3-300 TWIN GRIP CINCINNATI CENTERLESS GRINDER

3-300 TWIN GRIPCINCINNATI CENTERLESS GRINDER

S/N 6M12HG5YN-4Year: 1971

STANDARD CATALOG SPECIFICATIONS

CAPACITY(Work rests or bar grinding fixtures are not
standard equipment.)
Standard thru feed in feed work rests........ 13 mm to 76 mm dia.
Maximum work diameter.........................152 mm
(Depending on which work rest is ordered)

WHEELS(Not included in price)
Grinding wheel.................305 mm Hole,203 mm - 305 mm Widths
......................................610 mm Max. dia., 406 mm Min. dia.
Regulating wheel...............6 Hole, 203 mm - 305 mm Widths
......................................356 mm Max. dia., 260 mm Min. dia.

GRINDING WHEEL SPINDLE
High grade alloy steel, heat treated, titanium dioxide coated and ground. Filmatic bearings self-adjusting for variations in load with plain thrust bearing 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
Range...............................60 cycle:11 to 300RPM
......................................50 cycle:12 to 315RPM
Low range........................60 cycle: 11 to 56RPM
......................................50 cycle:12 to 59RPM
High range.......................60 cycle:56 to 300RPM
......................................50 cycle:59 to 315RPM
GRINDINGWHEEL DRIVE
Enclosed motor on end of machine.........30 HP
Constant speed, NEMA dimensions..........50- 60 cycle, 3 phase
208 or 575 single; 230/460 dual voltage
AC drives grinding wheel only.
Power transmission.......................8 V-belts

REGULATINGWHEEL DRIVE
Motor mounted on upper slide........60 cycle: 2 HP @ 1200RPM
.....................................................50 cycle:2 HP @ 1500RPM
Constant speed, NEMA dimensions..... 50 or 60 cycle, 3 phase
...................................................208 or 575 single; 230/460 voltage AC
Power transmission..................8 V-belt chain
Speed changes...........Variable pitch sheaves and gear shift

CUTTING FLUID EQUIPMENT
Individual motor driven cutting fluid pump capacity 30GPM
Cutting fluid tank capacity..............75 gallons

WHEEL TRUING
Hydraulic diamond truing for grinding wheel with auto diamond advance.
Diamond not included as standard equipment.

SIZING ADJUSTMENT
Accurate adjustment of regulating wheel slide by in feed hand wheel graduated in fifty millionths of an inch.

FLOOR SPACE WEIGHT
Floor space..............................2419 mm x 3566 mm
Weight...................................25,000 lbs.

EQUIPMENT FEATURES
Regulating wheel head without board support.
Twin grip grinder.
Cincinnaticomp system.
Attached electrical panel.

Specifications are deemed accurate, however, subject to verification or prior sale.