Grinding machines

Details Grinding machines Grinding machines

1976-08-05

1978-04-25

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116592, 51289R, 51105R, B24B 4916

Patent

active

040855511

ABSTRACT:
A form grinding machine in which the grinding wheel is fed into a workpiece by a hydraulic creep feed control circuit. The workpiece is rotated at a very slow speed while being ground completely around its circumference. The hydraulic circuit includes a torque limiting dump valve, and the workpiece rotation is controlled by a torque limiting slipping clutch mechanism to prevent overloading when the grinding wheel has been completely fed in and the workpiece is still rotating.

REFERENCES:
patent: 2558943 (1951-07-01), Ellison
patent: 2961808 (1960-11-01), Dunigan

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