Method for controlling the drive for a hydraulic press having a plurality of operating phases
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United States of America Patent
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Oct 29, 1996
Grant Date -
N/A
app pub date -
Aug 30, 1994
filing date -
Sep 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for controlling the drive of a hydraulic press and an associated device for carrying out the method are proposed, the piston/cylinder unit belonging to a press ram being driven via several hydraulic devices connected in series. Depending on the operating phase of the press, the hydraulic devices are here used as required either as hydraulic motors or hydraulic pumps, which effect a delivery of pressure medium into the respective cylinder chamber.
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