Shearing method and apparatus

Details Shearing method and apparatus Shearing method and apparatus

1988-02-19

1989-07-11

Yost, Frank T.

Cutting

Processes

83 23, 83123, 83198, 83456, 83567, B23D 2300, B26D 316

Patent

active

048460290

ABSTRACT:
A heated aluminum log which is to be sheared is inserted through a stationary die and a movable die. A clamp of the stationary die is then moved towards an axis of that die to clamp the log against a diametrically opposite portion of the internal surface of the stationary die. Opposite members of the stationary die are then moved towards each other in a direction perpendicular to the direction of movement of the clamp, to limit expansion of the sheared log. The movable die is then moved to shear the log.

REFERENCES:
patent: 3621745 (1971-11-01), Cavalan et al.
patent: 4063483 (1977-12-01), Kawaguchi et al.
patent: 4152959 (1979-05-01), Elhaus
patent: 4385538 (1983-05-01), Bieri et al.

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