Method and apparatus for monitoring coil stock feed
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United States of America Patent
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Dec 26, 1995
Grant Date -
N/A
app pub date -
Jul 18, 1994
filing date -
Jul 18, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A feed monitor for providing a selectable midcycle coil stock feed check on a mechanical power press. A midcycle position of the coil stock feed from which the press can be stopped prior to the reciprocating die contacting the coil stock is chosen. With each reciprocating cycle of the die, a desired midcycle coil stock feed length is compared to a measured midcycle feed length. The press is stopped if the difference between the desired and measured feed lengths is greater than a predetermined tolerance. If the measured midcycle feed length is within the tolerance, the press operation continues.
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