Heald INTERNAL GRINDER 72A-5

HEALD INTERNAL GRINDER
72A-5

Swing diameter over table, maximum................. 18"
Grinding stroke.................................... 20 5/8"

WORKHEAD
Maximum depends upon wheel head selected.
Max. swivel of ext. bridge from centerline......... 8 1/2 degrees
Max. swivel of work head, independent of bridge.... 16 degrees
Center of chuck spindle from floor................. 50"
Diameter of work head spindle flange............... 9 5/8"
Hole through work head spindle..................... 1 1/4"

SPEEDS & FEEDS
Table speeds unlimited between..................... 0 to 32 FPM
Work head speeds adjustable from DC drive.......... 152, 456 RPM
Cross feed hand wheel graduations on dia........... .001"
Each ratchet tooth w/coarse guards (std)........... .0002"
Power feed adjustment.............................. 1 to 4 teeth

MOTORS
Hydraulic pump motor.......................... AC 2 HP 1200 RPM
Work head motor............................... DC 3/4 HP
Wheel head motor.............................. AC 5 HP 3600 RPM
Capacity of oil reservoir..................... 24 gallons

EQUIPMENT & FEATURES
Manual dresser.
4 Speed work head.
Face stop.
Manual or power cross sliding work head.
Coolant tank & pump.
Attached electrical.