Cincinnati No. 340-20, centerless grinder, 6" capacity, 24" wheel diameter, 1978

Cincinnati #340-20 Centerless Grinder, Remanufactured in 2018, Re-scraped & Certified, Servo Comp, Servo Reg Drive, SBS Balancer, Jib Crane, Graco Lube Unit, AB Controls, GCH Slide Locks, GCH Partial Enclosure
340 20 CINCINNATI TWIN GRIP CENTERLESS GRINDER
S/N 350520H78-0016 REMANUFACTURED: 2018
STANDARD CATALOG SPECIFICATIONS
CAPACITY (Work rest bar grinding fixtures are not
included as standard equipment.)
Standard thru feed and infeed 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
12" Hole 6" Hole
20" Width only 20" Width only
24" Maximum diameter 14" Maximum diameter
16" Minimum diameter 10 1/4" Minimum diameter
GRINDING WHEEL SPINDLE
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.
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
0-300 RPM Servo Transmission.
GRINDING WHEEL 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
REGULATING WHEEL DRIVE
Servo Transmission.
CUTTING FLUID EQUIPMENT
Individual motor driven cutting fluid pump capacity 30GPM
Cutting fluid tank capacity................... 75 gallons
SIZING ADJUSTMENT
Accurate adjustment of regulating wheel slide by in feed hand wheel graduated in fifty millionths of an inch.
Thru feed push button compensation fine and coarse feed.
WHEEL TRUING
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
Servo comp / AC motor grinding wheel truing.
Manual comp / AC motor reg wheel truing.
Swivel cam bracket.
Servo reg drive.
Adjustable GCH swivel.
GCH slide locks.
Stand alone hydraulic unit.
Coolant tank & pump.
GCH partial enclosure.
Allen-Bradley Panelview 1500 Plus.
Allen-Bradley controls.
Workrest.
SBS balancer.
Jib crane.
Graco lube unit.
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.