CINCINNATI #440-20 DE TG 35672CH5-0006

440‑20 CINCINNATITWIN GRIP CENTERLESS GRINDER
S/N 350720H5W-0006 Year: 1970

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
20 Width only 15 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,
Low Range: 60 cycle: 12‑56 RPM,
High Range: 60 cycle: 56‑300 RPM,

GRINDING WHEEL DRIVE
Enclosed motor on end of machine................. 40 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
Enclosed motor on upper slide..................... 40 HP
Constant speed: N.E.M.A. dim., 50 or 60 cycle, 3 phase,
220 to 550 volts A.C.
60 HZ.......................... @ 1200 RPM
Power transmission................................ V‑belts chain
Speed changes ............variable pitch sheaves and gear shifts

GRINDING WHEEL SPINDLE
PRIVATE High grade steel forging, ground, bearing surfaces are metallized. Five shoe, cartridge type.Filmatic spindle bearings.Automatic circulating pressure lubrication.tc� \l 1 High grade steel forging, ground,bearing surfaces are metallized. Five shoe, cartridge type.� Filmatic spindle bearings.� Automatic circulating pressurelubrication.

REGULATING WHEEL SPINDLE
PRIVATE 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.tc� \l 1 High grade steel forging, ground,bearing surfaces metallized.� Three pieceplain bronze bearing each side of wheel, plus a rear support bearing, and ananti‑friction thrust bearing on rear end of the spindle.� Automatic pressure lubrication.

CUTTING FLUIDS
Hydrant and sewer connections.

WHEEL TRUING
PRIVATE 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.tc� \l 1 Independent hydraulic profiletruing on both the grinding and regulating wheels.� Both units include one hardened straight flatcam.� Diamond not included as standardequipment.

SIZING ADJUSTMENT
PRIVATE Accurate adjustment of regulating wheel slide by infeed hand wheel graduated in fifty millionths of an inch.tc� \l 1 Accurate adjustment of regulatingwheel slide by in feed hand wheel graduated in fifty millionths of aninch.
APPROXIMATE WEIGHTS AND SHIPPING DATA
Net weight .............................................19,200 lbs.
Domestic shipping weight........................ 23,400 lbs.
Export shipping weight............................ 26,200 lbs.
Approx. crate size(in)....................... 144 x 86 x 102
Cubic content to crate ............................731 Cu. Ft.

EQUIPMENT FEATURES
Servo transmission.
Attached electrical.
Panel view550.
Stepper infeed.

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.