Page 1
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precision grinding and lapping machines
Page 2
NORTON
grinders and
lappers
If
a
machine
tool is to produce for you
accu-
ratelv and profitably to close limits, it. must
have built-in precision.
For over 50 years,
Norton Company has manufactured grinding
and lapping machines which are world famous
for their built-in precision—machines which
finish metal parts to exact dimensions and toler-
ances
quicklv and economically.
If you require precision grinding or lapping
machines for your production or tool room
operations we will be happy to serve you.
Note: This catalog is designed to provide you
with brief details on the entire Norton line of
machines. If you require further details on in
dividual machines, let us know and we will send
complete data without charge or obligation.
cylindrical grinders
cam,
tool and cutler grinders ....
universal grinders
surface grinders
lapping machines .....................
special purpose grinders ....
the most varied
.....................
shape and crankpin grinders
.....................
.........................
and complete
line of grinders and lapper^|^
3-10
11-15
16-18
19-21
22-24
25-28
29-31
Page 3
K
*
a
n
I
*
**
with NORTON
cylindrical grinders
pages 3 — 10
Page 4
:
NORTON
4" cylindrical
grinder
semiautomatic—or plain
6" cylindrical
grinder
10" cylindrical
grinder
semiautomatic—or plain
type
CTU
type
CTU
type
LCTU
4
Page 5
cylindrical grinders
cut
production
costs
Cylindrical parts within its range are speedily ground
)
to precise limits with this machine. In addition, an
advanced degree of operating ease supplements its
high productive capacities by reducing manual tasks
and permitting the operator more time to devote to
loading duties. This grinder is available as a Plain
Machine or as a Semiautomatic.
design features
"Click-count
automatic or manual work rotation control . . . automatic or manual
coolant flow control . . . automatic in-feed at table reversals from
zero to .001
lubrication of way surfaces . . . wide work speed range by knob
control . . . separate table dwell control for each end of table travel
. . . preset truing and grinding speed control ... all pumps and
motors mounted outside of base. Catalog No. 531 provides addi
tional details.
” indexing mechanism speeds fine-feed settings . . .
” with automatic reset after reaching size . . automatic
DIMENSIONS IN INCHES
nominal length between centers
hcadstock center diameter
table
speeds,
hydraulic traverse:
range, per minute
grinding
wheel, standard
number
3
A
infinite
2 to 240
16 xx 8
swivel
table adjustment, per foot
floor space, total projection:
net weight, pounds
taper
Figures given with regard to taper in this catalog denote
inches per foot on diameter. However, they do not represent
the greatest taper per foot that can be ground. Tapers
depend on wheel diameter, work diameter and length.
length
width
4/2
88/2
54
4900
18
These highly productive machines perform both plunge
and traverse grinding operations with a rapid efficiency
which results in lowest costs. They are enduringly
accurate and dependable. Closely grouped controls
of advanced design assure extreme operating simplicity
and special features greatly ease and speed perform
ance of maintenance functions. 6" Type CTU and
10" Type LCTU Machines are available as Plain
Machines or as Semiautomatics.
design features
“
Click-count
preset truing and grinding speed control . . . base ways protected
by steel tape-type guards . . . work jogging control ... all
pumps and motors readily accessible . . . adjustable automatic
wheel feed at each table reversal with automatic reset . . . auto
matic work start-stop . . . automatic coolant control. Catalog
No. 1488 gives further particulars.
” indexing mechanism speeds fine-feed settings . . .
DIMENSIONS IN INCHES
headstock
table speeds, hydraulic traverse:
nominal length between centers
swivel table adjustment, per foot
floor space, total projection:
net weight, pounds
grinding wheel, standard
center diameter
per
number
minute
range,
length
width
10”
6
”
1
V*
infinite
2
to
240
24 x 2 x 12
18
4
77
87
6300
6400
30
3
101
87
6600
6700
tNORTON
GRINDERS a LAPPERS
fr
5
Page 6
NORTON
lO" cylindrical grinder
type CTU
14" cylindrical
type LCTU
semiautomatic—or plain
grinder
10" cylindrical grinder — type CTU
(heavy duty)
14
,y cylindrical grinder — type LCTU
(heavy duty)
semiautomatic—or plain
6
y/ x 18
wheelslide grinder
y/ angular
10 y angular
14
y/ angular
wheelslide grinder
type CV-4
wheelslide grinder
type LCV-4
Page 7
cut
cylindrical grinders
DIMENSIONS IN INCHES
i
These grinders provide superior
qualities for both job shop work
and the production line. Highly
flexible, they are readily adapt
able to the changes met in job
shop work requirements. Sturdy
and accurate, they have the
durability and speed to meet
the heaviest and most exacting
production line demands. Their
easily-operated, conveniently-
positioned controls require only
the minimum in operating effort.
Efficient operation, plus excel
lent general performance, assure
a profit-producing level in grind
ing operations cost.
Available as plain or semiauto
matic.
Catalog No. 1787 and Catalog
No. 807 (heavy duty) give fur
ther details.
nominal length between centers
swivel table adjustment, inches per foot
floor space, total
net weight, pounds
• Not
made in
design features
‘‘click-count’' indexing mechanism speeds fine-feed settings . . . preset truing and
grinding speed control . . wheel guard cover highly accessible, hinged for maximum
ease in wheel change . . . base ways protected by steel tape-type guards . . . heavy
wheel spindle in widely spaced bearings . . . work jogging control . . . automatic
wheel feed at
ant control.
headsfock center diameter
table speeds, hydraulic traverse:
range, per minute
grinding wheel, standard
projection:
10" CTU
1 4"
10" CTU-HD
14" LCTU-HD
these lengths.
each table reversal . . . automatic work start-stop . . . automatic cool
number
length
LCTU
1%
infinite
2
to
30
x
18
3Vi
90
width
96 96 96
1 0,000
10,250
1 1,450
1 1,800
240
3 x 12
2Vi
126
10,600
10,850
1 2,050
12,400
36
48
2
150
1 1,500
1 1,750
12,950
13,300
72
1 Zi
198
96
1 2,800
13,050
14,250
14,600
production
costs
96
1 V
a
246 294
96
15,500
1 5,750
96
17,500
17,750
120
The Norton 6" x 18" (also built in 10" swing)
and the 10" Type CV-4 and 14" Type LCV-4
angular wheelslide semiautomatics eliminate the
extra "shoulder-bumping"
operation normally
necessary when grinding thrust surfaces and
adjacent diameters in conventional cylindrical
grinders. They grind these surfaces simultane
ously by a 30° feeding action.
