论述了温挤压成形时存在模具磨损与挤出齿轮件头部凸的问题，分析了其产生的原因与造成的后果。
The existing questions of mould wear and the protruding head of spur gear during the warm extrusion are discussed and the reason and aftereffect are analyzed.
论述了温挤压成形时存在模具磨损与挤出齿轮件头部凸的问题，分析了其产生的原因与造成的后果。
The existing questions of mould wear and the protruding head of spur gear during the warm extrusion are discussed and the reason and aftereffect are analyzed.
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