General Electric GE Bulletin No. 4486 : The CQ Motor Motors

General

SMALL

Electric

Schenectady,NY.

MOTOR

DEPARTMENT

Company

(L

35*33^

A&

February,

The

electric
reputation
improved
obtained
an
manufacturing

group

in

shoporin

production,ascompared

by

accepted

Whether

drivingofmachines,—whether

the

light

and

the

1907

motor

for

ensuring

the

mechanical

and

enviable

world.

applied

intermittent

heavy

with

to

and

its

increased

with

drive,

position

the

individual

workofa

continuous

Copyripht,

by

Giniral

THE

established

results

has

in

serving

small

duty

CQ

and

won

the

or

of

1907

Electric

Company

MOTOR

advantagesofthe
understood
extensive
the
Company's
for
as

the

ito20

The

wellasthe

adoption,

salient

constant

Type

h.p.

standard

Bulletin

electric

and

thoroughly

buttodescribeindetail

featuresofthe

lineofcontinuous

speed

service,

CQ

and

sizes

normal

speedsatwhich

drive

rangeincapacity

of

nowsowell

endorsed

General

current

which

these

No.

bv

Electric

motors

are

known

motors

they

U86

its

from

as

run

a

large

manufactory,—orwhether

its

power

drive,
most
able.
powerisrequired,
form

Itisnot

enter

by

gear,

the

electric

efficient

Wherever,

establishes

into

and

the
an

beltordirect

motor

indeed,

its

purpose

exposition

providesatonce

satisfactory

the

electric

adaptability

transmitting

power

the

application

motorinsome

and

here,

however,

of

the

CQ

connected

the

obtain

utility.

many

MOTOR

have
past
engineering

Motorsofthis

of

inclusive,
only.
are

to

The
the

been

experience

Motors

wound

slow

speed

moderate

carefully

and

are

for

speed

selected

to

best

commercial

type

in sizes

wound

from1h.p.upwards,

either

line

for

slowormoderate

ranges

fromJto20h.

with

the aid

serve

from^to}h.p.,

moderate

from1to15h.

imposed

requirements.

speeds

however,

speeds.

p.

of

p.;

GENERAL

ELECTRIC

COMPANY

4486-2

the
worked
ing
construction,

The

Type

out

strength

The

general

CQ

with

CQ

and

high
pleasing external
structed
mav
service
their
accomplished
these
alluded
combinedina
form

in

conformity

be

employed

without

consumptionofcurrent

will

meritorious

to

in

detail

motor

and

pleasing

Motor

DESIGN
designtowhich
motor

special

are

built

referencetocombin

simplicity

electrical

in

constants,

appearance.

with

for

hard

undue

depreciation,

for

be

at

the

minimum.

features,

with

hereafter,

possessing

outlines.

all

sizes

has

mechanical

Machines

this

design

and

constant

useful

many

others

have

symmetrical

been

and

con

and

work

All

been

of

The
high
They
toamachined
ferenceofthe
of

attachment

The
pole
circuit
magnetic

BEARING

The
heads,

pole

grade

are

securely

mechanical

pieces

and

flux.

bearings

carry

POLE

pieces are

cast

steel,ofhigh

surface

field

enables

ensures a

an

even

HEADS

are

removable

PIECES

made

ofaspecial,

permeability.

bolted

frame,

on

ready

from
the

inner

and

removal.

designoffield

short,

strong

distribution

AND

BEARINGS

integral

with

linings,

the

this

frame

magnetic

the

and

outside
circum
method

and

of

the

bearing

are

Bi-polar

up

to

and
frames
four

these
Each
before

CQ

poles.

All

material

motorsisthe

integral

the
machine,
and

tested

with

special

hence

are

of

corresponding

The

frame,
yoke,isof
and

provided
ensure
down.

rigidity

The

low.

CQ

MOTORS,2,3,5,71-2,10and

CONSTRUCTION

constructionisemployedinsizes
including
7\,

final

which

as

a whole.

tools

strictly

the

CQ5frame,

and

larger,

used

best

partisinspected

assembly

is

and

in

also

are

arc

provided

the

construction

that

canbeprocured.

into

the

carefully

All

parts

carefully

and

complete

inspected

are

gauged,—-

interchangeableinmotors

size

and

type.

tested

FRAME

which

soft

constitutes

cast

steel,

with

feetofample

to

the

cylindricalinshape

motor

the

surface

when

magnetic

bolted

centerofgravityisparticularly

while

with

made

of

to

provided
rings.

The
protect
injury
and

permitting

and

brushes.

the

motor

the

bearings

The

bearing
of

friction.

when

necessary.
provided
minimize
journals
the

oil

shaft

and
capacity.

