The feed regulation in ring rolling is researched on the basis of production of driven bevelgearblank in back bridge of EQ140 automobile in this paper.
本文结合EQ140汽车后桥从动伞齿轮辗扩实践，对环形件辗扩工艺的进给规范进行了研究。
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In this paper, the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed.