Heald #261, rotary surface grinder, 18.5" swing, 18.5/16" chuck, 14" x 1.5" x 5" wheel, 8" grinding stroke, 12" table travel, 12 FPM, 15 HP, 1750 RPM, 1952

261 Heald Rotary Surface, Horizontal Spindle, 16" Magnetic Chuck w/controls, Single Point Diamond Dresser, Variable Chuck Speeds, As Is
261 HEALD HORIZONTAL SPINDLE, VERTICAL COLUMN TYPE
ROTARY SURFACE GRINDER
S/N 31562 Year: 1952
STANDARD CATALOG SPECIFICATIONS:
CAPACITIES:
Chuck face diameter.......................................................... 18.5"
Chuck magnetic diameter……............................................. 16" fork pattern
Swing inside of coolant pan, maximum……....................... 18 1/2"
Wheel size........................................................................... 14"x 1.5"x 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................................................................. 10.5" approx.
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............................................. 0.050"
Each graduation of feed dial..............................................0.001"
Power feed adjustment..............................................……...0.0001" - 0.0005"
(In increments of .0001
DRIVE
Main drive motor, 60 cycles a c......................................... 15 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
Single point diamond dresser.
All proper guarding.
Coolant pump and tank.
16" Magnetic chuck with controls.
Variable chuck speeds.
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.