All

field

insulated

15 h. p.

with

oil

bearing

the

although

heads

motor

affording
easy
They

frame

and

with

linings

are

metal,

They

to

insure

wear.

and

rings

Constant

liningsisobtained

which

dip

into

FIELD

coils

are

and

specially

chambers

aresodesigned

windings

proper

accesstothe

are

bolted

formarigid

their

accessories.

madeinone

havingalow

may

be

readily

Ample

cool

bearing

operation

lubricationofthe

revolve

oil

wells

COILS

form

wound,
treated

and

lubricating

as

from

external

ventilation

commutator

securely

support

piece,ofspecial

co-efficient

renewed

surface

and

by

means

loosely

of

on

suitable

thoroughly

to

render

to

to

for

is

to

of

the

them

impervioustomoisture.

securely

tips.

into

overcomes
connections

heldinplace

The

field

terminalsinthe

the

necessityofemploying

inside

by

the

connections

terminal

the

frame.

GENERAL

Each

extended

are

soldered

block,

ELECTRIC

coil

pole

which

loose

is

air
ventilation.

carefully
on
The

COMPANY

ducts

All

through

armature

insulated

armaturesofthe

coils

are

placedinthe

The

the

coils

and

same

CQ

Motor

core

to

arc

form

are

interchangeable

rating

and

core

slots

4486-3

provide

wound,

voltage.

which

ARMATURE

The

armature

of

selected

for

the

armature

assembly.

reduce
They
under
and

eddy

are

hydraulic

rigid

AND

coreisbuiltupof

soft

sheet

windings

The

punchings

current

assembled

pressure

structure.

DISK

GRINDER DRIVEN BY2H.P.CQMOTOR

COMMUTATOR

laminations

steelinwhich

are

punched

are

japanned

losses

directly

The

toaminimum.

on

and

formacompact

larger

sizes

the

the

slots

before

to

shaft

have

provide

in
ends
brought

slotsinthe

are

complete

mechanical

position

of

the

out

by

coils

and

commutator

testedasassembled

armatureisalso
possibilityofthe
or

grounds.

protection

proper

binding
constituting
soldered

directly

segments.

on

the

testedtoavoid

existenceofshort

and

bands.

the

core

are

held

The

leads are

into

the

All

coils

and

the

any

circuits

GENERAL

ELECTRIC

COMPANY

4486-4

The

The

CQ

armature

Motor

is

treated

withaspecial
compoundtorenderitmoisture-proof.
treatment
addingtoand
entire

The

highest

from

selected
andofsuch
the

copper.

The
commutator
constants
operation
requiring
reducing
due
practically

has

insulation.

commutator

grade

the

shell

mica

care

of

from

any

the

to

the

negligible.

the

advantage

improving

ENCLOSEDCQMOTOR

the

segments

hard

drawn

and

from

gaugedtoa

hardness

takeninthe

and

the

as to

the

motor

no

loadtofull

constructionofthe

excellent

shiftingofthe

wearofthe

commutatortothat

frictionofthe

of

qualityofthe

are

copper,

one

another

uniform

wear

evenly

ensure

load

brushes,

brushes,

This

materially

of

the

insulated

by

thickness

with

electrical
sparkless

without

thus

which

with

flexible

carrying

the

surfaceofthe
adjustable
practically

the

whole
springs
allow

the

of

the

preventing

copper

capacity

springs,

a

uniform

wearing

have

sufficient

brushestofollow

commutator

jumping

ENCLOSING

When

the

requirementsofinstallation

such

as

protect

make

the

it

internal
vaporormechanical
be

partiallyortotally
perforated
the

effectonthe

these

motors

or

solid

when

"HEATING."

The

edges

accurately

machined,

closelytocorrespondingly

is

pigtailsofample

and

are

held

firmly

current

against

commutatorbyindependent

so

designed
pressure

depthofthe

flexibility

surface

and

consequent

as to

throughout

brush.

also

any

irregularities

duetowear,

sparking.

give

The

thus

COVERS

are

necessary

parts

hand-hole

rating

enclosed,

of

enclosing

injury,

enclosed

duetothe

plane

to

thoroughly

from

water,

CQ

motors
by
covers.

see

covers

surfaces,

machined

dust,

may

means

For
heating
paragraph

have

and

surfaces

to

of

of

fit

All

shafts

its

strength

are

large

to

more

vibration.

The

the

well-known

brushes

in

finished

ARMATURE

areofspecial

and

durability.

for

the

safely

resist

BRUSH

brush

holders

are

of

high-grade

box

guides.

SHAFTS

steel

The

horsepower

all

strains

HOLDERS

areamodification

clock

spring

carbon,

They

selected

diameters

transmitted,

and

prevent

type.

are

The

and

slide

supplied

for

of

CQ

on

the

bearing
practically
where
these

screws

accesstothe

covers

which

MOTOR

INSTALLEDONUPRIGHT

heads,

dust-proof.

are

hold

formingajoint

On

motorisnot

fastened

the

bearing

which

the

pulley

required,

by

the

same

headsinplace.

is

end,

cap

On

the
securely
when

slackened

quick

removal,

the

commutator,

commutator

in

place

end

by two

by

the

affording

brushes

motor.

