut

or

Metric.

the Style· 31

in

the Style

and

quadruple

as

selected.

or

carbide

and

weights.

Assemblies

lead

31-L

tipped

pulleys.

screw

ers.

Extra

Grinding

Wheels,

Parts

and

and

lengths

The

work

to

the

following

dresser,

root

of

thread.

starter,

relay.

Base.

indexing.

at

cus-

and

thread

grind-

Assemblies.

any

In

and

nut

- 606 -

•

THREAD

GRINDING

AND

GRINDING

WHEELS

THREAD

Good
use

the

depends

grinding.

contrary
perienced
familiarize

grinding.

wheels

according

the

resinoid

and

used

grades,

structure,
threads
and
form

imately

for

surface

GRINDING

thread grinding

of:

correct

the
suitable

maintenance

face s

For

some
on:

Thread

to what

in

GRINDING WHEELS -

are

to the bonding

abrasive.

and

The

RESINOID wheel

stands

in

production

is

The

VITRIFIED

since

follow

A WHEEL SURFACE

resinoid

lead

threads

9,000

feet

peeds,
proper
correct

work good

work

work
steady

material.

grinding

The

results

is

other

themselves

divided

The

vitrified.

a good

sometimes

is

generally

it

has

error.

and

feet
wheels
per

EX-CELL-0

AND

GRINDING

depends

thread grinding

coolant,

of wheel and

dressing,

depth of

thread

centers,
drive

dogs,

rest, and

differs

expect

kinds of

generally

two

deal

wheel,

precision

per

minute

from

obtained

ed.

with the

material

types

is

of

abuse. It

work,

used

because

used

less

It

is

minute

and

approximately
for

PRECISION

STYLES

WHEELS

primarily

work

and

grinding

grinding,

Thread

tough,

and

on

to
tendency to
also

work

SPEED

is

vitrified

cuts.

grinding

other

are

at

Operators,

do well to

rules

of

into two

used

of

wheels

fast

is

generally

in

the

precision

of

its

grind

used

for

in

general.

of

recommended

on

wheel,

sur

-

also

kinds

grinding

of

times

ex-

thread

groups
to hold

are

cutting

softer
work.

stiffer

pre-cut

deflect

radius

approx-

7,000

wheels.

THREAD

31

and

The
the
should

should
speed
grinding

is

grain

fine.

and cut
Therefore
sirable.

by the width of the

by the
work

into two

of

of

relation

excessively.

low
will

particles

they

ameter

changed

maintained.

by the

hit

the

31-L

test

testing

be
never

should

A

diagram

at

the end of

THE GRIT SIZE

in the wheel .

Coarse

the

hardness

piece.

WORK SPEEDS -

1. Heavy

18

to

2.

Light

100

to

If

the work

in

relation

become
become

As

the

to

The

diagram

COOLANT
the wheel
work.

GRINDERS

tag

attached

speed

consulted.

be

exceeded.

be

maintained

wheel

established

100

to the

so

selection

speed

showing
this

grit

metal

the

use

However

cuts

inches

cuts

300

inches

wheel

If

glazed.

loosen

worn.

work

is

another

that

the

at

-The

at

The

coolant

surface

the
to the wheel

and

the

to

and

the

safe

The

as

the

wheel

section.

is

the

Sizes

wheels

faster

of

root

and

at

at

changed

the

proper

of

the end of

than fine

coarse

the

coarseness

on

cutting

Thread

methods:

low

per

minute.

high

per

minute.
speed

speed,

work

At

the

fall

out of the wheel when

work

surface

work

stream
point

must

each

wheel showing

operating

safe

operating

The

wheel

by

increasing

wheel

size

range

hold the

the

work

work

the wheel will

surface

from

speed

speeds

of coolant

where

wears

surface

of the

from

form

grit

gI_"it

wheels

thread

qualities

grinding

surface

surface

is

too high in

speed

speed,

correct

one
also

speed

is

this

section.

it

is

flow

in

is

thread

facilitated

speed
speed

surface

the

down.

speeds

abrasive

coarse

form

is

the wheel
speed

should

oil

grinding

sufficient

to

better

wheels.

is

de-

limited

also

of the

divided

speed

speeds

wear

is

too

the

di -

be

may

be

must

- 701 -

THREAD

GRINDING

AND

GRINDING

WHEELS

volume.
never
applied

An

harmful

coolant

excessive

but

trouble.

