Heald 171

171 HEALD BORE & FACE SIZEMATIC GRINDER
Year: 1955

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"
Center of chuck spindle from floor................. 60 Degrees
Diameter of workhead spindle flange................ 44"
Table travel....................................... 12"
SPEEDS & FEEDS
Table speed, rapid traverse........................ 35 FPM
Table speed, for grinding unlimited between........ 0‑20 FPM
Workhead speed, two step sheave.................... 960‑1360 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.)............. 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 (approximate)................ 5,400 lbs.
EQUIPMENT & FEATURES
Red Head Heald spindle
Single point diamond dresser
All trip dogs
Finish timers
Positive stop / N.A. Woodworth chuck