Transactions of Materials and Heat Treatment

Title：Research and optimization on plastic forming process for automobile non-standard shaft sleeve based on numerical simulation

Authors： Shi Haihong1 Shi Yuxuan2 Ren Yan3

Unit： 1. Anyang Vocational and Technical College 2.Harbin Institute of Technology 3. Henan Polytechnic University

KeyWords： non-standard shaft sleeve plastic processing cold compression test folding floating die structure

ClassificationCode：TG316.3

year,vol(issue):pagenumber：2023,48(11):22-28

Abstract：

For a non-standard shaft sleeve, aiming at the problems of multiple processes for manufacturing method, low efficiency and high material cost in cutting process, a plastic processing process was proposed and studied. The rheological properties of the actual forming material were obtained by the cold compression test, and based on this, the plastic forming process of non-standard shaft sleeve was numerically simulated by using Deform-3D software, the material flow condition at different stations was analyzed, the folding defect at the head of shaft sleeve and the stage of defect generation were predicted, and the test was carried out to verify. Furthermore, the shape of part in station 3 was improved, and the folding defect at the head of shaft sleeve was effectively solved by combining with the floating die structure. Finally, according to the research results, the non-standard shaft sleeve was re-produced, and the obtained shaft sleeve was consistent with the expectation without folding defects at the head and with a good appearance, which verified the accuracy of the simulation analysis. The results show that the size of shaft sleeve can meet the production requirements. Compared with the cutting process, it can not only achieve high-speed batch production, but also improve the material utilization rate to 86.1%.

Funds：

河南省高等学校重点科研项目（23B460027）

作者简介：史海红（1972-），男，学士，高级实习指导教师，E-mail：shihaih1972@126.com

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