The

main

purpose

heat

as

it

is

generated

the

wheel and

the

point of

tected

from

DRESSING

thread

grinding

emphasize
intervals.
on

the

performance

the

limits
especially
desired
do not
become
to

become

on

loosen

worn.

excessive
restore

be

ticles

the

dressedat

exposed

ing undue

The

amount

be

as

little
wheel
feed

diameter

should

While
opened
the

slightly. A small

diamonds
Overheating
loose

in

The

the

the

wheel

severe

AND

the

necessity

The

frequency

required

the

accuracy

the

work

and

Such

glazed,

heat.

thread

suitable

will

heat.

dressed

as

necessary;

is

not

exceed

dressing,

clean

might

the

holders.

diamonds

condition. A dull

cutting
ing of
a
distribute
Sharp

sound.
pitched

sharp

surface

the

diamond

edge

into

wear

diamonds

Dull

diamonds

tone .

amount

insufficient

is

frequently

of

coolant

at

work.

The

especially

heat

accumulations.

the

of

and

the

is

to

contact

thin

section

must

coolant

incorrectly

cause

dissipate

between

be

DRESSING DIAMONDS - In

it

is

fall

will

To

form,

cut

hardly

of

on the

piece.

out of the

particles

rub

remove

intervals.

of

dressing

of

the

grinding

of

the

the

grinding

clean

off of

possible

dressing

work

the

All

wheel

wheel

cause

work

such

and

the

to

at

frequent

depends
wheel and
piece

thread

particles

when

the wheel

and

generate

particles

wheel

The

new

without

wheel

a depth of .001" on

usually

the

cause

must

diamond

on

the

tool

contact

and

cut

.001"

coolant

flow of

and

prevents

be

wheel.

in

increase

quietly

produce

sufficient.

per

revolution.

valve

coolant

overheating.

diamonds

sharp

will

produce a dull

Frequent

the

holder

with

the
diamond

with a low

a loud, high

Dressing

should

to

become

and

in good

to

wheel

is

of

near
pro-

over-

and

form

they

and

must

par-

caus-

should

the

be

keeps

turn

bring

will

life.

pitched

requires
firm
rigidly

marks.

or

amount
fracture

These
white
very
able

of

roughing

depends

requirements

roughing

generally
of .0015"
for

less
Otherwise
ency

not
from

-

be

more

are

Diamonds

firm

clamping

the

finish

Diamonds

if

the

setting

A

small

of

than a larger

For

dressing,

diamonds

diamonds

brittle.

for

dressing

DEPTH

and

upon

The

approximate
cut

When two

advisable

to a maximum

the

last

During

than

continuous

.0008" on

most

to

load

It

is

usually

exceeding

solid

unthreaded

10

pitch,

12

pitch,

13

pitch,

16

pitch,

Threads

economically

rough

threaded

must

be

supported

setting

of the

must

is

diamond

heat

of

diamond.

on

the

work

be

reset

accidentally

will

and

is

one.

brown

are

very

usually

For

this

reason

purposes.

OF

GRINDING CUTS -

finishing

the

material,

of the

cuts

job.

depth of

is

from

.020

or

more

to

take

finish

cut.

grinding

diameter

of

the

wheels

and will

produce a coarse

advantageous

three

inches

blanks

up to 7
up

to

/8"

1"

up to 2"
up

to

3-1/2"

coarser

than

produced

previous

firmly. This

the

diamond

If

will

if

worn

not

absorb a large

much

more

diamonds

tough.

used

in

they

that

nature

11

to .040

cuts

are

only

from a minimum

point

not

supported

show

excessively

ground

likely

are

The

jewelry

are

The

are

necessary

and

precision

the

ordinary

11

•

taken

chatter

away.

unsuit-

number

of .004" depth of

no

finish
should
will

be

have a

finish.

to

grind

threads

in

length

productively

as

coarse

diameter

diameter

diameter

diameter

10

pitch

can

usually

when

the

to

hardening.

and

to'

used.

bluish

are

it

is

cut

cut

of

taken.

tend-

as:

blanks

Additional

are

made

attachment

ning
section

possible

of

this

dressing

by

which

book.

diamond

the

use

is

described

economies

of the wheel

in

the

thin

"600"

- 702 -

-

On

(on a

side)
having a
have

to

most

can

greater

be

taken.

jobs a cut

be

taken

depth,

of .020"

in one

pass.

more

to

than

.040

On

one

11

deep
threads
cut

will

In

some
advisable,
extreme

are

r e

When

even

accuracy

quired.

grinding

example, a 20

11

) , a

usually

grinding

.040

advisable,

speed

finish

be

to

96"

On

large

in

separate

of a

coarser

work

be

11

where

cut

taken

per

production
to
it

.032

can

In
over
always
to

.040 deep)
surface
the

usually

11

72

is

difficult
conditions
grind
use

cases,

on

the

in

to
pitch
surface

used.

deeper

more

the

can

usually

from

36

(from

with a

minute.

grind

is

due

economical

operations.

wheel

THREAD

two

or

shallow

lead,

finish

thread

speed

threads

than

roughing

11

to

.0015

work

especially

to

for

GRINDING

even

more

threads,

diameter,

size

in

(having a

from

having a depth

one

cuts

be

taken

48"

per

fl

to

.004

surface

severe

to

rough

This

the

rough

and

one

18

cut

is

(from

at a work

minute,

11

deep)

speed

of

work

machinability

and

allows _the

operation.