In addition to the economy of combining two
operations, these machines perform certain op
erating functions speedily and automatically.
This contributes to the over-all economy of oper
ation. Normal operation—where work is cen
tered or chucked with relation to shoulders to be
ground—requires only three functions by the
operator: (1) loading; (2) pulling the one-lever
control; (3) unloading.
As with all Norton semiautomatics, pulling the
one-lever control starts the grinding cycle, work
rotation and coolant flow. This relieves the
operator of these tasks and permits him to per
form other duties.
^^Catalogs No. 533 (6") and No. 1658 (10") provide
^^^further
information.
DIMENSIONS IN INCHES
headstock center
diameter
table speeds, hydraulic
traverse:
range, per minute
grinding wheel,
standard
nominal length
between centers
swivel table adjustment,
inches per foot
floor space, total
projection:
net
weight, pounds
number
length
width
10" CV-4
14" LCV-4
6" x 18"
l'/4
infinite
3
to
24 x
4
86
87
6300
360
2 x
18
10" CV-4 and
14" LCV-4
l3/4
infinite
2 to 240
12
18
37i
113
102
10,500
1 0,750
30 x 3 x 12
36
27i
131
102
1 1,100
1 1,350
48
2
143
102 102
1 2,000
1 2,250
^NORTON}
GRINDERS S LAPPERS
72
172
167
1 3,300
1 3,550
7
Page 8
NO:
ON
14" and 18" cylindrical
18" and 24" cylindrical^ grinders — type C-2
semiautomatic
grinders — type C
—plain—
roll
16" roll grinder — type C
8
Page 9
cylindrical and roll grinders
cut
production
costs
These grinders are widely recognized
for their desirable characteristics for
grinding large work: massive wheel
unit with abundant, smooth-flowing
power; large, powerful work support
ing and drive units; heavy, rigidly
f
ribbed base. They handle with ease
and readily accommodate any job up
to their full capacity. They are par
ticularly suitable for large motor and
turbine shafts, lathe and milling ma
chine spindles, radial drill columns,
boring bars and similar work.
Available with either hydraulic (up
to 120") or mechanical table traverse
(in all lengths).
Additional information is provided
in Catalog No. 99.
'
A new heavy duty machine with
i
special built-in features for simplified
set-up and operation. Combination
graduated wheel feed handwheel and
^^^k-count
;
;
^^^■.nstant settings of .0001" in work
^Rnneter. Preset truing and grinding
speed arrangement. Automatic or
manual control of work rotation and
coolant flow. Easy to maintain.
Type C-2 machines are available as
plain, semiautomatic, or roll grinders.
"One-lever
on semiautomatic.
Catalog No. 1864 provides further
details.
” indexing mechanism per-
” control of grinding cycle
DIMENSIONS IN INCHES
headstock center diameter 2
table speeds, power traverse, per min.:
hydraulic
mechanical
grinding wheel, standard
nominal length between centers
swivel table adjustment, inches per foot
floor space:
total projection, length:
width:
with
with hydraulic wheel head
regular wheel feed
net weight, pounds
DIMENSIONS IN INCHES
headstock center diameter
grinding wheel, standard
table
speeds, power traverse,
traverse
1 4"
swing
1
8"
swing
per min. (approx)
nominal length between centers ▲
3 to 240 (lengths
6
to
92, all lengths
30 x 3 x 1 2
36
3 A
149
86
100
17,400
1 8,000
2 Vi
30 x 3 x 12
3 to 120
48
2 !o
173
86
100
1 8,400
19,000
48
72
up
to 1 20" only)
72
214
221
86
100
20,400
21,000
96
96
1 H
269
86
100
22,400
23,000
120
120
1 A
317
86
100
24,400
25,000
144
1 3
/s
365
86
100
26,400
27,000
144
168
l'/t
413
86
100
28,400
29,000
168
swivel
table
adjustment, inches per foot
floor space,
total
projection:
net weight, pounds
AAlso available in 192, 216, 240-inch lengths.
length
width
18"
24"
3 3
204
121
29,146
29,746
2 V*
/a
252
121 121
31,246
31,846
2 Va
300
33,346
33,946
2
348
121
35,446
36,046
114
396
121
37,546
38,146
iK
444
121
39.646
40,246
The 16" Type C Roll Grinder is par
ticularly efficient for grinding either
concaved or canvexed rolls, especially
the hardened steel type for the finest
quality cold rolling processes,
grinds to extremely close limits for
accuracy and duplication of contour.
The tilting wheel head mechanism
which moves the grinding wheel con
tact point away from or toward the
axis of the roll as the roll is traversed
past the wheel face is a specially
important feature to the exceptionally
quality of work produced by the
^Bbine.
^Klog No. 1165 provides full details.
