Heald 171 GAGEMATIC INTERNAL GRINDER

171 HEALD GAGEMATIC INTERNAL GRINDER
Year: 1976

CAPACITIES
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 workhead spindle flange................ 6"
Table travel....................................... 12"

SPEEDS & FEEDS
Table speed - rapid traverse...................... 35 FPM
Table speeds for grinding unlimited between....... 0-20 FPM
Workhead speed - two step sheave.................. 960 or 1360 FPM
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 cycle a-c 1-1/2 HP - 1800 RPM
Wheel head motor............... 60 cycle a-c 5 HP - 3600 RPM
Coolant pump motor............. 60 cycle 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.).................... 5,400 lbs.

EQUIPMENT
Red Head spindle
All electrics
Push button station
Rough finish timer