Heald 171 SIZEMATIC INTERNAL GRINDER

171 HEALD SIZEMATIC INTERNAL GRINDER
Year: 1971


STANDARD CATALOG SPECIFICATIONS
Maximum swing, straight work on center line dia.... 13 3/4"
Maximum swing over table........................... 11 3/4"
Swing inside standard guard diameter............... 8"
Maximum length of hole............................. 3"
Maximum diameter of hole........................... 2"
Minimum diameter of hole........................... 1/8"
Maximum included angle (Sizematic only)............ 60 degrees
Center of chuck spindle from floor................. 44"
Diameter of work head spindle flange............... 6"
Table travel....................................... 12"

SPEEDS & FEEDS
Table speed – rapid traverse...................... 35 FPM
Table speeds for grinding unlimited between....... 0 20 FPM
Work head speed two step sheave................. 960 or 1360 RPM
One turn of cross feed hand wheel................. .060" on dia.
Maximum power cross feed.......................... .042" on dia.
Wheel wear compensation on diameter............... 0 .004"

DRIVE
Work head motor -
(Std) voltages................. 60 Cycle a c 1 HP 1800 RPM
Oil pump motor................. 60 cycles a c 1 1/2 HP 1800 RPM
Wheel head motor............... 60 cycles a c 5 HP 3600 RPM
Coolant pump motor............. 60 cycles a c 1/4 HP 1800 RPM

GENERAL DATA
Capacity of oil tank............................... 10 gallons
Capacity of coolant tank........................... 55 gallons
Net weight of machine (approx.).................... 6,000 lbs.

EQUIPMENT & FEATURES
Single point diamond dresser.
All trip dogs.
Rough & finish timers.
Coolant tank & pump.
3 Jaw chuck.
Red Head spindle.