DIMENSIONS
It
IN
INCHES
headstock center diameter
table speeds, power traverse, per min.:
mechanical
grinding wheel, standard
2
6 to
92,
all lengths
30 x 3 x 1 2
nominal length between centers
swivel
table
adjustment, inches per foot
floor space:
total projection,
width: with regular
with hydraulic wheel head traverse
net weight, pounds
length:
wheel
feed
48
2K
173
86
100
21,000
72
214
221
86
100
*>4,000
96
i H
269
86
100 100
2 >,000 32.00030,000
iA
317
86
100
120
13A
365
86
t^Tortonw
GRINDERS & IAPPERS
144
168
VA
413
86
100
36,000
9
Page 10
NORTON
special cylindrical grinders
full automatic cylindrical
grinder — type CTU
This machine grinds concentric cylindrical parts at
consistently high rate. The results that ordinarily
depend on operator skill and dexterity are obtained
in the Full Automatic mechanically. The machine
is set to function in the shortest time feasible for the
stock removal and finish requirements involved and
it repeats in this time for each piece. Automatic
wheel truing which is standard, and other special
arrangements which are available at extra cost, step
up the productiveness of the machine. Further de
tails are given in Catalog No. 1468.
DIMENSIONS IN INCHES
grinding wheel, standard
floor space:
length
width
net weight, pounds
N
ote
: This machine is adaptable for small cylindrical
parts which may be supported and driven from center
holes to fulfill requirements for concentricity.
30 x 3 x 12
1 24
1 1 2
10,600
semiautomatic heavy duty
multi-wheel grinder — type CM-1
This machine grinds line-diameters simultaneously
in a single, automatic plunge grind. Automatic fea
tures and fast action of the machine give high output
with little effort or skill. The automatic grinding
cycle operates under simple “one-lever
An automatic truing device mounted in back of the
grinding wheels trues all wheels simultaneously on
touch of a pushbutton—and trues
wheels in combination. Normally, individual truing
units true each wheel, and all wheels in the set-up,
straight and formed, are trued together as the device
is traversed hydraulically only a distance equal to the
widest wheel. Compensation for wheel diameter
reduction resulting from truing occurs automatically.
The heavy grinding wheel spindle takes multiple 36"
diameter wheels between bearings to a maximum
over-all span of 30" including spacing collars. Grinding
wheel change involves no disturbance of wheel spindle
bearing adjustments.
The machine makes possible important cost-savings
by producing a group of precisely finished line-diam
eters in approximately the time of a single-diameter
grind. Catalog No. 1550 gives further data.
Power assist loading mechanisms are available.
” control.
straight and formed
—
Page 11
NORTON
cam, shape
built-in
operating
skill
and crankpin grinders
pages 11 —
IS
Page 12
NORTON
CAM-O-M
ATI C® automatic cam contour grinder no- 3
CAM-O-UNIT® semi-automatic
cam contour grinding
equipment
Page 13
cam
and shape grinders
built-in
operating
skill
This machine grinds contours on automotive-type
camshafts to highest quality standards at lowest
costs. Its automatic functions assure consistent,
high output and simplify operating duties to the
point where an operator can tend two or more
machines.
An automatically controlled work speed arrange
ment aids production and quality by providing
two work speeds while each cam contour is being
ground. The higher speed is the optimum rate
for rapid stock removal, and the slower is the best
rate for accuracy of contour and fine finish. Quality
of finish is also aided by an all-timing-belt work
drive which produces extremely smooth work
rotation by eliminating slippage.
Important advantages aiding output also come
from an Automatic Wheel Guard Type Truing
Device. This eliminates manual effort and goes
into operation immediately after the last contour
on the camshaft has been ground. With this
machine there is no delay or interval before truing
for special positioning of any component.
A patented feature of this machine permits grind
ing tapers on cams in either one or both
directions. Catalog No. 191.
CAM-O-MATIC® automatic cam contour grinder no. 3
DIMENSIONS IN INCHES
nominal swing over rocking bar
grinding wheel, standard
(W = width
lift of cam, max
to
suit cam)
5 diameter
1 V* diameter
24 x W x 18
nominal length between centers
floor space, total projection:
weight, domestic shipping, pounds
■ With electrical cabinet door closed.
length 1 28
width ■ 84
26 30
15,500
131
84
1 5,600
40
152
84
1 5,900
For semiautomatic grinding of cams or special
shapes, Norton CAM-O-UNIT Mechanisms ap
plied to Type CTU Semiautomatic Grinders,
provide excellent, low-cost service. As with the
CAM-O-MATIC Grinder No. 3, the contour is
produced by swinging the work as it revolves
by means of a master cam in contact with a roller.
Some types of cams are held on arbors or fixtures
on the master cam spindle. Others, such as
automotive-type camshafts, are carried on centers
—
one center being in the master cam spindle and
the other in a footstock clamped to the rocking
bar (swinging member),
CAM-O-UNIT Mech-
anisms are exceptionally sturdy and enduringly
accurate. In addition to being suitable for a wide
variety of cams and shapes, these mechanisms
^are especially efficient for certain operations on
jet engine blades.
CAM-O-UNIT® semiautomatic cam contour ginding
equipment
DIMENSIONS IN INCHES
capacity
swing
4 ■
5
6 ■
Attachments and machines also available for grinding distributor cams
and compound and complex relief in pistons.
■ On this size, piston relief may be ground—depending on size of work.
length
7
18, 24
36
48, 60
8
lift
h
Vi
Vi
Vi
’
/z
for Norton cylindrical
grinder, type CTU, size:
6 x 18
10 x 36
10 x 48
10 x 72
10x18
^NORTON}
GRINDERS 3 LAPPERS
13
Page 14
AUTOMATION
For high production, lowest cost grinding and lapping opera
tions on many type of parts required in large quantities,
Norton Company provides several automatically functioning
machines—as well as arrangements which automate other
Norton machines. These produce
at high rate with a minimum
of attention or effort.
The speedy consistency with which this equipment performs,
produces substantial savings in time and costs over results
which can be obtained with conventional machines. It also
provides the additional benefit of conserving skills for other
tasks.
