Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1989-02-22
1991-03-19
Crane, Daniel C.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 9, 72405, 72446, B21D 4305
Patent
active
050000217
ABSTRACT:
In an automatic press for continuously carrying out a plurality of processes simultaneously, while reducing press load to be applied is necessary to avoid the problem of defective products or damage to dies due to overload in automatic load control device for use in an automatic press of the noted type is proposed, in which the presence of material to be press-worked in each die is detected to appropriately establish an optimum press load value.
REFERENCES:
patent: 3785194 (1974-01-01), Bradlee
patent: 3834216 (1974-09-01), Schiller et al.
patent: 4148209 (1979-04-01), Bessino
patent: 4586365 (1986-05-01), Henkelmann
patent: 4711169 (1987-12-01), Imanishi et al.
Nakamura Masatoshi
Wada Tsuguo
Crane Daniel C.
Kurimoto Ltd.
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