Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1989-09-28
1991-01-01
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
198621, B21J 1308
Patent
active
049810316
ABSTRACT:
A transfer device permits different moving sequences of holding devices for sheet metal parts which are to be moved through a metal-forming machine. The holding devices are fastened to carriages. The carriages are cam-guided, in which case carriage carries out a transfer movement from a working stage to an idle stage while taking along a sheet metal part. The return movement is interrupted in an intermediate position during the deforming operation of the sheet metal parts. The carriage carries out a transfer movement from the idle stage to a working stage and a return movement which is temporarily interrupted in an intermediate stage. As a result of the low-mass construction of carriages, high accelerations are possible in the movements. The transfer movements are shortened significantly by the use of intermediate depositing devices in the idle stages.
REFERENCES:
patent: 3760957 (1973-09-01), Berger
patent: 3875808 (1975-04-01), Okamoto et al.
patent: 4625540 (1986-12-01), Yamada et al.
patent: 4688668 (1987-08-01), Ookubo
patent: 4730825 (1988-03-01), Mikusch et al.
patent: 4873860 (1989-10-01), Werner
Brandstetter Rudi
Michael Wolfgang
Schneider Franz
Crane Daniel C.
L. Schuler GmbH
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