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Title:Multi-directional precision forming technology of ball cage universal joint outerace forgings with flange
Authors: Zhang Chao  Liu Guanghui  Zhang Yishuai  Wang Tao  Wang Jinbao  Liu Baixuan  Liu Hua 
Unit: Zhengzhou Research Institute of Mechanical Engineering Co.  Ltd. 
KeyWords: ball cage universal joint outerace with flange  multi-direction precision forming  equivalent stress  temperature distribution  machining allowace 
ClassificationCode:TG314.3
year,vol(issue):pagenumber:2020,45(9):35-40
Abstract:

For a certain type of ball cage universal joint outerace part with flange, according to the structural characteristics of the ball cage universal joint outerace part with flange, the shape of forging was redesigned, and the outerace forging with complex shape close to the sizes of part was formed in one step by adopting the multi-directional precision forming technology. Then, the forming process of forging was analyzed by finite element simulation method Deform-3D, and based on the filling effect, the temperature field distribution, the load-time curve, the equivalent stress nephogram etc., the corresponding mold structure was designed to conduct the process experiment. Through the process experiment, the ball cage universal joint outerace forging with flange was successfully produced, and the process saved material of 30% compared with the die forging process, and the machining allowance of forging was reduced to effectively shorten the subsequent machining time. At present, this type of forging was mass produced with good appearance and stable sizes.

Funds:
郑州机械研究所有限公司创新创业专项基金(203SC2019001-15)
AuthorIntro:
张超(1989-),男,硕士,工程师 E-mail:zc80802@163.com 通讯作者:刘华(1962-),男,博士,研究员,博士生导师 E-mail:13903832971@163.com
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