PVC塑料门窗型材焊缝开裂原因分析  

REASONS ANALYSIS OF WELD CRACKING OF PVC PLASTIC DOOR AND WINDOW PROFILE

作　　者：李文学 王晓华 

机构地区：[1]山东方大工程有限责任公司,淄博255150

出　　处：《工程塑料应用》2011年第9期53-54,共2页Engineering Plastics Application

摘　　要：论述了聚氯乙烯(PVC)塑料门窗型材焊缝开裂的主要形式和原因,主要分析了焊接应力对焊接强度造成的影响,并提出了控制焊接应力的方法。The main forms and reasons of weld cracking of PVC door and window profile were discussed. The effect of welding stress on weld strength was analyzed mainly. Moreover, the method of controlling welding stress was mentioned.

关 键 词：聚氯乙烯型材 焊缝开裂 焊接应力 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]