Cincinnati No. 340-20 Mdl. DE, twin grip centerless grinder, 6" diameter work capacity, 3" diameter work rest capacity, 24" diameter & 14" diameter wheels capacity, 40 HP

Cincinnati #340-20 Centerless Grinder
340‑20 CINCINNATI TWIN GRIP CENTERLESS GRINDER
S/N 350520H84-0028
STANDARD CATALOG SPECIFICATIONS
CAPACITY (Workrest 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
12Hole 6 Hole
20Width only 20 Width only
24Maximum diameter 14Maximum diameter
16Minimum diameter 10‑1/4Minimum diameter
GRINDINGWHEEL 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.
REGULATINGWHEEL 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.
REGULATINGWHEEL SPEEDS
Number: Infinite
Range: 60 cycle: 11‑300 RPM, 50 cycle: 12to 315 RPM
Low range: 60 cycle: 11‑56 RPM, 50 cycle: 12to 59 RPM
High range: 60 cycle: 56‑300 RPM, 50 cycle: 59 to 315 RPM
GRINDINGWHEEL DRIVE
Enclosed motor on end of machine.............. 40 HP
Constant speed: N.E.M.A. dim., 50 or 60 cycle, 3phase,
208 or575 single; 230/460 dual voltage A.C. drives grinding
wheel only.
Power transmission............................ 8 V‑belts
REGULATINGWHEEL DRIVE
Motor mounted on upper slide ‑ 60 cycle: 2 HP@ 1200 RPM
50 cycle: 2 HP@ 1500 RPM
Constant speed; N.E.M.A. dim., 50 or 60 cycle, 3phase,
208 or575 single; 230/460 dual voltage A.C.
Power transmission............................ V‑belt chain
Speed changes:........ Variable pitch sheaves and gear shift
CUTTING FLUID EQUIPMENT
Individual motor driven cutting fluid pump capacity 30GPM
Cutting fluid tank capacity................... 75 gallons
SIZING ADJUSTMENT
PRIVATE Accurate adjustment of regulating wheel slide by in feed handwheel 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.
WHEELTRUING
PRIVATE Independent truing units for each wheel. Hydraulic diamond truing for grinding and regulating wheel. Diamond not included as standard equipment.tc' \l 1 Independent truing units for eachwheel.' Hydraulic diamond truing forgrinding and regulating wheel.' Diamondnot included as standard equipment.
(Profile both sides.)
DIMENSIONS
Floorspace............................. 95 1/4 x 140 3/8
Weight..................................25,000 lbs. approximate
EQUIPMENT FEATURES
Cincinnatistandard transmission.
20” Thru feed work rest.
Trabon lube system.
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.