Cam operated quick return feed control for lathe machine tool

Details Cam operated quick return feed control for lathe machine tool Cam operated quick return feed control for lathe machine tool

1996-07-09

1998-10-27

Pitts, A. L.

Turning

Portable lathe for pipe turning

82 702, 82130, B23B 326

Patent

active

058264701

ABSTRACT:
A feed control for a tool bit carried by a headstock of a lathe includes a driving cam having a profiled lobe that permits automatic quick return of the tool bit following each cutting operation. The cam is driven in a forward feed direction by a cam actuator arm carried by the headstock of the lathe that is connected to the cam through a one-way drive clutch that converts oscillating motion of the cam actuator arm into unidirectional intermittent rotational motion of the cam. A control device is provided to adjust the incremental feed rate of the tool bit by controlling the motion of the cam actuator arm and the staring position of the tool bit between cutting cycles is adjustable.

REFERENCES:
patent: 3807047 (1974-04-01), Sherer et al.
patent: 4791842 (1988-12-01), Olson
patent: 4813314 (1989-03-01), Kwech
patent: 4944205 (1990-07-01), Ricci
patent: 5549024 (1996-08-01), Ricci

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