The
Norton Transfer Type Crankpin Grinder (shown below);
the Type CTU Full Automatic (page 10), and the Thru-Feed
and Automatic Continuous Feed Arrangements available for
HYPROLAP® High Production Lapping Machines (pages
26 and 27) are notable examples of Norton accomplishments
in this field.
NORTON
TRANSFER TYPE crankpin grinder
This Norton “
Machine provides the most advanced equipment for grinding
crankpins automatically. It eliminates the manual duties of the
operator in inserting, clamping, adjusting, controlling, gaging and
removing the
these functions are automatic and continuous.
This complete handling and grinding cycle is repeated at each
station as the crankshaft proceeds
station to the next and finally to the conveyor
Automatic truing of the grinding wheel at predetermined intervals
is an additional advantage. Wheels may be trued after
grinds to obtain the best wheel economy. Compensation for re
duced wheel diameter after truing also occurs automatically.
The machine is built in sections. Each base section supports two
grinding wheel heads and two pairs of work heads
motor and grinds two crankpins. Each grinding wheel head carries a
42
” diameter wheel. Catalog No. 1837 gives additional information.
First”—
crankshaft
the Transfer Type Crankpin Grinding
from the grinder. In this machine, all of
along
the line from one grinding
line.
one
driven by a single
14
or
more
DIMENSIONS IN INCHES
length between work heads
A conventional, manually operated crankpin grinding ma
chine—the Model D-86 CRANK-O-MATIC® Crankpin
Grinder—is also available.
grinding wheel, standard
sections required:
6 cylinder shafts
8 cylinder (in-line) shafts
swing
V-8 shafts
42 x pin width x 12 hole
established for
crankshaft ground
two sections
three sections
four sections
Page 15
crankpin
grinders
built-in
operating
skill
CRANK-O-MATIC®
crankpin grinder — type CTU
This machine rapidly grinds the pins of smaller type
crankshafts such as those of compressor units and
outboard motors. Easily
work holders clamp automatically and automatically
stop in the most convenient position for unloading.
Work holder efficiency and the speedily accurate
rotating-screw type automatic feed, combine with
simplified operating features to provide high output
at low cost. The automatic grinding cycle functions
under “
one-lever
centralized as it feeds down the shoulders by short
movement of a convenient lever. Automatic wheel
truing to further simplify operation, is available at
extra cost. The machine is available in 10
CTU and 10
Special features — NORTON cylindrical grinders
loaded,
synchronously driven
” control, and the grinding wheel is
“ Type LCTU sizes.
“ Type
wheel spindle unit
The Norton wheel spindle unit, a feature of Norton cylindrical
grinders, is of major importance in the enduring precision of these
machines. It is rugged for heavy stock removal—yet precise for
close tolerances and fine finishes. Over 50% of the spindle body is
enclosed in two long, hard bronze
construction gives extreme resistance to deflection by wheel pressure
and to other conditions that reduce efficiency. The spindle, specially
toughened
no shifting is possible.
The performance of the spindle unit is further increased by three
important factors: flood
self-contained within the wheelslide, minute oil clearances, and
modern precision boring of spindle bearings.
to improve wear qualities, remains on its fixed center line;
lubrication
bearings
which
of
super-duty size. This
is
automatic, filtered and
automatic truing device—wheel guard type
This automatic truing device, optional on Norton
cylindrical grinders, finds wide application in all types
of cylindrical grinding. This accessory performs
angular, step or straight wheel face truing with excep
tional efficiency. It functions automatically from a
push-button control. This truing device thereby
relieves
leaves the operator free to perform other duties
such
This truing device and many other optional accessories
enable
tain special grinding operations and to increase their
efficiencies in general work. Catalog
the operation burden normally involved: it
as
preparing the next workpiece or loading.
Norton cylindrical grinders to accomplish cer
No.
1977 applies.
{NORTON}
GRINDERS & LAPPERS
—
15
Page 16
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easy
to set-up ••
NORTON tool and cutter grinders
easg/ to
operate
pages 16-18
Page 17
NORTON
tool and cutter grinders
tool and cutter grinder no. 1
easy
to set-up ■■
easy to
operate
This hand table traverse machine may be arranged
with the bare essentials for sharpening cutters and
reamers supported on centers only. It may also be
arranged as a universal machine suitable for a wide
variety of cutter grinding, or for surface, cylindrical
and internal work usual to machines of this type.
It provides for quick and easy setup of a wide
variety of work. Operation is by dual controls in
front or rear, left or right. Catalog No. 1034 gives
additional details.
DIMENSIONS IN INCHES
capacity, work swung on centers: diameter
length:
wheelhead swivel
workhead swivel:
swivel table graduations, inches per foot
floor space
net weight, pounds
with universal workhead
with left-hand
footstock
horizontal
vertical
10
15!4
1 9 V
a
360
’
360°
200°
to
up
54 x 68
1150
3
tool
and cutter grinder no. 2
This machine features smooth traverse of table by
hydraulic power—also easily operated, sturdy two-
speed traverse of the table by hand. Design high
lights are: cartridge type wheel spindle with gen
erously proportioned end thrust; long, wide saddle
ways; conveniently located operating mechanisms.
The machine is accurate and dependable in opera
tion, inexpensive and easy to maintain.
No. 858 provides further information.
