Numerical control device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 2, 1990
Grant Date -
N/A
app pub date -
Mar 1, 1989
filing date -
Mar 1, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A numerical control device comprising a lost motion correction data calculating device having a table/function which represents the motor current of a servo motor, in a servo mechanism for servo-controlling a mechanical movable part. The motor current is detected at a given time instant, and the corresponding amount of lost motion correction is then calculated. The position error caused by the lost motion can be corrected with high accuracy.
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Cited Art Landscape
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