To counter the control of the key size of the mould in the mould design for a plastics part, magnetic metal bar was used to the holding of the metal insert part in the mould.
针对某一塑料件产品的模具设计过程中遇到关键尺寸难于控制的问题。采用磁性金属棒对模具中的塑料嵌件进行定位。
The process of typical metal insert of oil seal was analyzed, and the composite die was used to form this kind of part. Meanwhile, its structure and working principle were also der demonstrated.
通过对典型的油封骨架进行工艺分析，采用复合模对骨架加工成形的工艺，并详细说明了此复合模的结构及工作原理。
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