拉模孔形状 die profile
模孔形状
Die shape
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本文提出预变形模具设计方法，它把模孔形状预先设计成与型材挤压时变形相反的方向，从而获得合格的挤压型材。
In this paper the predeformed designing method has been proposed, according to it, die holes should be predeformed with the direction opposite to that which tend to happen during extrusion practices.
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