Heald #81, internal grinder, 3.5"/4.5" O.D. work capacity, 3" L hole, 11" table travel, 28 FPM, 7.5 HP, 25000 RPM, 1950

#81 Heald Internal Grinder, Single Point Diamond Dresser, Hand Load, 7-1/2" HP Main Drive Motor, As Is
#81 HEALD CENTERLESS INTERNAL GRINDING MACHINEPRIVATE
S/N 26649 Year: 1950
STANDARD SPECIFICATIONS
Max. length of hole ground...................... 3
Max. outside dia. of work - on center........... 3 1/2
- high center.........4 1/2
Min. diameter of hole ground.................... 1/4
Max. included angle of taper.................... 30'
Regulating roll diameter........................ 9
Pressure and supporting roll dia................ 2 1/4
Table speeds variable between................... 0 to 28 ft./min.
Max. table travel............................... 11
Floor space, approx............................. 66 x 53
Net weight, approx.............................. 6,500 lbs.
EQUIPMENT
25,000 R.P.M. Spindle.
7 1/2 HP, 1735 RPM main motor.
Electrical control box.
Table dogs.
Single point dresser.
Diamond dresser - single point.
Hand load.
3 Rolls.
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.

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