171 HEALD SIZEMATIC INTERNAL GRINDER

171 HEALD SIZEMATIC INTERNAL GRINDER

S/N 33915 Year: 1955

STANDARD SPECIFICATIONS

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 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 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 FEATURES
Sizematic feed box.
Single point hydraulic dresser.
Timers (2).
Trip Dogs.
Spindle.

Specifications are deemed accurate, however, subject to verification or prior sale.