A

minor

careful

attention

connection

feature,

with

but

given

these

motors,isthe

methodofsecuringtothe

bolts

referred
manner
interfered
become

lost.

From

seats

on
machined,
without
with

either
time,asthey
framesofany

to,

which

that

neither

with

nor

can

the

fact

that

the

bearing

motorsinservice

covers

may

afterwards

perforatedorsolid

are

strictly

given

size.

these

heads

GENERAL

the covers

are

wing-bolts

fingers

one

to

permit

complete

and

inside

emphasizing

every

access

detail

ingenious

cover

is

is

they

done

their

drop

covers

are

the
in

operation

out

and

accurately

originally

be

supplied

coversatany

interchangeable

ELECTRIC

held

which

their

of

the

the

wing-

such

and

their

shipped

on

COMPANY

riseismaintained
with

diminished

For

to

when

operating

enclosed,

are

The

built

in

When
may
and

be

125

a

When
may

be usedoncircuits

and

250

When
may

be usedoncircuits

and

600

The

as

output.

heatings

and

open,

see

the

tabulationonpage

STANDARD

voltages

are

motors

115,

for

which
230
are

ratedat115

usedoncircuits

volts,

inclusive.

motors

volts,

motors

volts,

are

ratedat230

inclusive.

are

ratedat550

inclusive.

CQ

Motor

for

open

motors,

ratingsofthese

semi-

enclosed

VOLTAGES

standard

and

550.
volts,

ranging

between

volts,

ranging

between

volts,

ranging

between

4486-5

but

motors

or

6.

motors

they

110

they

220

they

500

HEATING

The

Type

CQ

motors
rated.
its

rated

The

standard

horse-power
withoutatemperature
more

than

45

degrees

above

the

surrounding

An

overloadof25%

for

one

hour

continuously

heating

or

sparking,

momentarily.

When
either
guarantees

Motors
and
enclosed

motors

semi

smaller

within

are

or

totally
willbeas
developed

will

the

operate

same

open.

Owing
larger
horse-power

ratings

are

necessarily
within
motorsofthese

to

the

frames

have

than

attainable

established

fact

less
the

with

reducedtokeep

limits.

sizes

are

open

output

rise
C.

air.

may

or

intended

enclosed,

follows:

from

load

that
radiating

smaller
them

the

conservatively

motor

will

continuously

in

any

by

thermometer

be

maintained
without
a

40%

for

the

CQ1frame

semi

or

limitsaswhen

the

CQ

surface

frames,

when

the

For

semi-enclosed

same

temperature

deliver

part

injurious

overload

operation

heating

totally

2

and

per
the

enclosed

heating

of

Satisfactory

the
heating
motor
will
portiontothe

All

on

floor,
ordered,
for
rotation
commutator
ranged,

CQ

MOTOR

voltage

limits

guarantees

speedsonother

vary

somewhat,

changeinvoltage.

INSTALLATION

CQ

motors

side

wallorceiling.

all

motors

floor

installation

as

end.

however,

INSTALLEDONCEILING

operationisguaranteed

specified,

and

willbemaintained.

than

standard

approximatelyinpro

may

be

readily

Unless

willbeshipped

and

viewed

They

for

counter-clockwise

when

can

side

wall

assembled

facing

be

easily

or

within

standard

The

voltage

installed

otherwise

the

ar

ceiling

GENERAL

ELECTRIC

COMPANY

4486-6

OPEN,

CQ

2

CQ

2

CQ

3

CQ

CQ

5

The

CQ

Motor

SEMI-ENCLOSED

STANDARD

Speed

R.P.M.

115
230
550

115
230
550

115
230
550

115
230
550

115
230
550

1100
1100
1350

1650
1650

2000

1100
1100
1350

1650
1650

2000

1100
1100
1350

H.

9

S.S.

3

M.S.

3

S.S.

5

M.S.

o

S.S.

45°

P.

AND

SHUNT

Kise

Open

Amps.

15.7

8.00

23.6

11.8

4.93

23.3

11.6

4.87

38.7

19.0

8.00

38.7

19.0

8.00

ENCLOSED

WOUND

3.35

45°

H.

S.S.

M.S.

S.S.

M.S.

S.S.

Ki.-e

P.

1J

2.5

4

4

MOTORS

Semi-

Enclosed

Amps.

13.9

19.9

19.6

31.1

15.5

31.1

15.5

RATINGS

H.

7.05

2.94

9.95

4.16

9.80

4.10

6.48

6.48

M.S.

M.S.

