340-20 CINCINNATI TWIN GRIP CENTERLESS GRINDER

340-20 CINCINNATI TWIN GRIP CENTERLESS GRINDER

S/N 350520H73-0065

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
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
Number: Infinite
Range: 60 cycle: 11 300 RPM, 50 cycle: 12 to 315 RPM
Low range: 60 cycle: 11 56 RPM, 50 cycle: 12 to 59 RPM
High range: 60 cycle: 56 300 RPM, 50 cycle: 59 to 315 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,
208 or 575 single; 230/460 dual voltage A.C. drives grinding
wheel only.
Power transmission............................ 8 V belts

REGULATING WHEEL 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, 3 phase,
208 or 575 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
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. Hydraulic diamond truing for grinding and regulating wheel. Diamond not included as standard equipment.
(Profile both sides.)

DIMENSIONS
Floor space............................. 114 x 158-1/16
Weight.................................. 25,000 lbs. approximate

EQUIPMENT FEATURES
Auto lube system.
Attached electrical.

Specifications are deemed accurate, however, subject to verification or prior sale.