Synchronizing control apparatus

Details Synchronizing control apparatus Synchronizing control apparatus

1990-03-02

1992-12-29

Smith, Jerry

Boots, shoes, and leggings

36447435, 318 85, 318625, 318632, G05B 1132

Patent

active

051756803

ABSTRACT:
A synchronizing control apparatus for synchronously rotating master and slave main spindles of a pin grinder, wherein a servomotor for the slave main spindle is rotated at a speed corresponding to a compensated command value while the master main spindle is rotated at a speed corresponding to a noncompensated command value. The compensated command value is calculated based on a synchronizing error between the master and slave main spindles at a predetermined interval longer than the length of instable condition of a servo loop for the slave main spindle. When the synchronizing error is larger than a predetermined limit value, the command value for the slave main spindle is gradually compensated in order to prevent the compensated command value from changing too abruptly.

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