Used 1971 CINCINNATI 3-300 | GRINDERS, CENTERLESS

                                                                                                                                                        Ref: UED4306

                                                 3-300 TWIN GRIP CINCINNATI CENTERLESS GRINDER

                                                                   S/N 6M12HG5YN-26   Year: 1971

STANDARD CATALOG SPECIFICATIONS

CAPACITY (Work rests or bar grinding fixtures are not
          standard equipment.)
Standard thru feed & infeed work rests........ 1/2" to 3" dia.
Maximum work diameter......................... 6"
(Depending on which work rest is ordered)

WHEELS (Not included in price)
Grinding wheel................. 12" Hole, 8" 12" Widths
                                24" Max. dia., 16" Min. dia.
Regulating wheel............... 6" Hole, 8" 12" Widths
                                14" Max. dia., 10 1/4" 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 300 RPM
                                     50 cycle: 12 to 315 RPM
Low range........................... 60 cycle: 11 to 56 RPM
                                     50 cycle: 12 to 59 RPM
High range.......................... 60 cycle: 56 to 300 RPM
                                     50 cycle: 59 to 315 RPM

GRINDING WHEEL 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

REGULATING WHEEL DRIVE
Motor mounted on upper slide........ 60 cycle: 2 HP @ 1200 RPM
                                     50 cycle: 2 HP @ 1500 RPM
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 30 GPM
Cutting fluid tank capacity.............. 75 gallons

WHEEL TRUING
Hydraulic diamond truing for grinding wheel along 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.............................. 95 1/4" x 140 3/8"
Weight................................... 25,000 lbs.

EQUIPMENT & FEATURES
Regulating wheel head with outboard support.
Twin grip grinder.
Cincinnati comp system.
Attached electrical panel.

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