BALANCING GRINDING WHEELS - A good
grinding
balanced
during

may
wheel
area

order

finish

wheel.

use.

be

located

is

new.

is

worn

to

compensate

The

away

can

Wheels

out

of

close

to

As

soon
rebalancing

for

only

be

may

balance

the

periphery,

as

the

obtained

get

out of

area

the

out
is

changed

of

the

of

required

conditions.

cuts

are

where

finish

cut,

for

depth

11

to

of

24

nearly

.020

while

can

from

which

finish

grinding

with a

balance

wheel

when

the

balance

AND

fl

in

GRINDING

WHEELS

LONG, THIN, PRECISION THREADED

The

PARTS -

wheel

are

speeds,

good

ceptions

such

as

lead

ly

close

limits.

such

as

maintaining
atures
it
speeds.

and

is

desirable

These
tageously
ing

speed.
same
depth

relation.

of
production
work
higher

by

speeds.

WORK

and

eccentrically

the

work

1 .

2.

3 .

4.

The

first

tained

conveniently

Lapping

sable
ground

equipment

steel

previous
work

for

most

are

long,

thin

and

feed

After

providing

to

reduce

speeds

to

as

low

as

Both

speeds

Experience

cuts

may

otherwise

the

use

of

CENTERS -To

ground

piece

be

in
have
and
be
be

well

clean

must:

line

the

headstock

lubricated.

three

Machine.

for

parts.

recommendations

speeds,

of

the

work.

precision

screws

the

the

requiring

all

precautions

coolant

necessary

wheel

have

been

50%

ofthe

must

be

taken

obtainable

the

necessary

prevent

work

with

each

same

angles

centers,

and

requirements
on

the

Ex-Cell-O

This

machine

hardened

and

The

threaded

at

room

steady

and

work
reduced
normal

be

reduced

has

which

on

the

other,

as

centered

depth

extreme-

are

proved

double

this

light

out of

centers

the

may

is

indispen-

for

of

cut

only

ex-

parts

taken,

temper-

rests,

surface

advan-

operat-

in

the

that

the

type

of

cuts

at

round

in

tailstock

be

ob-

Center

and

The

adapters

thread

grinding
mounted
balancing
purpose
adapter
After

the
suitable
the

two

the

light

is

found

prevent

Balancing
balancing
and

described

of

this

book.

balancing

quickly

the

grinding

is

removed

adapter

arbor

and a pair

balancing

side.

After

the

weights

slipping

equipment

wheels

in

used

on

wheels

weights.

and

from

with

weights

the

during

used

the

attachment

all

Ex-Cell-O

have

two

These

conveniently.

wheel

the

are

the

wheel
of

are

most

locked

together

grinding

is

horizontal

shifted

suitable

grinding.

in

made

this

especially

machine

section

externa

adjustably

weights

For

with

spindle.

placed

toward

position

securely

is

allow

this

the

on a

strips,

to

for
shown
"600

- 703 -

l

11

WORK DRIVE DOGS

fastened

ment

driving

ing

of

and

with

forces

the

must

the

work

work

exerted

piece.

Furthermore,

monly
work
without
end

ground
ed
of

used

drive

being

play.

STEADY

accurately

and

cannot

the

grinding

on

dog

forced

REST

be

thread

must

wheel

be

in

perpendicular

driver.

will

for

two way

grinding

slide

and

- A

long

only if

it

deflected

or

by

must

affect

grinding

freely

with a

work

is

properly

either

its

be

otherwise

the

position-

machines,
into

the

minimum

piece

by

the

own

weight.

securely

engage-

the

as

com-

the

driver

of

may

be

support-

action

THREAD

GRINDING

AND

GRINDING

WHEELS

MATERIAL -

as

required

justing
stay
do not

nickel,
Steels

a new
be
work
most
elude
materials.

wheel should not be
to

work in
turers'

speed

screws,

in

place

creep

tungsten

containing

If

difficulties

test

piece

processed

piece.

desirable
seasoning

GRINDING SUGGESTIONS - The

less

than 12"

The

proper

accordance

recommendations

The

wheel should

to

suit

For

high

on

micrometer

materials

after

the machining

. Carbon

and molybdenum

vanadium

of

this

from a different

and

compared

Such a

the wheel

test

heat

treatment

a!ter

rough

used

diameter.

wheel

should

with the wheel

operate

diameter.

precision

and

must

alloy

are

kind

piece

after

.

limits

instrument

be

selected

operation

steels

are

with the

grinding

it

be

containing

are

desirable.

undesirable.

encountered,

material

should

which may in -

for

has

worn

selected

manufac-

at

the

such

ad-

that

and

should

original

have

the

some

grinding

down

for

the

correct

or a somewhat
the

pores

freely.

burning,
should

Of

course

because

a

lighter

expedient

procured.

