The molding size was designed according to the average shrinkage ratio of polypropylene. The microgroove demoulding problem was solved though the design of the chain driving system and the revolving method.

  • 按聚丙烯的平均收缩率设计计算模具成型尺寸,设计链传动机构,用旋转脱出的方法解决塑件细纹脱模问题。

  • 互联网摘选 2026-07-14 18:32:59

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