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减少塑胶模具加工中的收缩方式介绍

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扫一扫!减少塑胶模具加工中的收缩方式介绍扫一扫!
浏览:- 发布日期:2017-09-29 20:27:42【

在塑胶模具部件较厚位置,如筋肋或突起处形成的收缩要比邻近位置更严重,这是由于较厚区域的冷却速度要比周围区域慢得多。冷却速度不同导致连接面处形成凹陷,即为人们所熟悉的收缩痕。这种缺陷严重限制了家电注塑模具产品的设计和成型,尤其是大型厚壁制品如电视机的斜面机壳和显示器外壳等。

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