B.

Unsatisfactory

objectionable,
duced.

feed

especially

too heavy a cut
finishing

of the wheel and

Reduction

but

failing

again

be

A

lighter

this

more

Diamond

This

or

lighter

Surface

passes

cut

should

until a more

is

on

the

roughness

pass.

heavier

in

work

to

restored.

cut

will

is

at

the

be

Finish:

lines

they

can

done by

cut

when

final

or

too

dressing

speed

do

so,

the

always

expense

are

required.

used

only

suitable

are

evenly

be

eliminated

using a slowerdiamond

dressing

pass.

is

high a work

cut

to

make

usually

it

cut

may

eliminate

original

reduce

as a temporary

burning,

of

production

Therefore

wheel

spaced.

the

caused

speed

more

speed

can

or

wheel,

open

be

If

re-

by

on

The

proper

Grinding

be

taken.

The

coolant

of the

and

operate

grinding,

in the

CORRECTING UNSATISFACTORY GRINDING

A. Burning:

contact
and

eliminated

highest

Suitable

work

with

only a few

coolant

An

ample

area

the

work.

In

rough

work

cuts

of

recommended

tank should

baffle with

wheels

speeds

very

stream.

formed

by

used

with a

little

amount of

grinding

using a coarser

speed

sparks

by the point of

should

be

the

at

the

suitable

heat

generated.
should

coolant

much

filled

proper

correct

burning

dressing

be

selected.

depth

should

to the top

coolant.

coolant

be

visible

must

hit

the

can

wheel

will

When

wheel

feed

the

be

Erratic
grinding
the

coolant
THREAD GRINDING WHEEL

MENDATIONS ­perform
the

types

mended.
work

do

the

list

indicates.
speeds
use

for a wider

it
sentative

bond

and

any one of

On

long

is

advisable

In the following

is

indicated
(Res
(ViU

scratches

oil.

It

can

tank.

The

wheels

satisfactorily

of

metal

Plants

not

need

the

range

production

of

the

.)

for

for

that

to

By changing wheel

depth of

the

wheels

of

to

consult

wheel

as

for

Resinoid

Vitrified

can

be

eliminated

for

which they

do a

stock

cut,

with

pitches

runs,

manufacturer.

list

of

follows:

be

caused

listed

the

pitches

variety

as

many

it

is

fairly

and

materials.

for

the

nearest

wheels,

by

dirty

by cleaning

RECOM-

will

generally

and

are

recom-

of

small

wheels

and

work

possible

good

results

best

results,

repre-

the

type

on

lot

as

to

of

- 704 -

THREAD

GRINDING AND GRINDING

WHEELS

WHEELS

AMERICAN NATIONAL FORM THREADS

TOOL

AND

HIGH

SPEED

FOR

STEELS,

GRINDING

hardened

COMMERCIAL THREADS
Threads

8
13
24
40
60

per

to

12
to 20
to

36

to

60

and

Inch

finer

Carborundum

A100-T3-BT
Al20-T3-BT
Al50-T3-BT
A220-T3-BT

A220-T3-BT

(Res.)
(Res.)
(Res.)
(Res.)
(Res.)

PRECISION THREADS

8

to

ALLOY

12

13

to 20

24

to

36

40 and

STEELS,

finer

AAl00-K-VT
AA120-K-VT
AA150-K-VT
AFA280-K-VT3

heat

treated

and

(Vit.)
(Vit.)
(Vit.)

hardened.

COMMERCIAL THREADS

8

to
13
24

12
to 20
to

36

A120-T3-BT
A150-T3-BT
A220-T3-BT

(Res.)
(Res.)
(Res.)

(Vit.)

EXTERNAL

THREADS

Norton

Al00-S9-BH
Al00-S9-BH
A150-T9-BH
A180-T9-BH
A220-T9-BH

38Al20-J7-VBE

(Res.)
(Res.)

(Res.)
(Res.)
(Res.)

(Vit.)
38Al50-K8-VBE
38A220-M10-VBE
A320-09-B

AlO0-S9:-BH
Al50-T9-BH

A180-T9-BH

(Res.)

(Res.)
(Res.)
(Res.)

(Vit.)

(Vit.)

Macklin

Al00-W2-B7
Al00-W2-B7
Al50-W2-B7
A180-W2-B7

A220-W2-B7

Al00-W2-B7
Al00-W2-B7
A150-W2-B7

(Res.)
(Res.)
(Res.)
(Res.)
(Res.)

(Res.)
(Res.)
(Res.)

