塑料门窗型材焊角开裂初探

Probe into Cracking on Weld Corners of Section Bars of Plastic Sashes

对塑料门窗组装、安装及使用过程中焊角开裂形式和形成的原因 ,从原材料、配方、成型工艺、焊接工艺、安装方法等几方面做了分析和探讨。

From aspects of raw materials, formulation, shaping process, welding process and erecting method, etc.this paper analyses on and probes into the forms and reasons of the cracking on weld corners of section bars of plastic sashes in the course of assembling and applying.