Hydraulic speed control system

Details Hydraulic speed control system Hydraulic speed control system

1986-11-28

1988-05-24

Schmidt, Frederick R.

Turning

Process of turning

82 21A, 82 59, B23B 300

Patent

active

047458321

ABSTRACT:
An hydraulic control system coordinates the rate of rotation of a workpiece about a fixed axis with the radial displacement of an end facing tool from that axis to maintain a constant feed rate or cutting speed of the workpiece to the tool as the tool moves radially across the workpiece. A doubled rodded piston has one rod connected to drive the tool and a second rod which projects into the chamber of a master cylinder. Fluid displaced from the master cylinder by tool driving movement of the piston is employed to drive a slave piston coupled to a speed control of a variable speed motor which drives the workpiece in rotation.

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