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> 271 heald sizematic chucking internal & face grinder
271 heald sizematic chucking internal & face grinder
271 HEALD SIZEMATIC CHUCKING TYPE INTENRAL & FACE GRINDER
Motor Driven With 5 HP, 3 Phase, 60 Cycle, 460 Volt Facing Head Motor. 5 HP, 3 Phase, 60 Cycle, 460 Volt Grinding Head Motor. 2 HP Hydraulic Motor. Complete Electric Controls.
Slide Bar Facing Attachment For Simultaneous Reciprocate Bore And Plunge Face Grinding In A Single Chucking. Hydraulic Facing Attachment Dresser. 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 Feeds. Adjustable Dogs For Grinding And Dressing Strokes. Push Button Control Of Rough And Finish Feed. Feed Compensation. Facing Feed Autocycle And Retraction. Single And Double Back Off Cycles. Automatic Dressing, Plunge And Reciprocating Cycles. Automatic Base Mounted Truing Attachment. 12" 3-Jaw Chuck With Variable Speed Controls Workhead With Reversing And Jog. Wheel Guards. Rough And Finish Cycle Timers. Coolant System. Worklight.
Maximum Work Head Swivel 60 deg.
Diameter Workhead Spindle Flange 9-5/8"
Table Speed (Rapid Traverse) 35 FPM
Table Speeds (Variable) 0-20 FPM
Maximum Power Cross Feed .042" on Diameter
