Norton 10 x 72 CTU PLAIN CYLINDRICAL GRINDER

10 x 72 NORTON CTU PLAIN CYLINDRICAL GRINDER
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") 21" Minimum............... (10") 8 1/4"
Automatic rapid advance stroke (max)............... 4"
(On semi automatic machines)

STEADYREST:
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.
HEADSTOCK
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

FOOTSTOCK
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.

EQUIPMENT & FEATURES
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.