Method for compensating for variation in shut height during star

Details Method for compensating for variation in shut height during star Method for compensating for variation in shut height during star

1998-01-13

1999-06-29

Gerrity, Stephen F.

Presses

Methods

72448, 83 13, 83530, 100 45, 100257, B30B 1530, B26D 520

Patent

active

059152931

ABSTRACT:
A method for compensating for the variation in shut height of a press during stamping and forming as it is starting and stopping comprising user input of the minimum press speed at which feeding of feed material to the press should commence, monitoring of the actual press speed, and feeding of the feed material only when a minimum press speed representing a desired press shut height has been achieved. A method for inputting a desired shut height range, monitoring actual shut height and feeding feed material only when the actual shut height is within the desired shut height range is also disclosed.

REFERENCES:
patent: 3557686 (1971-01-01), Sapolsky
patent: 4387632 (1983-06-01), Heiberger
patent: 4480538 (1984-11-01), Yoshida
patent: 5699688 (1997-12-01), Allred

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