DIMENSIONS IN INCHES
capacity, work swung on centers: diameter
length:
wheelhead swivel
workhead swivel:
swivel
table graduations, inches per foot
table speed, hydraulic, per minute
floor space
net weight, pounds
■ This capacity is slightly reduced when machine is arranged for wet grinding.
with universal headstock
with
left-hand footstock
horizontal
vertical
Catalog
12
28 ■
31 VaU
360 3
360
3
200 3
up to 2 Vi
4 to 300
52 x 87
2500
^NORTONp
GRINDERS S LAPPERS
17
Page 18
NORTON
cutter and tool grinder no. 20
tool and cutter grinders
b
This is a hand-operated, anti-friction bearing table
machine that offers superior versatility—due to its
tilting wheel head feature. Wheel head tilts 15° either
side of zero in a vertical plane; it may be swivelled
360° in a horizontal plane. Other features are: integral
motor cartridge type spindle; duplicate controls which
permit, with equal convenience, operation from the
front or either side of the machine. A wide variety
of attachments is available to enable the machine to
handle many special jobs. Catalog No. 189 provides
additional information.
DIMENSIONS IN INCHES
capacity, work swung on centers: diameter
length
capacity:
wheelhead:
table movement, longitudinal
floor space
net weight, pounds
with
with left-hand foofstock
tilt, either side of zero
NORTON BURA-WAY® single point tool grinder no. 2
headstock
swivel
plain
universal
12
24'/
2
27
360°
15°
20
72 x 79
2400
2600
This machine assures exact tool form duplication. It
uses a master template or cam generated from a master
tool. By this accurate mechanical means, the machine
produces in the production tool exact duplication of
the master tool.
The machine is generously proportioned throughout.
Its wheel spindle is exceptionally rugged. Conse
quently, this machine produces a quality of tool finish
that assures maximum performance and tool life. It
is especially recommended for grinding carbide-tipped
tools. Catalog No. 220 gives further particulars.
DIMENSIONS IN INCHES
capacity, convex single point cutting tools up to
spindle oscillation:
rakes ground in universal tool holder:
range:
floor space
net weight, pounds
■ Universal
capacity.
rake
grinding fixture available as
maximum positive
positive and negative side rake
rate per minute
negative
extra
back
back
—
total
rake
rake
provides
greater
2 (square)
'/z
115
10°B
0° up
0° up
41 x 47
2200
back rake
Page 19
' ■
*
save more
$$$
Page 20
NORTON
10" universal
grinder
12" universal grinder — type U-4
10" and 12"
The Norton 10" and 12" universal grinders provide
unusual flexibility for handling a wide range of jobs.
They are particularly easy to set up and operate—a
feature which provides important savings on many
normally time-taking jobs.
The headstock spindle has a conventional dog drive
plate on one end and a camlock spindle nose on the
other. This camlock nose takes many types of jaw
and speed chucks. Where much chucking of the work-
piece is required, setup is greatly simplified by leaving
the chuck on the spindle and merely swiveling the
head when required.
The headstock spindle accommodates a bar clear
through. Therefore, a workpiece longer than the
machine may be ground by chucking at one end and
allowing the rest of the piece to pass through the
headstock.
The internal grinding spindle, driven by a separate
motor, is a quickly-positioned, hinged-bracket type.
It is therefore possible to swing the internal spindle
up out of the way when doing external grinding—or
to position it quickly for internal grinding. The com
pound swivel arrangement of the wheelslide enables
the operator to set the wheel at any angle and to feed
at any angle. Catalogs No. 170 (10") and No. 231
(12") give further details.
DIMENSIONS IN INCHES
headstock center diameter %
headstock swivels 360°
wheel head swivels 90°
(each way)
table speeds, hydraulic traverse:
number infinite
range,
per minute
nominal swing
nominal distance between
centers
swivel table adjustment, inches per foot
floor space
net weight, pounds
3 to 144
20-24
3
75V
75Vi x 110 (24)
4000 (20)
4200 (24)
10
10
2 x 89 (20)
1 Vs
360°
90°
infinite
2 to 240
12
36-48
4
68'/
2 x 175'/
68
Vi x 199'/
7870 (36)
8650 (48)
12
2 (36)
2 (48)
Page 21
universal
grinders
more jobs--
save more
■
i
do
14" and 16" universal
grinders —
type C
Norton Type C Univei'sal Grinding Machines
handle external, internal, face or angular wheel-
slide operations with equally high efficiency.
They are available in either 14" or 16" swing
and in work length sizes of 36", 48" or 72".
These machines are particularly suitable for mis
cellaneous, general production, or tool room work
where the diversity of jobs requires a universal
machine. They are designed for maximum op
erating ease and convenience with controls closely
grouped at fingertip levels. Rigid quality stand
ards maintained in their construction assure fine
service with a minimum of maintenance. Rough
cuts are accomplished as satisfactorily as finest
precision finishing. Catalog No. 1668 provides
further information.
features of NORTON
TO" and 12" universal grinders
4.
^ U - >-■
DIMENSIONS IN INCHES
headstock
table speeds, hydraulic traverse:
nominal length between centers
swivel adjustment
inches per foot on diameter
floor space:
net
weight, pounds
A With lever
type
center
headstock swivels
wheel head swivels
range, per minute
degrees, included angle
footstock.
;
___
;
-
*
'
\Z
diameter
number
length A
width
14" swing
16" swing
f
VA
360
c
360°
infinite
7 to 1 44
36
2%
13
127
68
7200
7300
7
48 72
2 Vt
11
151
68
8100
8200
*
;
1 V
BVi
199
68
9500
9700
a
Chucks may be left
mounted on one end
of the headstock.
•5*
*
Hollow headstock spindle
increases capacity for
grinding long bars.
Hinged-bracket type in
ternal grinding spindle
greatly speeds setups.
<
NORTON,p
GRINDERS S LAPPERS
21
Page 22
• ■■■'
!
accuracy
speed and
economy
with NORTON surface grinde0
pages 22-24
Page 23
NORTON
surface
grinders
accuracy
speed and
economy
8"
hydraulic
Of the reciprocating table type, this surface grinder
is equipped with hydraulic and hand table traverse;
with automatic hydraulic and hand cross feed. It
may be furnished with a cartridge spindle of the
plain bearing, ball bearing or integral motor type.