ACME

AND

WORM THREADS

TOOL AND ALLOY

2

to

4

5 to 10

18

12 to

STEELS,

AA60-J-VT
AA80-J-VT
AA100-J-VT

heat

treated

(Vit.)
(Vit.) .
(Vit.)

WHEELS

AMERICAN NATIONAL FORM THREADS

HIGH

SPEED

COMMERCIAL THREADS

Threads

4

8 to 12

13
24
40

per

to

7

to 20

to

36

and

STEEL

Inch

finer

Carborundum

A80-T3-BT
A100-T3-BT
A120-T3-BT

Al80-T3-BT

A220-T3-BT

(Res.)
(Res.)
(Res.)
(Res.)
(Res.)

PRECISION THREADS

4 to 7

8

to

12

13 to 20

to

36

24
40

to

56

64 to 80

AA80-J-VT

AAl00-K-VT
AA150-K-VT
AA220-K-VT
AFA280-K-VT3
AFA280-K-VT3

FOR

(Vit.)
(Vit.)
(Vit.)
(Vit.).

(Vit.)

(Vit.)

and

hardened.

38A80-I8-VBE
38A120-J7-VBE
38A150-K8-VBE

GRINDING

TAPS

Norton

Al00-S9-BH
A100-S9-BH
Al50-T9-BH

A180-T9-BH
A220-T9-BH

(Res.)
(Res.)

(Res.)

(Res.)
(Res.)

38A120-J7-VBE (Vit.)
38Al20-J7-VBE
38A150-K8-VBE

38A180-M10-VBE

38A220-M10-VBE

A320-09-B

(Res.)

(Vit.)
(Vit,)

(Vit.)

(Vit.)

(Vit.)

(Vit.)
(Vit.)

Macklin

A80-W2-B7
Al00-W2-B7
A120-W2-B7
A180-W2-B7
A220-W2-B7

A220-W2-B7

(Res.)
(Res.)
(Res.)
(Res.)
(Res.)

(Res.)

- 705 -

THREAD

GRINDING AND GRINDING

WHEELS

AMERICAN NATIONAL

SPEED

HIGH

Threads

14 to

27 and

ACME THREADS

HIGH

SPEED

12 to

Due

to

the

struct a table

per

to

11-1/2

8

18

2

to

4

5 to 10

16

large

of

STEEL

Inch

finer

STEEL

WHEELS FOR GRINDING NON-FERROUS METALS

variation

wheel

WHEELS

PIPE

THREADS

A100-T3-BT

or

AA150-K-VT
A150-T3-BT

or

AA220-K-VT
A150-T3-BT

or

AA220-K-VT

AA60-J-VT
AA80-J-VT

AA100-J-VT (Vit.)

of the

recommendations.

FOR

Carborundum

physical

GRINDING TAPS

(Res.)

Al00-S9-BH

(Vit.)

(Res.)
(Vit.)

(Res.)

(Vit.)

(Vit.)

(Vit.)

properties

Al00-S9-BH

A150-T9-BH

38A80-l8-VBE (Vit,)

38A120-J7-VBE (Vit.)

38A150-K8-VBE (Vit.)

(Cont'd.)

Norton

of

these

(Res.)

(Res.)

(Res.)

metals

A100-W2-B7

A120-W2-B7

A150-W2-B7

it

is

impossible

Macklin

to

(Res.)

(Res,)

(Res.)

con-

Some of
Aloxite
borundum
All

such

manufacturer.

these

Resinoid

Vitrified

cases

CARBORUNDUM

metals

while

should

or

be

are

best

others

AA

Aloxite

referred

ground

require

Vitrified.

to

the

with

Car-

wheel

Bronze,
ground
Vitrified
Representative
ommendations.

Brass

with

37C100-I-V,

or

finer

NORTON

and

for

should

Aluminum

37C180-I-VCrystalon

fine

pitches.

be

consulted

are

generally

The

for

Norton

rec-

- 706 -

GRINDING

WHEEL

SPEEDS -12"

TO

18"

DIAMETER

WHEELS

-

270G

260.)

•

::iOv

2.•<

:'300

22(

li

]

y'I

0

'1

I J

- '

1,-r-;:,=f

. j . . ~:

.,

.

t

,•

f

4_f1.i)

'' -{.-.

YV.

t

=:,-.,,,.-,;,-=~.,,,..,..-,,--~-,.--,--;-

·- : ,T

.

,

...

~

·t,i

-'

1 I

6'

F-733

1

RPM

JI

WHEEL

SURFACE

SPEED

.,oor,

IN

FEET

PER

MINUTE---+-

-,;o

r 0.

