冷轧卷取机胀缩机构的故障分析

Failure Analysis of Expanding-Collapsing Device in Cold Rolled Coiler

冷轧卷取机胀缩机构在使用过程中轴向斜楔头部的断裂问题是影响板带材连续生产的一个主要技术难题,通过卷取过程钢卷箍紧力计算、胀缩机构的受力及其自锁条件分析及胀缩过程的有限元仿真,合理解释了轴向斜楔头部断裂的原因,同时也为胀缩结构的设计及其润滑条件提供了重要的参考依据。

It is a difficult problem to the crack of axial wedge in the expanding-collapsing process of coiler, it went against the continuous production of strip. By the calculation of the internal stress in the coil during a strip coiling process, the force analysis of the expanding-collapsing device and the analysis of its self-locking conditions, and the FEM simulation of the expanding and collapsing process, a reasonable explanation were put forward for the the crack of axial wedge, it also provided a reference for the design of the expanding-collapsing device and the lubrication conditions.