Available as extras: chucks of permanent magnet
or direct current type; wet grinding attachment;
individual dust exhaust system. Catalog No. 954
gives additional data.
DIMENSIONS
vertical distance, table top to
vertical movement of
wheel, no. 1 straight:
table speed, standard, feet
feeds:
floor space
net
surface grinder
IN
with
integral
weight, pounds
INCHES
wheel
head
with belt driven
motor spindle, 60 cycle,
per
wheel bottom
spindle,
minute,
up
to
max
max
vertical
cross
10 V
8
x
7
x
50
hand
hand, automatic
51 x 73
2000
1014
a
(
Zi to Va) x 1 !A
('/t to Va) x 1 V
a
This surface grinder, arranged for both hand and
hydraulic table traverse and cross feed as standard,
accurately produces plane surfaces on work within
its capacity. It is smooth and speedy in operation.
Controls are conveniently placed. Maintenance
points are easily accessible. Available as extras:
f
magnetic chucks, individual dust control, wet
grinding attachment.
Catalog No. 190 provides
further particulars.
r
DIMENSIONS IN INCHES
capacity:
vertical distance, table top to wheel bottom
vertical movement of wheel head
wheel, no. 1 straight
table speed, standard, feet per minute:
feeds:
floor space
net
weight, pounds
infinitely variable, up to
length
width
vertical
cross
24
8
1 2Vr
M 'A
10x1 x 3
70 ft
hand
automatic
61 x 94
3000
NORTON
GRINDERS ft LAPPERS
fr 23
Page 24
I
NORTON
IO
#/ hydraulic surface grinder
surface
grinders
This is a heavy duty reciprocating table-type machine. Table
reciprocation is accomplished hydraulically. Automatic and hand
cross feed arrangements are supplied. Wet grinding attachment
complete with pump and tank included as standard equipment.
Magnetic chucks and individual dust exhaust systems available
as extras. Catalog No. 1745 gives further details.
four sizes
DIMENSIONS IN INCHES
vertical distance, table top to
table speeds, adjustable up to
nominal length
floor space:
net weight, pounds
■ For machines equipped with magnetic chuck, add 5V
wheel,
wheel bottom
width 10
(approx)
no. 1 straight
length ■ 98
width 67
13
1 00 ft per minute
10x1/2x3
24
7450
36 48
1 22
67
8250
146
67
9100
a
60
170
67
10,050
in.
The illustrations at left and below show the special arrangement
of this machine for die grinding. Note that die surfaces can be
ground without removing the guide posts, otherwise known as
guide or liner pins. A special table, wheelslide, wheel guard and
a 20" diameter grinding wheel are provided in this arrangement.
Page 25
quality
Page 26
NORTON
H YPROLAP®
high production
lapping machine — No. 12-F
The No. 12-F is a high output, parallel face flat lapping
machine for small work, and is equipped with bonded abra
sive laps. It is available in three arrangements: plain, timed
cycle; automatic continuous feed; semiautomatic continuous
feed. All three provide fast lapping and the continuous
arrangements provide in addition, the production benefits
of continual operation with only a brief occasional interlude
for lap dressing. With all arrangements, the machine pro
vides selective lap speed and selective work holder speed.
This gives flexibility, permitting precise setting of ideal
speeds for each job. With all arrangements the cleanliness
of the finished surfaces—particularly on parts of soft metals
—
eliminates the need for cleaning operations, with resulting
savings in time and costs.
DIMENSIONS IN INCHES
work capacity:
laps:
floor space (approx)
net weight, pounds (approx)
thickness x
longest
dimension
diameter
width of
face
'/4 X 7l
1 2
3
84 x 48
3500
HYPROLAP®
high production
lapping machine — No. 26
An extremely fast cutting machine for flat or cylindrical
lapping using bonded abrasive laps and filtered coolant. For
flat lapping of two parallel faces, three arrangements are
available: plain, timed cycle—semiautomatic continuous feed
—
or automatic continuous feed. For cylindrical lapping
the plain, timed cycle is furnished.
The machine is ruggedly proportioned for long service at
low cost. Lapping pressure is hydraulic-powered and con
trolled—an exclusive Norton feature. Catalog No. 852 gives
additional details.
DIMENSIONS IN INCHES
work capacity:
laps:
distance between standard laps, max
floor space:
net weight, pounds
flat (thickness x longest dimension)
cylindrical (diameter x length)
width of face
length x width
diameter
height
3 x 7 V.
3 x 7'A
26
7Vi
4
72 x 102
88
8500
2
Page 27
lapping
machines
improve
your product
quality
HYPROLAP
high production
lapping machine — No. 36-F
This machine provides the means for obtaining substantial cost
reduction in performance of single face flat lapping operations
especially on parts of soft metals such as cast iron, magnesium and
aluminum alloys. Flat lapping is faster with the No. 36-F and is
:
cleaner due to the efficient abrading action of the bonded abrasive
lap which is flooded with filtered coolant during lapping. The
coolant washes away metal removed and leaves finished work clean
and free from grit. Three arrangements of the No. 36-F are avail
able: plain, timed cycle: automatic continuous feed, and semi
automatic continuous feed. With automatic and semiautomatic
continuous feed arrangements the high output action stops only for
infrequent dressing of the abrasive lap. Catalog No. 1665 provides
additional information.
