Used 1952 HEALD 261 | GRINDERS, SURFACE, ROTARY TYPE – HORIZONTAL

 
HEALD MODEL 261 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........................ .050"
Each graduation of feed dial..................... .001"
Power feed adjustment............................. .0001"?.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.