S.S.

00°

S.S.

2.5

2.5

S.S.

3.5

3.5

FOR

Kise

P.

CQ

Knclosed

Amp;

13.9

7.05

2.94

19.9

9.95

4.16

19.6

9.80

4.10

27.3

13.5

5.65

27.3

13.5

5.65

CQ

5

CQ

7i

CQ

71

CQ

10

CQ

10

CQ

15

CQ

15

Note.
enclosed, as
totally

enclosed

115
230
550

115
230
550

115
230
550

115
230
550

115
230
550

115

230
550

115

230
550

The

Riven

frames
the

motors.

1525
1525

7.5

M.S.

1850

825

825

7.5

S.S.

1125

1250
1250

10
M.S.

1500

650
650

10

S.S.

900

1000
1000

15

M.S.

1350

625
625

15

S.S.

835

925
925

20
M.S.

1250

fromCQJtoCQ1,inclusive,

open

motors,

the

temperature

57.6

28.6

12.0

56.3

28.2

11.8

75.1

37.6

15.6

74.5

36.8
15

4

111.

55.4

23.0

113

55.

22.8

151

73.8

30.7

willbegiven

rise

being45degrees

6

M.S.

iI

S.S.

8

M.S.

s

S.S.

10

M.S.

10

S.S.

15

M.S.

the

same

for

46.3

23.0

45.5

22.8

60.0

30.0

12.5

60.0

29.7

12.5

74.5

37.1

15.5

76.0

36.9

15.4

113

56.0

23.2

horse-power

both

open

9.65

9.55

and

0.0

M.S.

5.5

S.S.

6

M.S.

S.S.

7

M.S.

7.0

S.S.

10

M.S.

ratings,

whether

semi-enclosed

42.8

21.2

8.75

42.0

21.0

8.78

45.5

22.7

9.50

45.8

22.5

9.35

52.8

26.4

11.0

57.4

28.1

11.8

77.1

38.5

16.2

semiortotally

and60degrees

for

GENERAL

ELECTRIC

COMPANY

The

CQ

Motor

4486-7

suspension

by

degreesor180

well

openings

the

shaft.

with

these

support

themonfloor,

CQ

MOTOR

turning

degrees,

must

The

motors

the

bearing

respectively.

alwaysbedirectly

iron

sliding

are

side

DRIVING

bases

CQ

sufficiently

wall or

LINOTYPE

heads

The

for

MOTOR

strong

ceiling.

90
oil

above

use

WITH

If

clock-wise

be

removed

the

BELT

to

BELT

provided

illustrated
affords

primarily,ofa
arm
arm
position
binding

driving
than
with
ment.

the

armatureisrequiredtorotateina

reverse

TIGHTENER

TIGHTENER

The

standard

withabelt

many

It

permits

ing

and

It

allows

small

diameter.

It

affords

the

driving

amount

direction

from

positiontoensureatrailing

above.

driven

of belt

the

the

studs

CQ

motors

tightener

The

advantages:

short

distances

shafts.

the

use

of

greater

pulley,

arcofbelt

thereby

slip

without

brush-holders

and

ATTACHMENTS

may

use

of

driving

tension.

It

does

away

with

the

need

base,

as
automatic
It

takes

would

otherwisebetransmitted

machinetothe

driven
TheCQbelt

carrying
with

its
necessary
effect.

pulley

the

standard

motors

the device

belt

tightener.

up

the

tightener
cast iron

an

idle

pulley

The

having

not

equipped

strain

attachment

ring

binder

may

to

produce

equipment

a

driving

itself

and

motor

with

be

smaller

pulley

with

should

replaced

brush.

be

readily

attachment,

this

device

between

pulleys

contact

decreasing

excessive

ofasliding
acts

as

jar

which

from

armature.

consists,

adjustable

pulley.

rotated

the

to

required

includes

diameter

furnished

this

attach

in

as

driv

of

on

the

belt

an

the

This

any

a

GENERAL

ELECTRIC

COMPANY

4486-8 The

This

device
standard
which
and
both
bearing
are

motor

fasten

substituting

the

head

furnished

ment.

CQ

Motor

maybereadily

by

removing

the

bearing
bolts

long

belt

tightener
securelyinplace.
with

the

belt

attachedtothe

the

four

headtothe

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regulating

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speeds,

see

page

EQUIPMENT

115,

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geared

design

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armature

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the

motor

for

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machine

the

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line

the

most

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no-voltage

information

separate

on

appli

CQ

motors
the use
speeds.

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of

be

GENERAL

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COMPANY

The

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Motor

4486-9

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ate

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are

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which

these

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back

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the

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gear

all

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ratios

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back

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the

selection

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designed

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gear

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guard

speeds,

see

pages12and

MOTORS

CL-B

machines

of

the

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the

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shaft

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the

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tight

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