DIMENSIONS IN INCHES
work capacity:
laps:
floor space (approx)
net weight, pounds (approx)
HYPROLAP
largest
piece
in
largest individual piece
high production
multiple
width of face
diameter
(3)
1 1 diameter
36 diameter
up
to
36
up to 10
84 x 103
6500
—
lapping machine — No. 48-F
The No. 48-F, available for
operations, provides for work within its capacity, the same important
HYPROLAP Lapping Machine advantages of all models in this
series. Machine design assures enduring dependability and accuracy
in lap drive, which with the combination of bonded abrasive laps
and filtered coolant results in benefits of (ai rapid lapping action
with increased output, (b) finished parts ready for use. ic) elimina
tion of costly washing operations and (d) easier visual work inspec
tion because of the bright surfaces produced. The machine is
available in the following arrangements: plain, timed cycle: auto
matic continuous feed, and semiautomatic continuous feed. Catalog
No. 1954 provides further details.
either
single or parallel face flat lapping
DIMENSIONS IN INCHES
work capacity:
laps:
floor space (approx)
net weight, pounds (approx)
HYPROLAP high production
largest
piece in multiple
largest individual piece
width of face
(3)
diameter
1 4
48
48
14
144 x 120
1 6,000
lapping machine — No. 60-F
This machine with bonded abrasive laps for single face flat lapping
is available in three arrangements: plain, timed cycl
matic
continuous
tional performer particularly on soft metals where it produces a
clean, finished surface free from embedded grit. This enables safe
feed
—
or automatic continuous feed. It is a sensa
lapping of soft metals to provide seal surfaces, wear surfaces or
surfaces for drilling or milling, and there is no need to clean after
lapping. Catalog No. 4S9 gives further information.
DIMENSIONS IN INCHES
work capacity:
laps:
floor space (approx)
net weight,
pounds
(approx)
largest piece in multiple (3)
largest individual piece
diameter
width of face
semiauto-
24 diameter
60 diameter
up
to
60
up
to 22
78 x 128
9000
^NOSTONj?
GRINDERS & LAPFERS
27
Page 28
NORTON
lapping
machines
plain, timed-cycle lapping machine —
type 16FC
The Norton 16FC lapper handles, with outstanding capability, such
work as diesel injector parts, plug gages, size blocks, the sides of small
ball bearing races, and rolls for roller bearings. It produces, in either
flat or cylindrical work within its size range, a high degree of dimen
sional accuracy, parallelism and finish. Catalog No. 212 provides
further information.
DIMENSIONS IN INCHES
work capacity:
laps:
floor space
net weight, pounds
plain, timed-cycle lapping
flat (thickness
cylindrical (diameter x length)
distance between standard laps (max)
x
longest dimension)
diameter
width of face (max)
machine
3x5
3x5
8, 14, 16, 18
2, 3, 4, 5
3/2
27 x 35
1 300
no. 28
This machine is designed to produce flat or cylindrical surfaces within
extremely close tolerances and with a high degree of finish. Constructed
to use cast iron laps in conjunction with loose abrasive and with a
suitable lubricant or vehicle. Arrangements of the machine for flat
or cylindrical work are slightly different. An attachment for cylin
drical lapping is furnished with the regular flat lapping machine. A
special arrangement for hand lapping using a 30", 36", or 40" cast
iron laps is available. Catalog No. 1474 gives further details.
DIMENSIONS IN INCHES
work capacity:
laps:
floor space (approx)
net weight, pounds
■ Not adjustable, arranged
flat (thickness x longest dimension)
cylindrical (diameter x length)
width of face, up to
distance between standard
speed of lower lap|
to
suit job.
diameter
laps, max
4x9
4x9
24, 26, 28
9
45 to 65 rpm
4V
a
48 x
72
2500
SIMPLEX surface finisher no. 12
This machine surface finishes by use of flexible coated abrasives. This
highly efficient machine of simplified design handles small crankshafts
for refrigerator compressors and outboard motors, eccentric and
centric cylindrical members of short camshafts, journals and seal
surfaces on many cylindrical objects. Catalog No. 217 gives addi
tional particulars.
DIMENSIONS IN INCHES
work capacity:
bearing finished, width:
bearing surface finished,
reciprocation, max
floor space
net weight, pounds
center
to
work length, overall
center:
diameter
max
min
min
Zl to 2/2
to 1 2
3
%
1 '/4
Z
57 x 37
1200
con-
b
c
Page 29
increase
output
with NORTON
special purpose machines
and reduce
costs
pages 29 — 31
Page 30
NORTON
I
Compound Contour Jet Blade Grinder • for production
grinding the external airfoil surface of buckets, blades, vanes
or nozzles. Machine makes possible positive control of
contour and produces extremely fine finish.
Strut Grinder • for grinding aircraft landing gear struts
or parts which, because of irregular shape, cannot be handled
on conventional sizes of cylindrical grinders. Four sizes:
26" and 80" or 32" and 86" swing; lengths 72" and 96".
Propeller Hub Grinder • grinds external surfaces of
propeller hubs with highest efficiency. Holds blade in
vertical position, thus avoiding inaccuracies due to deflection.
Norton Special Purpose Grinders are engineered
to reduce costs in grinding a specific part. They
do this by providing a better method in terms
of easier loading, simplified operation, or by
speeding the actual grind. In many cases
they provide these advantages combined—but
in all cases they deliver production benefits
in the particular job beyond those to be ob
tained from conventional machines.
42" x 72" Universal Jetpart Grinder • heavy-produc
tion machine equipped with universal features necessary for
jet engine component work. Has heavy production-type
swiveling wheelslide, massive base, sturdy work-supporting
units. Outstandingly
efficient and dependable.
30
42" Semiautomatic Hi-Swing Chucking Grinder • in
corporates special features that simplify grinding operations
on jet engine compressor wheels or other chucking work.
Work head swivels, has longitudinal and cross adjustments,
has longitudinal power traverse.
Page 31
special
purpose
grinders
increase
output
and reduce
costs
Type CMS-1 • Semiautomatic Multi-Wheelslide Grinding
Machine provides independent unitized wheel slides which
are set to desired angle for high production grinding of
multi-diameter jobs with shoulders.
