Metal deforming – By plural tool-couples – With means to feed work between plural tool stations
Patent
1993-08-13
1995-06-13
Crane, Daniel C.
Metal deforming
By plural tool-couples
With means to feed work between plural tool stations
483 14, B21D 4305
Patent
active
054232023
ABSTRACT:
A transfer press provided with a three-dimensional transfer system and a moving bolster. In the press, there are provided one each of four corners of the bolster an advancing/returning unit for performing an advancing/returning operation on a workpiece, a clamping/unclamping unit for performing a clamping/unclamping operation on the workpiece and a lifting/lowering unit for performing a lifting/lowering operation on the workpiece. The units include motors that make it possible for the bolster to carry a pair of feed bars thereon and permit the units to perform their operations even when the bolster is outside the press.
REFERENCES:
patent: 4557133 (1985-12-01), Mikusch
patent: 4621516 (1986-11-01), Schafer
Imanishi Shozo
Komatsu Isamu
Yagi Takashi
Aida Engineering Ltd.
Crane Daniel C.
Rabin Steven M.
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