sales@libertymachinery.com
sales@libertymachinery.com
Cincinnati 340-20 “Twin Grip” Centerless Grinder
New – 1978
Serial No. 350520H78-0140
SPECIFICATIONS:
Grinding Diameter – Maximum…………6″
Standard Thru Feed and Infeed Work Rest…………1/2″ – 3″
Grinding Wheel – Hole…………12″
– Maximum Diameter…………24″
– Minimum Diameter…………17″
– Width…………Up to 20″
Regulating Wheel – Hole…………6″
– Maximum Diameter…………14″
– Minimum Diameter…………10-1/2″
– Width…………Up to 20″
Regulating Wheel Speeds – Low Range…………12 – 56 RPM
– High Range…………56 – 300 RPM
Grinding Wheel Drive…………40 HP
Regulating Wheel Drive…………2 HP
Speed Changes…………Var. Pitch Sheaves and Gear Shift
Dimensions – Actual…………170″(L-R) x 80″(F-B) x 95″(H)
Weight – Approximate…………19,000 Lbs.
Cincinnati 340-20 “Twin Grip” Centerless Grinder
Grinding Wheel Spindle:
Cartridge type spindle includes filmatic bearings which are self adjusting
for variations in load, and automatic pressure lubrication.
Regulating Wheel Spindle with Outboard Support:
Two piece bronze bearing on each side, rear support bearing, anti-friction
thrust bearing on end, and automatic pressure lubrication.
Size Adjustment:
Accurate adjustment of regulating wheel slide by infeed handwheel graduated
in fifty millionths of an inch.
Cincinnati 340-20 “Twin Grip” Centerless Grinder EQUIPPED WITH:
Thru-feed compensator unit, work rest, and conveyor
Auto grinding wheel truing with auto diamond advance
Power profile regulating wheel truing
Regulating wheel tachometer dial, hi-low range selector, and speed change
handwheel
Compensator controls, fine and coarse, tarry, and spark-out
Trabon auto lubrication system
*Preliminary Specifications Subject to Verification.
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