I :

17

1/s

WORK

¼

3/s

SPEEDS

½

TO

100

1/s

INCHES

I

11/s

PER

I¼

MINUTE

11/e

WORK

DIAMETER

IN

INCHES

16

15

14

13

12

11

10

2

3

9

l

-

1

RPM

8

7

6

5

4

3

2

4

5

6

7

8

9

10

11

12

--

0-4

93-C

10 20 30 40 50 60

WORK

SURFACE

SPEED

IN

INCHES

PER

MINUTt--E

--•

70

80

90

100

REPLACEMENT

PARTS

parts

Only

included

building

exists

of

machine

itself.

a

part

can

forwarded:

and,

standard
branch

when
mation

in

machine

for a complete

If

it

that

be

filled

if

necessary, a sketch

Electrical

of

To

avoid

parts

should

1.

2. Quantity

3.

EX-CELL-0

REPLACEMENT

that

may

this

parts
should
is

not

if

machine

items

the

supplier.

errors

are

Part

Machine

list.

the

equipment,
can

ordered

be

number

Years

tools

has

parts

last

as

become

included

following

serial

be

purchased

and

furnished:

serial

STYLES

PARTS

need

replacement

of

experience

shown

list.

long

as

necessary

in

this

information

number,

of

the

V-belts

unnecessary

the

following

and

name

number

PRECISION

that

no need

The

majority

the

machine

to

replace

list

the

order

description

part.

and

other

at

the

nearest

delays

infor-

of

item

are

in

is

31

,

and

Number

48-116
48-118

48-130

48-133
48-140

48-195
48-196
48-683
48-684
48-180
48-657

304

5306

THREAD

31-L

Part

HEADSTOCK

Key

Sleeve
Spindle

Bearing
Compensator
Lead

(not shown)

Lock

Worm
Worm
Worm
Worm
Worm

W

Fafnir
Fafnir

GRINDERS

Name

......••••..•..••.•.•••.••••••••

Pick-Up

Nut

Shaft

Gear

Gear

Ball

Ball

of

Part

ASSEMBLY

..........................

Shaft

Thrust

(not shown>

Nut

Shaft

...................

•.•••••••••••.•.•••.•.••.•

Pulley

}

Standard:for

60: 1

} Optional:

24: 1 ratio
Bearing
Bearing

Ball

.........

............

..........

ratio

for

.........

.........

Number

Required

1

..

1

.

2

..

1

.

1

2

..

1
1

..

.

...

1

1

..

..

1

..

1

..

1

HEADSTOCK

ASSEMBLY

- 801 -

REPLACEMENT

48-551 - .
48-538

48-282
48-1338

48-280

. .

48-1336-------

A-1043

48- 1339

-·--

~-----

'•

',

,,,.

'

,.)

,

~

:\\'

,\,

- ,--

-

PARTS

48-252
48-2468
48-2458

Part

Number

48-252
48-254

48-280
48-282
48-390

48-538
48-551
48-1336
48-1338
48-1339

48-2458

48-2468

48-6126
A-1043

Name

TAILSTOCK ASSEMBLY

Pinion

Right

(not .shown)

Center

Plunger

Adjusting

(not shown)
Plunger
Quill

Left

Quill

Quill

Diaphragm

Lever

Hinge

Pinion

Diaphragm

Spring

of

Part

Gear

....... · .............

Quill

Bushing

...................

....................•........

...............•...........

Screw

..................

Spring

Spring

...•..................•........

............................

Block

...................

Bushing

.....................

...............•.....

Bushing

Retaining

.........................

..........

Bushing

................

...........

.......•.........

TAILSTOCK

Number

Required

1

.
.

1

.

1
1

1

.

1

.

1

..

1

.

1

1

.

1

.

1
1

1

.

ASSEMBLY

Part

Number

48-264

48-149

48-151

48-267
48-268
48-269
48-270
48-271
48-272
48-273
48-278
48-288
48-289
48-290

48-295
XLO-90
XLO-95

Name

WORK SPINDLE

Retainer

Felt

Seal

Split

Washer

Collar ..

Spacer
Lock
Lock
Retaining

Nut

.................................

Felt

Seal
Sleeve
Sleeve
Oil

Cap

Spindle

Ball

Bearing

Ball

Bearing

of

Part

.........................

.

........................

.

...................

...........................

. .•••....•..••.....•.••.••.•

Nut

e • • • e • • e e

Nut

.........................

Nut

...................

.

........................

.

...........................

............................

.

.........................•

Shaft

....................

....................

....................

Number

Required

ASSEMBLY

•••a

♦ • ♦

I

I•

♦

e ♦

• e

1

1
1

1
1
1

♦

1
1
1

2

1

1

1

1

1

1

- 802 -

REPLACEMENT

_.:

-

=--

,:;.,-

· ~ •

PARTS

_...--;1 .

---

'

~ I

Part

Number

WHEEL

45-!'i93

48-206

48-231

.. -'-=~

SPINDLE HOUSING ASSEMBLY

Sight

WORK

Roller

Assembly

/

TABLE

-~

Name

of

(not shown>

Feed

Oil

TABLE

Bearing

(not shown)

7 '/

48-230

DOG

SUB-ASSEMBLY

-~-----

·

---

Part

Cup

..........