Double Head Distributor Cam Grinder • grinds rapidly,
semiautomatically. Optional features of automatic truing
and finished workpiece ejection increase normal, high output
of machine.
6" x 8" Semiautomatic Piston Grinder • provides
high production at low cost in grinding pistons elliptically.
The automatic grinding cycle sustains high output.
Semiautomatic Valve Grinder • for grinding faces of
automotive or aircraft type valves having face angles from 0
to 62] o
up to
0, face diameters of iV* to 3j>" and stem diameters
jNCRTONfr
GRINDERS a LAPPERS
31
Page 32
Changes in Specifications
The descriptions, illustrations and specifica
tions in this catalog are correct for machines as
built at the time of printing. Machines built at
later dates may differ due to the policy of Norton
Company constantly to improve its machines.
Weights
Because of variations in equipment and cast
ings, exact weights cannot be given. Weight
approximations given are in pounds and motor
weights are included.
\
Machine Division Representatives
Machine Lease and Purchase Financing
Programs
If the cost of replacing obsolete equipment
with new machines is delaying your plans for
modernization, investigate the Norton Machine
Lease Program—three tested plans that enable
you to modernize while conserving your capital.
Or look into the Purchase Financing Plan, under
which you may take up to five years to pay for
income-producing equipment. And remember,
only Norton offers you such long experience in
both grinding machines and wheels to help you
produce more at lower cost.
Alabama
Birmingham
California
Son Francisco
Los Angeles 22,
San Jose 26,
Colorado
Denver 17, Mine & Smelter Supply Co., 17th
Florida
Or/cndo,
Georgia
Atlanta A, J. R. Walraven, 1241 Fairview Road, N.E.
Illinois
Chicago 6,
Boulevard at Jefferson
Indiana
Indianapolis 20, G. A. Richey & Sons, 1050 Broad Ripple
Louisiana
New Orleans 12, Stauss & Haas, 524 Camp Street
Shreveport, Peerless Supply
Michigan
Ferndale 2, Motch & Merryweather Machinery Co.
23520 Woodward Avenue
Missouri
Kansas City 6, English Brothers Machinery
St. Louis
Minnesota
Minneapolis A, The
Nebraska
Omaha 8, Interstate Machinery & Supply Company, 1008 Douglas Street
New York
Buffalo
Rochester 1A, F. W. Schiefer Machinery Co.,
Syracuse 1, J. F. Owens Machinery Co., 1810 Erie Boulevard, East
7, The
Young
& Vann Supply
9,
Moore Machinery Co., 700 Minnesota Street
Moore
Moore
Harry
Marshall
Machinery
Machinery Co., 656 Stockton Avenue
P. Leu, Inc., P. O. Box 2513
&
Huschart Machinery Co., 571 Washington
Co.,
1725 First Avenue
Co.,
3200 Garfield Avenue
at
Blake Street
Avenue
Co.,
Inc., 701 Spring Street
Co.,
8,
Blackman & Nuetzel Machinery Co., 3713 Washington Ave.
Satterlee
7,
Rudel Machinery Co., 1807 Elmwood Avenue
Co., 2200 East Franklin
410 West Fifth Street
Avenue
39
State Street
North and South Carolina
Greensboro, North Carolina, Jeffreys Engineering & Equipment Co.
Guilford Building
Ohio
Cincinnati 2, Motch & Merryweather Machinery Co.
First National Bank Building
Cleveland 13, Motch & Merryweather
W. 3rd and Lakeside Avenue
Dayton, Motch & Merryweather Machinery Co.
1305 American Building
Oregon
Portland 12, Harry M. Euler Company, 2811 N.E. Glisan Street
Pennsylvania
Wynnewood
325 East Lancaster Ave.
Pittsburgh 22, Motch & Merryweather
1315
Texas
Dallas, Greene Machinery Co., 6300 Wyche Boulevard
El Paso, Mine & Smelter Supply Company
1515
Houston 1, Steel & Machine Tool Sales Company
P.
Utah
Salt Lake City 1,
121 West
Virginia
Newport News, Noland Company, 2700 Virginia Avenue
Roanoke 1, Noland Company, 1226 Center Avenue, N.W.
Washington
Seattle A, Star Machinery Company, 241 Lander St.
Spokane, Star Machinery Company, E. 415 Sprague Avenue
Washington, D.C.
Wynnewood, Pa. Machinery Associates, Inc.
325 East Lancaster Avenue
Hawaii
Honolulu, Honolulu Iron Works Company, Territory of Hawaii
New York Office, 165 Broadway, New York 7
O.
Clark
Uth
Box
(Philadelphia
Building
Street
1716
Mine
Second,
Machinery
Area),
Machinery
Machinery
& Smelter Supply Co.
South
Co.
Associates, Inc.'
Co.
Machine Division Offices
Worcester 6—New Bond Street
W. Hartford 7 1007 Farmington Avenue
Cleveland 3—1306 East 55th Street
Detroit 8—5805 Lincoln Avenue
..................
...........
....................
, .PLeasant 2-4641
.
.. ADams 3-6462
HEnderson 1 -9500
...TRinity
5-8991
Other Norton Products
Abrasives, Grinding Wheels, Refractories, Non-Slip Floors, NORBIDE© Products, Encapsulating
NORTON
Worcester
Form 1 843-1
5P-8-55-12M5-CP
COMPANY
6, Massachusetts
Printed in United
States
of
America
Chicago 32—4737 So. Christiana Avenue.
New York Area
Teterboro, New Jersey
New York
—
Green
.................
Machines
EXPORT:
and North Streets
.................
Norton Behr-Manning Overseas Inc.
Worcester 6, Mass., U.S.A.
Cable Address: NORBEMO, Worcester
Representatives in all principal cities of the world
.................
LAfayette 3-8700
Hasbrouck Heights 8-1771
.......................
BRyant 9-6170
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