The control systems for production line of rubber hose with switchable knitting or winding carcass are described, and the control process, control calculation and PLC block are introduced.

论述了针织和缠绕增强层可互换生产的胶管生产线控制系统的功能及其实现方法，并介绍了全线控制过程、控制运算和可编程序控制器编程框图。

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Tension varies with changing of the diameter of coiling block in winding and unwinding processes of packaging machinery. Constant tension is the key to guarantee the product.

包装机械在收放卷过程中，卷材卷筒直径的变化会引起张力的变化，而恒定张力是保证产品质量的关键。

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High grade ore block often located in winding part of fault in strike and dip or intersection part of faults of NW and NE strike.

富矿段主要产于断裂在走向和倾向上的波状弯曲处以及NW与NE向断裂交汇部位。

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