430‑12 CINCINNATI CENTERLESS GRINDER

430‑12 CINCINNATI CENTERLESS GRINDER

S/N 3M12H5P-12 Year: 1964

STANDARD CATALOG SPECIFICATIONS

CAPACITY
Standard thru feed and in feed work rests
accommodate work from.............................. 1 ‑ 4 Dia.
Maximum diameter machine will grind................ 10
Minimum diameter machine will grind................ 1

WHEELS (Not included as standard equipment.)
Grinding Wheel Regulating Wheel
12 Hole 6 Hole
12 Width only 12 Width only
24 Maximum Diameter 14 Maximum Diameter
17 Minimum Diameter 10 1/4 Minimum Diameter

GRINDING WHEEL SPEEDS
Number: Infinite
Range:60 cycle: 12‑300 RPM, 50 cycle: 15 to 315 RPM
Low Range:60 cycle: 12‑56 RPM, 50 cycle: 15 to 59 RPM
High Range: 60 cycle: 56‑300 RPM, 50 cycle: 59 to 315 RPM

GRINDING WHEEL DRIVE
Enclosed motor on end of machine................... 30 HP
Constant speed:N.E.M.A. dim., 50 or 60 cycle, 3 phase,
220 to 550 volts A.C.
Power transmission................................. 12 V‑belts

REGULATING WHEEL DRIVE
Constant speed:N.E.M.A. dim., 50 or 60 cycle, 3 phase,
220 to 550 volts A.C. .......
60 HZ ........................ @ 1200 RPM
50 HZ ........................ @ 1500 RPM
Power transmission..............................V‑belts chain
Speed changes ............ variable pitch sheaves and gear shifts

GRINDING WHEEL SPINDLE
High grade steel forging, ground, bearing surfaces are
metallized.Five shoe, cartridge type.Filmatic spindle
bearings.Automatic circulating pressure lubrication.

REGULATING WHEEL SPINDLE
High grade steel forging, ground, bearing surfaces
metallized.Three piece plain bronze bearing each side
of wheel, plus a rear support bearing, and an anti‑friction
thrust bearing on rear end of the spindle. Automatic
pressure lubrication.

CUTTING FLUIDS
Hydrant and sewer connections.

WHEEL TRUING
Independent hydraulic profile truing on both the grinding
and regulating wheels. Both units include one hardened
straight flat cam. 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.

APPROXIMATE WEIGHTS AND SHIPPING DATA
Net weight ........................................20,000 lbs.
Approx crate size(in)............................. 144 x 86 x 102
Cubic content to crate............................ 731 Cu. Ft.

EQUIPMENT FEATURES
Grinding wheel truing.
Profile dressing on regulating wheel.
Slant bed.
Coolant in base.
Attached electrical.

Specifications are deemed accurate, however, subject to verification or prior sale.
All exchange units/returns must be shipped within 30 days. All exchange units/returns must be shipped using DDP terms - Grinders Clearing House, Inc. dba GCH Machinery, is not responsible for any customs formalities or shipping costs.

If Grinders Clearing House, Inc. dba GCH Machinery does not receive exchange/core unit back within 30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.