261 HEALD HORIZONTAL SPINDLE, VERTICAL COLUMN-TYPE ROTARY SURFACE GRINDER

261 HEALD HORIZONTAL SPINDLE, VERTICAL COLUMN-TYPE
ROTARY SURFACE GRINDER

S/N 36151 Year: 1957

STANDARD CATALOG SPECIFICATIONS

CAPACITIES
Chuck face diameter............................. 18.5
Chuck magnetic diameter......................... 12
Swing inside of coolant pan, maximum............ 20
Wheel size...................................... 14x 1x 5
Minimum wheel diameter.......................... 9
Distance from top of chuck to center of grinding wheel:
Maximum.................................... 17 1/2
Minimum.................................... 4 1/2
Maximum Angle:
Convex..................................... 17 degrees
Concave.................................... 10 degrees
Table travel (Not grinding stroke).............. 12
Grinding stroke (Dependent on nature of work).. 8
Vertical distance............................... 10.5approx.

SPEEDS FEEDS
Chuck speeds, unlimited between................. 50 - 225 RPM
Wheel speeds, approximate....................... 1640 RPM
Table speeds, for grinding...................... 0 -12 FPM
Table speeds, for run-out....................... 35 FPM
One turn of feed hand wheel..................... .050
Each graduation of feed dial.................... .001
Power feed adjustment........................... .0001-.0005
(In increments of .0001)

DRIVE
Main drive motor, 60 cycles a-c................ 10 HP 1750 RPM
Coolant pump motor, 60 cycles a-c.............. 1/2 HP 1800 RPM

GENERAL DATA:
Capacity of oil reservoir - machine............ 15 gallons
Capacity of coolant tank....................... 45 gallons
Floor space with coolant tank.................. 77 x 83
Weight of machine, net......................... 8,350 lbs.
Gross weight crated, approximate............... 9,350 lbs.

EQUIPMENT FEATURES
12 Magnetic chuck.
Plain feed box.
Impulse and plunge feeds.
Spark out.
Coolant pump tank.
Attached electrical.
Table dogs.

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.