Used 1972 CINCINNATI #325-12 DE | GRINDERS, CENTERLESS

325-12 CINCINNATI CENTERLESS GRINDER
S/N  350412H5Z-0009        Year:  1972
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)
BAR GRINDING FIXTURES
Type V   Solid bars. 1/16 to 1 1/2" dia.
Type V   Modified for light walled or other similar material 1 1/2" to 2 1/2" dia.
Type C   Lengths up to... 24 ft.
               Solid bars. 1/2" to 2" dia.
               Hollow tubes 1/2" to 4" dia.
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 SPINDLEHigh 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 SPINDLEHigh 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 25 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 DRIVEMotor 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
Independent truing units for each wheel.
Hydraulic diamond truing for grinding and regulating wheels.
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.
FEATURES AND EQUIPMENT
Servo driven diamond advance on grinding wheel dresser.
Airtronics infeed.
Gibbed upper and lower slides.
8,500 S.F.P.M.
FLOOR SPACE & WEIGHT
Floor space 95 1/4" x 140 3/8"
Weight 15,500 lbs.
Specifications are deemed accurate, however, subject to verification or prior sale.