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本文给出了软铝颗粒连续挤压过程恒张力卷绕的电气控制系统,探讨了①活套长度检测环节的非线性问题及其近似等效方法;②产品挤出速度变化对张力的扰动及其补偿控制方法;③动态张力问题及系统的软起动方法.采用这些方法提高了系统的性能,满足了工艺要求.
In this paper, the electrical control system of constant tension winding of soft aluminum particles during continuous extrusion process is given, and the nonlinear problem of looper length detection and its approximate equivalent method are discussed. The disturbance of tension caused by the change of product extrusion speed and Its compensation control method; ③ dynamic tension problem and the system of soft-start method using these methods to improve the performance of the system to meet the technical requirements.