| 摘要 |
An automatic bar-loader for lathes including a channel for feeding of a bar to the lathe mandrel and a bar-pusher powered by an electric motor controlled by a control unit and having a head collet for grasping the tail of a bar in the channel to make it run therein. The loader includes a sensor for measurement of the axial shifting of the bar-pusher designed for supplying a feedback signal to the control unit for control of the bar-pusher motor.
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