Norton "CTU" CYLINDRICAL GRINDER

14" x 48" NORTON MODEL"CTU" CYLINDRICAL GRINDER
Year: 1968

STANDARD CATALOG SPECIFICATIONS
Nominal lengths.................................... 48"
Nominal swing...................................... 14"
Maximum diameter work ground with 30" wheel........ 10"
Wheel and work center distances:
(Max).............................................. 21"
(Min).............................................. 8 1/4"
Coolant tank capacity (U.S. Gallons)............... 75
Coolant pump capacity (Gallons per Minute)......... 21
Hydraulic oil reservoir capacity (U.S. Gallons).... 38
Lubricating oil reservoir capacity (U.S. Gallons).. 3 1/2"
Steady rest (Maximum work diameter accommodated)... 4 5/8"
Swivel table adjustment (Inches per ft. on dia.)
Machine length............ 48" Maximum taper...... 48"
Maximum taper (Degrees)............................ 4 3/4 Degrees

HEADSTOCK
Spindle diameter................................... 4 1/8"
Center diameter.................................... 1 3/4"
Center taper....................................... No. 14 Jarno
Work speeds, AC Motor.................... 50, 80, 125, 200 RPM
Work speeds, DC Motor.............................. 30 ‑ 275 RPM

FOOTSTOCK
Spindle diameter................................... 2 3/4"
Center diameter.................................... 1 3/4"
Center taper....................................... No. 14 Jarno

BASE WAYS
Width flat way..................................... 2 1/2"
Width of v‑way (projected)......................... 2 1/2"
Lubrication................................... Automatic pressure

WHEELSLIDE
Length of bearing ways............................. 37 3/8"
Width of flat way.................................. 5 5/8"
Width of v‑way (projected)......................... 4 11/32"
Lubrication................................... Automatic pressure
Automatic taped advance stroke (max)............... 4"

WHEEL SPINDLE
Material............................ Heat treated alloy steel
Large bearing (LH).................. 3 1/2" x 8 5/16"
Small bearing (RH).................. 3 1/4" x 7 1/ 8"
Number of speeds.................... 3
Diameter of sheaves................. 14 1/8" ‑ 11 5/16" ‑ 9 9/16"
Lubrication......................... Automatic flood
Reciprocation (when supplied)....... 0" ‑ 3/8"

TABLE SPEEDS
Range of speed IPM................................. 2" ‑ 240"
Number of speeds................................... Infinite

EQUIPPED WITH
Head stock (Dead center)
Tail stock (Lever operated)
Automatic plunge cycle
Hand and hydraulic table traverse
30" Diameter x 9" wide wheel capacity
Coolant
Electrics and controls
20 HP Spindle motor
Tail stock dresser