In this article shapes of parisons and blowing mandrels for injection blow mouldings were designed according to the shapes of finished articles and the feature of injection blow moulding process.
本文依据中空容器的结构特点及注射吹塑成型机成型工艺特点，设计注射吹塑用型坯及芯棒。
PVC is easy to process by extrusion, injection molding, calendering, blow molding, compressing, cast moulding and thermal molding, etc.
产品易于成型加工，可以采用挤出，注塑，压延，吹塑，压制，铸塑及热成型等多种成型方法进行加工。
PVC is easy to process by extrusion, injection molding, calendering, blow molding, compressing, cast moulding and thermal molding, etc.
产品易于成型加工，可以采用挤出，注塑，压延，吹塑，压制，铸塑及热成型等多种成型方法进行加工。
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