340-20 TG Cincinnati

340-20 CINCINNATI TWIN GRIP CENTERLESS GRINDER
S/N 6M20HG5T-1    Year: 1967
STANDARD CATALOG SPECIFICATIONS
CAPACITY (Work rest bar grinding fixtures are not
          included as standard equipment.)
Standard thru feed and infeed work rests...... 1/2" 3" dia.
Maximum work diameter......................... 6"
(Depending on which work rest is ordered)
WHEELS (Not included as standard equipment.)
Grinding Wheel                 Regulating Wheel
12" Hole                             6" Hole
20" Width only                    20" Width only
24" Maximum diameter        14" Maximum diameter
16" Minimum diameter        10 1/4" Minimum diameter
GRINDING WHEEL SPINDLE
High grade alloy steel, heat treated, titanium dioxide coated & ground.  Filmatic bearings self adjusting for variations in load with plain thrust bearings in center.  Automatic circulating lubrication under pressure.
REGULATING WHEEL SPINDLE
High grade alloy steel, heat treated, titanium dioxide coated and ground.  Two piece bronze front and rear bearings; anti friction radial and thrust bearing on end.  Automatic pressure lubrication.
REGULATING WHEEL SPEEDS
Number: Infinite
GRINDING WHEEL DRIVE
Enclosed motor on end of machine.............. 40 HP
Constant speed:  N.E.M.A. dim., 50 or 60 cycle, 3 phase,
208 or 575 single; 230/460 dual voltage A.C. drives grinding wheel only.
Power transmission............................ 8 V belts
REGULATING WHEEL DRIVEServo transmission: Infinite
CUTTING FLUID EQUIPMENT
Individual motor driven cutting fluid pump capacity 30GPM
Cutting fluid tank capacity................... 75 gallons
SIZING ADJUSTMENT
Accurate adjustment of regulating wheel slide by in feed hand wheel graduated in fifty millionths of an inch.
Thru feed push button compensation fine and coarse feed.
WHEEL TRUING
Independent truing units for each wheel.  Diamond not included as standard equipment.(Profile both sides.)  Truing units have ball screws and Baldor stepper motors for traverse for grinding and regulating wheel.  Manual diamond advance on both.
DIMENSIONS
Floor space............................. 114 x 158-1/16"
Weight.................................. 25,000 lbs. approximate
EQUIPMENT & FEATURES
AB Panel View 600.
Servo infeed.
Servo transmission.
Trabon lube.
Attached electrical.
Specifications are deemed accurate, however, subject to verification or prior sale.