Transactions of Materials and Heat Treatment

Title：Multi-directional controllable precision forming for instrument valve body

Authors： Liu Guanghui Liu Hua Wang Tao Wang Jinbao

Unit： Zhengzhou Research Institute of Mechanical Engineering Co. Ltd.

KeyWords： instrument valve body multi-direction controllable precision forming metal flow load-stroke curve friction coefficient

ClassificationCode：TG314.3

year,vol(issue):pagenumber：2020,45(3):8-13

Abstract：

A new multi-direction controllable precision forming process of instrument valve body was presented, and its precision forming process was numerically simulated by finite element simulation software Deform-3D. Then, the process difficulties of parts and the load-stroke curve, the metal flowing rule during forming process and the influences of different friction coefficients on the forming process were analyzed. Finally, the experiment was conducted to validate the simulation results. The results show that the new multi-direction controllable precision forming of instrument valve body is feasible, the simulated forgings are full filled, the metal flowing is uniform during the forming process, the metal flowing line is basically along the contour of forgings, and the maximum load is 6.21×106 N. In addition, the friction coefficient has a great effect on the forming process, the products obtained from the experiment and the simulation results are consistent, and the sizes of forgings are consistent well. Thus, the process is reliable, which has certain directive significance to the multi-direction controllable precision forming process of this kind of parts.

Funds：

郑州市科技重大专项资金（152PZDZX007）

刘光辉(1989-),男,硕士,工程师 E-mail：liu0406gh@163.com 通讯作者：刘华（1962-），男，博士，博士生导师，研究员 E-mail：13903832971@163.com

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