Metal deforming – With use of control means energized in response to activator... – Sensing work or product
Patent
1985-02-14
1985-11-12
Crane, Daniel C.
Metal deforming
With use of control means energized in response to activator...
Sensing work or product
72389, 72702, B21B 3708
Patent
active
045520020
ABSTRACT:
An apparatus for bending a plate utilizing a bending punch and a die into which the bending punch penetrates to a greater or lesser extent depending on the bending angle .alpha.. The magnitude and variation of the bending force required during deformation of the plate unit are determined and utilized to determine the depth h of punch penetration.
REFERENCES:
patent: 3389432 (1968-06-01), Griesheimer et al.
patent: 3564883 (1971-02-01), Koors et al.
patent: 4010679 (1977-03-01), Dybel
patent: 4282738 (1981-08-01), Kojima
patent: 4322994 (1982-04-01), Mohr
patent: 4408471 (1983-10-01), Gossard et al.
Frei Theo
Haenni Eduard
Crane Daniel C.
Dubno Herbert
Hammerle AG
Jones David B.
Ross Karl F.
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