Angle punching die arrangement

Details Angle punching die arrangement Angle punching die arrangement

1992-08-31

1994-05-03

Jones, Eugenia

Cutting

Interrelated tool actuating means and means to actuate work...

Work clamp

83588, 83620, 83693, 83917, B21D 2832

Patent

active

053077156

ABSTRACT:
A punching arrangement has a guide assembly for guiding movement of a second die at an acute angle relative to a first die in order to punch an aperture at an acute angle in a flange of a track shoes. A positioning device moves the track shoe to a preselected location relative to the first die in response to movement of the second die toward the first die. A holding apparatus engages the track shoe and clamps the track shoe to the first die in response to further movement of the second die toward the first die. A crank mechanism breaks the second die away from binding engagement with the track shoe after punching and enables the second die to return to the initial position. The punching arrangement is particularly suited for use in a punching press.

REFERENCES:
patent: 1308178 (1919-07-01), Kasel
patent: 3215017 (1965-11-01), Rutz
patent: 3368441 (1968-02-01), Piazze
patent: 3405583 (1968-10-01), Herzog
patent: 4494428 (1985-01-01), Malof
patent: 4562760 (1986-01-01), Kinsley
patent: 4569263 (1986-02-01), Kravets

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