Method for operating an automatic sewing device with a sewing head including a rotary housing
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United States of America Patent
Stats
-
Nov 29, 1988
Grant Date -
N/A
app pub date -
Sep 3, 1987
filing date -
Sep 20, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for operating a sewing automat with a sewing head with a rotary housing provides a compensation signal for a drive motor, in particular for the x- and y-drive motors of the workpiece holder, respectively, in order to correct errors of stitch length resulting from the superposition of the motion of the rotary housing relative to its drive motions. In order to accomplish this, the method provides the detection of the angular position of the rotary housing from one stitch to the next and the generation of a compensation signal depending on this angle difference.
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Cited Art Landscape
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