The size of upsetting-burring punch and angle of support panel also have great impacts on the upsetting-burring.

镦粗凸模尺寸以及下支撑板斜角对镦粗翻边有较大的影响。

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The size of upsetting-burring punch and angle of support panel also have great impacts on the upsetting-burring.

镦粗凸模尺寸以及下支撑板斜角对镦粗翻边有较大的影响。

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