Press drive
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United States of America Patent
Stats
-
May 1, 1990
Grant Date -
N/A
app pub date -
Oct 3, 1988
filing date -
Feb 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To drive two toggle lever (29,29') of a press, in particular a high frequency cutting press with at least 400 strokes per minute, two separate but mutually synchronized drives (101,101') are provided to ensure a uniform, non-wobbling motion of the tool carrier (5). The drives (101, 101') can be rotary or linear drives and are used to drive the toggle levers (29, 29') during at least part of their motion. The energy storage (200) ensures a low energy consumption, since it stores the braking energy and supplies it again to the drive during acceleration.
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