Heald 171 SIZEMATIC HOLE & FACE INTERNAL GRINDER

171 SIZEMATIC HOLE & FACE INTERNAL GRINDER
Year: 1978

STANDARD CATALOG SPECIFICATIONS
Maximum swing, straight work on center 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 (Size‑Matic 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 RPM
One turn of cross feed handwheel................. .060 on diameter
Wheel wear compensation on diameter.............. 0 ‑ 004"
Maximum power cross feed......................... .042 on diameter

DRIVE
Workhead motor,(std) 60 cycles, a‑c 1 HP ‑ 1800 RPM
Oil pump motor, 60 cycles, a‑c 1 1/2 HP ‑ 1800 RPM
Wheelhead 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
Weight of machine, net (approximate)............... 5,400 lbs.
EQUIPMENT & FEATURES
Red Head grinding spindle
Slide bar facing attachment
Push button control station
Spark out rough & finish timers
Single point diamond dresser for internal spindle
Sizematic feed box
Hydraulic dresser for facing spindle