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仪表阀体多向可控精密成形工艺
英文标题:Multi-directional controllable precision forming for instrument valve body
作者:刘光辉 刘华 王涛 汪金保  
单位:郑州机械研究所有限公司 
关键词:仪表阀体 多向可控精密成形 金属流动 载荷-行程曲线 摩擦系数 
分类号:TG314.3
出版年,卷(期):页码:2020,45(3):8-13
摘要:

提出一种新的仪表阀体的多向可控精密成形工艺,利用有限元模拟软件Deform-3D,对仪表阀体的多向可控精密成形工艺进行了数值模拟。分析了零件的工艺难点及成形过程中的载荷-行程曲线、金属流动规律及不同摩擦系数对成形过程的影响,最后进行了试验验证。研究结果表明,提出的仪表阀体多向可控精密成形新工艺是可行的,模拟得到的锻件充填饱满,在成形过程中金属流动比较均匀,金属流线基本沿锻件轮廓方向,最大载荷为6.21×106 N;此外,摩擦系数对成形过程的影响较大,工艺试验得到的产品和模拟结果具有较好的一致性,锻件尺寸一致性也较好,说明工艺可靠,对该类零件的多向可控精密成形工艺具有一定的指导意义。

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.

基金项目:
郑州市科技重大专项资金(152PZDZX007)
作者简介:
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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