HEALD #271 Sizematic Internal Grinder: 18" swing over table, 5.5" max hole diameter. Features a 4-speed work head, Sizematic feed box, and coolant system. Comes with a diamond dresser and Red Head grinding spindle.
271 HEALD SIZEMATIC INTERNAL GRINDER
S/N 32454 Year: 1952
STANDARD CATALOG SPECIFICATIONS
CAPACITY
Swing over table diameter (straight work)............... 30"
Swing inside standard guard............................. 28"
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 hand wheel......... .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, 1/2 HP, 1800, 1200, 900, 600 RPM
Oil pump motor............................ 2 HP, 1800 RPM
Wheel head motor.......................... 5 HP, 3600 RPM
GENERAL DATA
Floor space............................... 93" x 85"
EQUIPPED WITH
Sizematic feed box.
Single point diamond dresser hydraulic.
All trip dogs.
Coolant pump and tank.
Red Head grinding spindle your choice of RPM.
G.C.H. carries many Heald grinders in stock. We also have many remanufactured machines in stock.
Specifications are deemed accurate, however, subject to verification or prior sale.
We use cookies to improve your experience. Privacy Policy.