340‑20 CINCINNATI TWIN GRIP CENTERLESS GRINDER

340‑20 CINCINNATI TWIN GRIP CENTERLESS GRINDER

S/N 350520H78-0016 Year: 1978

STANDARD CATALOG SPECIFICATIONS

CAPACITY (Work rest bar grinding fixtures are not
included as standard equipment.)
Standard thru feed and in feed work rests...... 1/2‑3 dia.
Maximum work diameter......................... 6
(Depending on which work rest is ordered)

WHEELS (Not included as standard equipment.)

Grinding Wheel Regulating Wheel
12Hole 6 Hole
20Width only 20 Width only
24Maximum diameter 14Maximum diameter
16Minimum diameter 10‑1/4Minimum diameter

GRINDING WHEEL SPINDLE
PRIVATE High grade alloy steel, heat treated, titanium dioxide coated ground. Filmatic bearings self adjusting for variations in load with plain thrust bearings in center. Automatic circulating lubrication under pressure.tc� \l 1 High grade alloy steel, heattreated, titanium dioxide coated ground.�Filmatic bearings self adjusting for variations in load with plainthrust bearings in center.� Automaticcirculating lubrication under pressure.

REGULATING WHEEL SPINDLE
PRIVATE 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.tc� \l 1 Highgrade 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
0-300 RPM Servo Transmission.

GRINDINGWHEEL DRIVE
Enclosed motor on end of machine.............. 40 HP
Constant speed: N.E.M.A. dim., 50 or 60 cycle, 3 phase,
208 or 575 single; 230/460 dual voltage A.C. drives grinding
wheel only.
Power transmission............................ 8 V‑belts

REGULATINGWHEEL DRIVE
Servo Transmission.

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

SIZING ADJUSTMENT
PRIVATE Accurate adjustment of regulating wheel slide by in feed hand wheel graduated in fifty millionths of an inch.tc� \l 1Accurate adjustment of regulating wheel slide by in feed hand wheelgraduated in fifty millionths of an inch.
Thru feed push button compensation fine and coarse feed.

WHEEL TRUING
PRIVATE Independent truing units for each wheel. Grinding wheel dresser with ball screw and Servo driven traverse and diamond advance.Regulating wheel dresser hydraulic.

DIMENSIONS
Floor space............................. 95 1/4 x 140 3/8
Weight..................................25,000 lbs. approximate

EQUIPMENT FEATURES
GE Fanuc 15-T Controls.
Servo transmission.
Servo in feed with ball screw.
Trabon lube.
Standalone electrical panel.

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 within30 days, GCH will invoice FULL replacement cost (OUTRIGHT Cost) to customer.