Transactions of Materials and Heat Treatment

Title：Spinning-extrusion compound forming of inner-outer tooth for thin-walled cylinder

Authors： Yan Jiang Lu Zhiyuan Mi Baojiang Shen Yu

Unit： Inner Mongolia First Machinery Group Corporation

KeyWords： inner-outer tooth of thin-walled cylinder spinning-extrusion compound forming springback froming precision material flow

ClassificationCode：TG376

year,vol(issue):pagenumber：2020,45(3):77-80

Abstract：

For the problem of low processing efficiency, high cost and low precision for thin-walled cylinder with inner-outer tooth, the thin-walled cylinder was selected as billet, and its spinning-extrusion compound forming process was studied. Then, the relevant motion law and the material flow characteristics of spinning-extrusion compound forming were analyzed, and the relevant forming process parameters were determined by theoretical calculation and numerical simulation. Furthermore, the relevant tooling was manufactured, the high-precision thin-wall cylinder with inner-outer tooth was formed, and the relevant process parameters and simulation model were verified. The results show that the high-precision thin-wall cylinder with inner-outer tooth is formed efficiently by the spinning-extrusion compound forming process, and the relevant processing parameters are reasonable and reliable. Thus, the built numerical simulation model accurately predicts the material flow and springback characteristics, and the obtained results provide reference for the development of spinning-extrusion compound forming process for such parts.

Funds：

闫江（1962-），男，学士，研究员级高级工程师 E-mail：tq0a89z@sina.com 通讯作者：卢知渊（1986-），男，学士，工程师 E-mail：826642854@qq.com

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