Heald 271 Sizematic Internal Grinder
271 HEALD SIZEMATIC INTERNAL GRINDER
STANDARD CATALOG SPECIFICATIONS
CAPACITY
Swing over table diameter(straight work)............... 18
Swing inside standard guard............................. 12
Maximum length of hole.................................. 5
Maximum diameter of hole................................ 5 1/2
Minimum diameter of hole................................ 1/8
Maximum included angle, degrees......................... 60
Diameter of work head spindle flange.................... 9 5/8
Table travel............................................ 16
Capacity of oil tank, gallons........................... 15
SPEEDS FEEDS
Work head speeds.......................... 400, 266, 200, 133 RPM
One turn of cross feed handwheel......... .060 on diameter
Wheel wear compensation on diameter....... 0 to .004
Maximum power cross feed...................042 on diameter
DRIVE
Work head motor, standard voltages, 60 cycles
........... 1 1/2, 1, 3/4, 1/2HP, 1800, 1200, 900, 600 RPM
Oil pump motor............................ 2 HP, 1800 RPM
Wheel head motor.......................... 5 HP, 3600 RPM
GENERAL DATA
Floorspace............................... 93 x 85
EQUIPPED WITH
Sizematic feed box.
Single point diamond dresser.
4 Speed work head.
All trip dogs.
Coolant pump and tank.
Red Head grinding spindle your choice of RPM.
Specifications are deemed accurate, however, subject to verification or prior sale.
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