NORTON 10 X 72 CTU 25140

10 x 72 NORTON CTU PLAIN CYLINDRICAL GRINDER
S/N 25140 Year: 1953

STANDARD CATALOG SPECIFICATIONS
Nominal length..................................... 72
Nominal swing...................................... 10
Maximum diameter work ground, w/30 wheel.......... 10

GRINDING WHEELS
Standard...........................................30 x 3 x 12

WHEEL AND WORK CENTER DISTANCES:
Maximum.........(10) 21Minimum............... (10) 8 1/4
Automatic rapid advance stroke (max)............... 4
(On semi-automatic machines)

STEADY REST:
Maximum work diameter accommodated................. 4 5/8
Swivel table adjustment (in/per/ft on dia.):
Machine length..................................... 72
Maximum taper (inches)............................. 1 1/2
Maximum taper (degrees)............................ 3 1/2

Note: Actual tapers ground depend on wheel diameter,
work diameter and length, also on the location of
the taper with reference to the pivot point.

HEAD STOCK
Center diameter.................................... 1 3/4
Center taper....................................... No. 14 Jarno
Work speeds, AC Motor (10 C-5).......... 50-80-125-200 RPM
Work speeds, DC Motor (w/1 belt change)............ 30-275 RPM

FOOT STOCK
Center diameters................................... 1 3/4
Center taper....................................... No. 14 Jarno

WHEEL SPINDLE
Large bearing (L.H.)..................... 3 1/2 x 8 5/16
Small bearing (R.H.)..................... 3 1/4 x 7 1/8

TABLE
Range of speeds (in/per/min)....................... 2 - 240
Number of speeds................................... Infinite

EQUIPMENT FEATURES
Head stock dead center type, including No. 14 Jarno center
(1 3/4 Diameter).
Foot stock, lever type, including No. 14 Jarno center
(1 3/4 Diameter).
3 3/8 face, straight side wheel.
Hydraulic table traverse.
Single speed hand table traverse with interlock.
Swivel table.
Adjustable dwell control.
Automatic force feed lubrication to table and gravity feed to wheel slide ways.
Automatic filtered wheel spindle lubrication.
Steel tape-type base way covers.
Hand grinding wheel feed.
Automatic work start and stop.
Wheel speed safety control.
Work drive motor, 1 HP, 1200 RPM AC, totally enclosed ball bearing with control.
Wheel drive motor, 15 HP, 1800 RPM AC, totally enclosed ball bearing with control.
Oil and lubricating pump drive motor 1 1/2 HP.
Automatic grinding cycle.
Adjustable rapid hydraulic wheel head advance with automatic cushioning.
Adjustable automatic rotating screw-type grinding wheel feed with dwell.
Automatic rapid wheel head retraction.

Specifications are deemed accurate, however, subject to verification or prior sale.
All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs.

If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.