消除纸幅卷曲的对策

On Measures for Web Dccurling

本文论述纸幅卷曲的类型,产生卷曲的原因,生产过程中的操作条件和装备配置对纸幅卷曲的作用和影响及其对策,总之,应使纸幅避免产生内应力,使纸幅两面受力均衡,并始终在稳定状态下通过。

Web will curl in the process of production if it is treated in an improper way. It will bring about series of serious difficulties in subsequent treatment, and it is also one of main causes accounted for occurcncc of waste product. For this reason it is imperative to take measures to prevent the curling of web. This article expounds types and causes of web curling, as well as the effect and influence affected by conditions in operation and disposition of equipments on web curling, and how to adopt measures respectively. In general, the principle is that it should prevent to cause internal stress in web and attain forces balance on both surfaces of the web, in order to bring its passing through from beginning to end in a stable status.