ASSEMBLY

Cage

t

fW'I'~

48-505

<t

WORK

Number

Required

..

i.

@!!!!!.

..

/-

48-506

SPINDLE

1

2

~

~

I

ASSEMBLY

Part

Number

TABLE

48-99

48-230

48-231

48-232

48-235
48-236
48-505

48-506

48-546

55-B

60-B

48-472

48-473

48-475

Name

DOG SUB-ASSEMBLY

Pin

....•..........................

Spring
Spring
Tee

Nut
Trip

Dog

Trip

Dog
Bushing
Nut

..............................

CROSS SLIDE ASSEMBLY

Grinding

Gasket
Gates V-Belt
Gates

HELIX ANGLE ADJUSTMENT

SUB-ASSEMBLY

Helix

Screw
Helix

Block
Helix

of

Part

.........................

Stud

..... , ...........

........................

.....................

Holder

Screw

(not shown)

Wheel

.......................

V -

Belt

Angle

........................

Angle

.........................

Angle

............

..............

Mounting

................

.................

Adjusting

Adjusting

Adjusting

Required

. .

, ..

. ..

..

..

Nut

Numper

2

2
2
2

.

2

2

.

2
2

.

2

.

1

1

.

1

.

1

.

1

- 803 -

REPLACEMENT

PARTS

CROSS SLIDE ASSEMBLY (Cont'd)

WHEEL DRIVE MOTOR

(not shown)

Part

Number

48-577
48-578
48-587
48-588
48-2365

Part

Number

48-3

50

48-351

48-357

48-3

58

48-624

48-728
48-729
48-749
48-1112

MRC#9C

Current

60

Cycle

50

Cycle

60

Cycle

50

Cycle

D.

C.

CROSS

Indicator
Hand Knob
Bronze

Bronze

Knob

...........................

Screw

Bushing
Feed

Screw

Handle

Thrust

0 .D.

Small

Groove

5.97

7.11

3.80

4.49

Name

FEED

of

Part

ASSEMBLY

...................

....................

Bushing ...

Bushing .

...........

.u

... .

........................

...................

..........................

Ball

Bearing

PULLEYS

O .D.

.... .

.........

.........

..........

.......

CROSS

Large

Groove

6.20

7.39

4.28

5.08

Number

Required

1

.

1
1

..

1

.

1

..

1

. .

1

.

1

.

1

.

2

.

FEED

ASSEMBLY

Part

Number

DRESSER UNIT ASSEMBLIES

48-641-1

48-641-3

48-307

48-375

48-378

48-384
48-398
48-539
48-668

48-673

48-696
48-697
48-736

48-751

48-796

48-797

48-798

Name

Dresser

for

Dresser

for

60°

29°

Unit,

Thread

Unit,

Thread

Adjusting
Adapter

Plate

(not shown)

Washer

Clamp

Center

for

(not shown)

Plug .................

Adjusting

Felt

Oil

Seal

Adapter

Screw
Adapter
Arm,
Arm,

Diamond

Plate

(not shown)

Plate
Right
Left

Swivel

Center Pin

Bracket,
Bracket,
Base

Forms

Right

Left

Plate

.......................

of

Part

Plate

Type

Forms

Plate

Type

Forms

Screw

...........

Clamp

.................

Adapter

Plate

....... .

Screw

............

................

Adjusting

(not shown>.

Hand

............

Hand

.............

Holder

....................

Hand

Hand

for

60°

.....

Thread

......

.......

..•.

......

... .

Number
Required

2

..

.

2

.

2

2

.

2

.

4

.

.

2

1
1

.

1

.

2

2

.

1

.

1

1

.

- 804 -

REPLACEMENT

PARTS

Part

Number

DRESSER

Name of

ASSEMBLY

Part

Number

Required

Part

Number

Name

BASE ASSEMBLY

of

Part

(not shown)

31-2005

48...:534-1
48-733
26-A
68-A
2360

2720

Latch

Coolant

Work

Drive
Gates
Gates
Gates

Machine only)

Gates

Machine

Hose

V-Belt
V -

Belt

V-Belt

V-Belt

only>

Plunger

...............

Motor

..............

...............

(31-L

...........

(31-L

............

......

Pulley.

..

..

Door

48-2429 WORK DRIVER ASSEMBLY

48-5
48-6
48-7
48-8

48-447

48-759
48-760-A
48-5772

Driver
Lock
Clamp
Adapter

COOLANT VALVE ASSEMBLY

Screw

Oil Spout
Manifold
Valve

.......................

Nut

.......

.'

............

Screw

Plate

...............

.............

........................

....................

....................

.........................

..

..

Number

Required

.

1

1

.

1

1

.

1

1

1

.

