The fundamental research of the UPVC profile extrusion tooling was discussed and the key techniques in the course of design, manufacture and debugging of the tooling were stated.
2
结合木塑复合型材挤出模具研发过程，分析了该类模具的设计要点，描述了木塑复合型材挤出生产的工艺特点。
The main points in design according to developing work of extrusion moulds are analyzed. Special extrusion technique for plastic-wood composite profiles is also described in this article.
3
挤出成型是塑料加工的主要方法之一，而挤出模具又是成型塑料异型材的主要设备。
Extrusion is one of the main methods of plastic product and extrusion die is the important equipment to manufacture plastic profile.
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