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Title:Simulation and practice on forging process for toothed shaft sleeve based on Deform-3D
Authors: Li Yuechao Li Ting 
Unit: 1. Department of Automotive Technology Xinxiang Vocational and Technical College 2. Academic Affairs Office  Tianjin First Light Industry School 
KeyWords: toothed shaft sleeve  closed forging process  combined punch structure  forming load Deform-3D 
ClassificationCode:TG316.3;TP391.9
year,vol(issue):pagenumber:2022,47(6):93-98
Abstract:

 A toothed shaft sleeve needs to be formed by multi-stage forging such as reducing diameter, upsetting, back extrusion and punching, and the process was complex with low efficiency and high cost, which needs to be improved urgently. Therefore, a new closed forging process was proposed by using combined punch structure to realize one-time forging, and the improved process was comprehensively analyzed by finite element technology including the forming process of toothed shaft sleeve, stress-strain analysis, load curve change and temperature distribution after shaft sleeve forging. According to the simulation results, the improved process is simple and reliable, the toothed shaft sleeve is completely filled without defects on surface, the internal streamline is continuous and uniform, and the quality is good. Under the same conditions, the forging test was carried out by hydraulic press, and the product obtained was consistent with the simulation effect. Through quality inspection, the tooth shape of product is clear and complete, and all the dimensions meet the requirements. The results show that the improved process improves the production efficiency and reduces the cost, and the guiding role of finite element technology in process research is confirmed.

Funds:
AuthorIntro:
李月超(1984-),男,硕士,讲师 E-mail:382645303@qq.com 通信作者:李婷(1989-),女,硕士,讲师 E-mail:304229759@qq.com
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