144" x 144" Heald Model 576 Gap Bed Extended Bridge Internal Grinder (1984) (SOLD)

Heald Model 576 144" x 144" Gap Bed Extended Bridge Internal Grinder
*** Currently Grinding 747 757 767 Struts ***
Swing in Gap: 144"
Center Distance: 144"
Swing Over Swivel Plate Workhead End: 80" Diameter
Swing Inside Chuck Guard: 48"
Table Travel: 73"
Maximum Length of Hole: 60"
Maximum ID woth 8" wheel: 24"
Hollow Spindle Workhead: 16"
Adjustable Workhead Base: 72"
Swing Over Workhead Chuck Guard: 36"
Swivel Forward/Back: +/- 1/2
Table Speed: 10 FPM
Table Grinding Speed: 1 - 10 FPM
Working Speeds: 5 to 50 RPM
One Turn of Cross Feed Handwheel: .062 on dia
Wheel Slide Feed (Course-Adjustable): .0001 - .0005 on dia
Wheel Slide Feed (Fine Non-Adjustable): .0001 on dia
Hydraulic Pump Motor: 10 HP, 1200 RPM
Workhead Motor: 3-7 HP, 5 - 50 RPM
Wheelhead Motor: 10 HP, 3600 RPM
Coolant Pump Motor: 1HP, 1800 RPM
Current Electrical Arrangement:: 440/3/60
Equipped with:
4"-16" Steady Rests
Facing and Dressing Attachment
Mist Lubrication to Air Pockets and Wheelhead
Manual Cycle
Recent upgrade to new Gros-ite Spindle for 777 Full Length Work
Pockets & Wheelhead
Upgraded Electrics
Rebuilt Gearbox
New Seals
New Lubrication Valves
*** Capable of 777 strut with simple modification ***