Slide control device of press
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 6, 2000
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Mar 16, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Learning control is adopted in slide control of a press, and the actual behavior pattern of the slide is converged to the optimum pattern thereby breakage of a metal mold or the like can be prevented. The slide control device is provided with a linear motor or a servo motor driving the slide in reciprocation, a position detector detecting position of the slide, and a control circuit fixing and storing previously the command value of the optimum pattern of behavior of the slide, and calculating error between the real position data from the position detector and the fixed command value of the optimum pattern in a prescribed period of time from the drive start of the slide, and correcting the command value to be outputted in order to eliminate the error and outputting the command value after the correction and controlling the linear motor or the servo motor.
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