.

1

1

.
.

1
1

1

.

2

.

1

.

1

DRESSER UNIT ASSEMBLIES (Cont'd)
48-798-A

48-799

48-896
48-897
48-4105

48-7-----­48-5

48-6-------

48-8

-------

Base

Plate

Forms
Bracket
Bracket
Bracket

Diamond

WORK

DRIVER

for

29°

Thread

.......................

Swivel Bushing
Swivel

Clamping

Tool

Screw

Screw

(not shown).

(

ASSEMBLY

...

.....

..

The

Note:

fold

and

1

.

2

2

4

2

ordered
oil

spouts

as

required.

screw,

valve

as

an

may

mani-

must

assembly;

be

ordered

48-5772

48-447

48-760-A
48

·

be

1 J

COOLANT

VALVE

ASSEMBLY

- 805 -

B-787-A

GRINDING SPINDLE ASSEMBLY

REPLACEMENT

(not shown)

SPINDLE PULLEYS

(not shown)

PARTS

Part

Number

4-S-1180
4-S-1181
4-S-1182
4-S-1183
4-S-1184

O.D.

O.D.

Small

Groove

4,260

4.840

5.360 5.500

6.100 6.290 1670 - 1780

6.840 6.960 1485 - 1575

Large

Groove

4.390

4.940

Spindle

R.P.M.

2450 - 2640

2150 - 2290
1910 - 2040

For

- 806 -

THIS

The
quickly
is a
ing

..•
Electrical
Glass
Steel
Picture
ment

Instrument

•..
Shipbuilding

of
led
which

packaging

and

of

IS

purpose

diversified

industries:

Aeronautical

Automotive

.••

...

Railroad

Ex-Cell-O's

and

to a

railroad

such

what

...

...

Household

Leather

..•

Office

Petroleum

...

facilities

great

seem

machines,

products.

of

entirely

this

little

Ex-Cell-O is

business

...

Agricultural

...

Construction

Fishing

.••

•••
policy

pins

•••
Appliance

..•

Machine

Equipment

•••

Power

variety

.••
Refrigeration
Telegraph

of

for

precision

unrelated.

textile

and

bushings

folder

and

serving

Food

Tool

•.•

Plastics

Printing

••.

utilizing

in

of

products,

machinery

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show

does.

Ex-Cell-O

the

follow-

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Dairy

Processing

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Iron

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Textile.
its

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any

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EX-CELL-O LIMA,

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Miscellaneous

EX-CELL-0 FOSTORIA,

Aircraft

and

Miscellaneous

OHIO

PLANT

Precision Ports

OHIO

Precision Ports

PLANT

ACCURATE BUSHING

OF

GARWOOD

on

Ex-Cell-O

Drill Jig Bushings • Precision Ports

COMPANY

, NEW

Subsidiary

JERSEY

EX

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Standard

Aircraft

HAMILTON

Machine

and

Railroad

Drill

AVENUE PLANT, DETROIT

Tools • Dairy E

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Pins

and

Jig Bushings

quipment

Ports

Bushings

MARTIN

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on
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DETROIT

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PLANT,

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and

Machine

and

Tools •

Precision

BOULEVARD

DETROIT

Principal Offices

Continental

Grinding

Spindles

PL.AN

Cutting

Tools

MIDLAND

ROBBINS ENGINEERING

an

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Aircraft

Engine

STREET

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PLANT OF

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and

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Cutting Tools

and

Broaches

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Pins

Rotor

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Engine

Assembly

and

Bushings

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Counterbore

Compressor

for

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7 Plants in 4 Cities

Ex-Cell-O
precision
bushings.

Ex-Cell-O builds

tain

parts

greater

was

Many

accuracy

founded

for

larger

of

the

and

sells

in

1919. Its
manufacturers,

machine

today

and

production

tools

were

first

products

and

and

developed

in

its

1,116,188 Square Feet of Floor

Almost

drill

accessories

to

own

plants.

were

jig

ob-

6,000

Over

Employees

4,000

Shareholders

Space

Ex-Cell-O
under
provides
bilities to
community.
cess

Ex-Cell-O
cities
countries. These men
tical
shown inside this
sentative

representatives

in

the

United

help

with

or

write, wire

States,

problems

folder.

the

is

how well

are

or

are

qualified

phone

is

an

American

opportunity,

customers,

We

believe

these

located

Canada

that

Call

and

to give you

concern

in

your

Ex-Cell-O

example

free

enterprise

and

employees,

the

measure

responsibilities

in

the

principal

many

the

products

local

in

of

business

with it,

shareholders

foreign

prac-

repre-

Detroit.

development

system. This system

carries

of a company's

are

responsi-

and

carried

the

suc-

out.

B52-1

EX-CELL-O

1200

OAKMAN

BOULEVARD•

CORPORAT

DETROIT

32,