A blanking production technology of the motorcycle bulb was analyzed, and a set of progressive blanking die was designed for the shell.
分析了一种摩托车大灯灯泡前金属外壳的冲压生产工艺，设计了一套级进冲压模具。
A blanking production technology of the motorcycle bulb was analyzed, and a set of progressive blanking die was designed for the shell.
分析了一种摩托车大灯灯泡前金属外壳的冲压生产工艺，设计了一套级进冲压模具。
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