Analyzed press technology characteristics of vent-windows of the car side board, designed a lancing-drawing compound die.

  • 分析了车厢侧板零件通风窗冲压加工的工艺特点, 设计了一副针对该零件加工的切口拉伸复合模.

  • 互联网摘选 2025-01-18 12:46:27

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