Automatic feed control device with closed loop feedback by electric current of generator
The invention discloses an automatic feed control device fed back by a closed current loop of a motor, which comprise an SCM, a Hall current sensor, a bidirectional controlled silicon used for controlling on/off of a vibrator, an RC circuit connected with a control gate of the bidirectional controll...
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Format: | Patent |
Sprache: | chi ; eng |
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