This paper introduces applications of the incremental and absolute angular encoders in synchronous leading screw control.

介绍了增量式和绝对式编码器在同步丝杆控制中的应用和软件编制。

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The basic principle is though three root ball screw control platform, by the measurement of nozzle, three motor to adjustable height accordingly, easily implemented leveling!

其基本原理就是平台通过三根滚珠丝杠控制，上面对应三个电机，经过喷头测量，三个电机相应调节高度，很轻松实现了调平。

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When the resin flow in the mold, the screw speed control and filled with resin after the pressure (pressure protection) control.

当树脂在模具内流动时，则控制螺杆的移动速度并在填充树脂后用压力(保压力)进行控制。

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Manipulating the shape of the threads using this method, called thread-rolling, was thought to be impossible because it would be too hard to control the structure of the screw if metal oozed into odd shapes.

FORBES: Magazine Article