74 HEALD INTERNAL GRINDER

74 HEALD INTERNAL GRINDER

S/N 10082

STANDARD SPECIFICATIONS

CAPACITIES:
Swing over table (straight work)........................ 29
Maximum diameter of hole that can be ground............. 20
Grinding stroke....................................3/8” to 15”
Taper swivel on work head.......................... 60�inc.angle
Center of chuck spindle from floor...................... 50
Diameter of work head spindle flange.................... 12
Hole through work head spindle.......................... 1 11/16
Total table travel.

SPEEDSAND FEEDS
Table speeds unlimited between............... 0 to 18 ft. per min
Work head speeds adjustable from............. a-c 41-62-82-123RPM
Cross feed dial graduation represents................... .001
Power feed adjustment........................ 1 to 6 teeth
Each ratchet tooth with coarse gears(standard)......... .0002
Each ratchet tooth with fine gears(optional)........... .000128

DRIVES
Pump motor............................... 2HP, ac - 1200RPM
Work head motor..1-1 1/2-2-3 Tapered HP, ac-600-900-1200-1800RPM
Wheel head motor......................... 71/2 HP, ac-3600RPM

EQUIPMENTANDFEATURES
All trip dogs.
Manual or hydraulic table.
All pick feeds.
Single point dresser.
Attached electrical panel.

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