Punch and die set and method adapted to effect parting between adjacent sections of a workpiece
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 1, 1991
Grant Date -
N/A
app pub date -
Sep 14, 1988
filing date -
Sep 14, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and a method are disclosed, in which a shear and die set is adapted to be used in a numerically-controlled turret punch press for separating adjacent portions of a workpiece along predetermined parting lines, the shear and die set having a lower shearing or cutting edge on a vertical side of the shear portion of said set which is reciprocated vertically in shearing proximity to an upper cutting or shearing edge of a vertical wall of the die portion of said set, so that only a partial shear is effected for any reciprocation, and advancing the workpiece during the reciprocation so that a stepwise cut is effected along the entire length of said predetermined parting line and separation of the workpiece along said predetermined parting line is obtained.
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Cited Art Landscape
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