Heald EXTENDED BASE 72A

HEALD EXTENDED BASE
72A
 

Extended bridge capacity, maximum....................... 92"
Swing diameter over bridge, maximum..................... 12"
Swing diameter over table, maximum...................... 15 1/2"
Grinding stroke......................................... 20 5/8"
 
WORKHEAD
Work head flange to wheel head flange, maximum depends upon wheel head selected.
Swivel of extended bridge, maximum from centerline.. 8 1/2 degrees
Swivel of workhead, maximum independent of bridge... 16 degrees
Center of chuck spindle from floor...................... 50"
Diameter of workhead spindle flange..................... 9 5/8"
Hole through workhead spindle........................... 1 1/4"
 

SPEEDS & FEEDS
Table speeds unlimited between...................... 0 to 32 FPM
Workhead speeds adjustable from DC Drive............ 152, 456 RPM
Cross feed handwheel graduations on diameter........ .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
Workhead motor................................ DC 3/4 HP
Wheelhead motor............................... AC 5 HP 3600 RPM
Capacity of oil reservoir..................... 24 gallons
 
EQUIPMENT & FEATURES
92\" Extended bed
Compound hydraulic wheel head cross slide
Manual & power table
Facing stop
Floor space (incl. coolant pump & tank)............ 191" X 55"
Weight............................................. 10,500 lbs.