Working apparatus for crankshaft

Details Working apparatus for crankshaft Working apparatus for crankshaft

1987-12-28

1989-10-03

Spruill, Robert L.

Metal deforming

With randomly-actuated stopping

72 81, 72110, B21K 108, B21D 5500

Patent

active

048708453

ABSTRACT:
A working apparatus for working a crankshaft having a journal portion and a crank pin includes first and second follow-up mechanisms. The first follow-up mechanism has first and second support members for rotatably clamping the journal portions therebetween. The second support member is moved in relation to the first support member by a first actuator. The second follow-up mechanism has third and fourth support members for rotatably clamping the crank pin therebetween. The fourth support member is moved in relation to the third support member by a second actuator. A first fillet roller is provided at the first support member and pressed against the journal portion, to roll thereon, and a second fillet roller is provided at the third support member and pressed against the crank pin, to roll thereon. The pressure contact of the first and second fillet rollers, with respect to the journal portion and the crank pin, is detected by detecting the displacement of the first and second actuators, respectively, and is controlled by actuating the actuators in response to the detecting signal.

REFERENCES:
patent: 3564883 (1971-02-01), Koors et al.
patent: 4167106 (1979-09-01), Berstein et al.
patent: 4485537 (1984-12-01), Berstein et al.
patent: 4509351 (1985-04-01), Rolin et al.
patent: 4559798 (1985-12-01), Hayashi et al.
patent: 4561276 (1985-12-01), Berstein

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