Drawing device in a press for drawing shaped sheet-metal parts
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United States of America Patent
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-
Aug 18, 1992
Grant Date -
N/A
app pub date -
Apr 22, 1991
filing date -
Apr 23, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drawing device in a press is proposed which serves to draw shaped sheet-metal parts. In order to achieve optimum force support of the sheet holder (6), the pressure cheek (8) is regulated in a vertically adjustable manner by a four-point control system known per se. In addition to this, vertically adjustable bolts (7) having drives (15) are provided, in order to permit a specific local application of force to the sheet holder (6). This is controlled or regulated by displacement sensors (16) and force sensors (17).
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