| 摘要 |
PURPOSE: A sub-spindle spring type workpiece ejector is provided to easily eject a workpiece with simple structure by using the tension of a spring. CONSTITUTION: A sub-spindle spring type workpiece ejector is composed of a sub-spindle(10) for rotating a chuck(20), a push rod guider(50) installed at the hollow parts of the chuck and the sub-spindle, a push rod(60) inserted into the push rod guider, a spring guider(90) connected to the inner end of the push rod, a spring(80) fit into the outer circumference of the spring guider, and a spring holder(70). The push rod moves in a straight line from the inside of the sub-spindle to the outer end of the chuck. The spring and the spring guider are fit into the spring holder.
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