This paper proposes that: the deformation in stamping design prefabricated hole forming specific height fittings first tee is feasible, but needs to process parameter optimization.
本文主要研究以冲压变形规律设计的预制孔管件一次成形特定高度的三通管是可行的，但需对工艺参数优化。
Manufacturing the automobile spoke components is a multi-step stamping forming process, the round-hole flanging often cracks in the last process.
汽车轮辐零件的制作是一个多工步冲压成形过程，在最后一道工序圆孔翻边时经常出现开裂。
Manufacturing the automobile spoke components is a multi-step stamping forming process, the round-hole flanging often cracks in the last process.
汽车轮辐零件的制作是一个多工步冲压成形过程，在最后一道工序圆孔翻边时经常出现开裂。
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