HEALD 271 SIZEMATIC CHUCKING TYPE INTERNAL GRINDING MACHINE
Stock Number: g1072
Serial No. 46538 Age: 1976
This machine is being offered thoroughly checked out in our shop, cleaned and cycled. It is being offered with a 30-Day Return Privilege and may be inspected under power here in our plant.
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| Specification | Description |
|---|
| Swing over Table | 18" |
| Swing inside Chuck Guard | 12" |
| Maximum Length of Hole | 5" |
| Maximum Diameter of Hole | 5.5" |
| Minimum Diameter of Hole | 1/8" |
| Maximum Work Head Swivel | 60° |
| Table Travel | 16" |
| Diameter Workhead Spindle Flange | 9-5/8" |
| Table Speed (Rapid Traverse) | 35 FPM |
| Spindle Speeds (Variable) | 0-20 FPM |
| Workhead Speeds | 133, 200, 266, 400 RPM |
| Maximum Power Cross Feed | .042" on Diameter |
| Approximate Weight | 8400 lbs |
Equipped With:
5 HP, 3 Phase, 60 Cycle 460 Volt Grinding Head Motor. 2 HP Hydraulic Motor. 1.5/1.0/.75/.50 HP 4-Speed Workhead Motor. Complete Electrical Controls.
25,000 RPM Redhead Grinding Spindle. Size-Matic Gauging By Which Wheel Is Trued To Predetermined Point And Then Advanced To Bring The Work To Desired Hole Size. Compensation For Wheel Wear Is Automatic. Throttle Lever Regulated Table Speed. Hydraulically Operated Feedbox For Constant And Impulse Type Feds. Adjustable Dogs For Grinding And Dressing Strokes. Push Button Control Of Rough And Finish Feeds. Feed Compensation. Single And Double Back Off Cycles. Automatic Dressing, Plunge And Reciprocating Cycles. Automatic Base Mounted Truing Attachment. Heald Sliding Jaw Chuck With Pneumatic Cylinder and Controls. Wheel Guards. Rough & Finish Cycle Timers. Oberlin Coolant System. Worklight.
Adams Machinery Company
6450 N. Hamlin Ave.
Lincolnwood, IL 60712
847-673-0556
847-673-7636
adams@adamsmachinery.com
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