Transactions of Materials and Heat Treatment

Title：Optimization on electrically assisted deep drawing spinning process for 30CrMnSiA cup-shaped part

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ClassificationCode：TG306；TH161.2

year,vol(issue):pagenumber：2020,45(1):96-102

Abstract：

For the electrically assisted deep drawing spinning process of 30CrMnSiA cup-shaped part, the inner diameter deviation and reverse cone angle were taken as the forming quality indicators. Then, the electrically assisted deep drawing spinning experiment of 30CrMnSiA cup-shaped part was conducted, and the influences of current and spinning process parameters on the reverse cone angle of spinning part were analyzed based on the response surface method. The results show that the current, preheating time and feeding ratio have significant influences on the reverse cone angle of spinning part, while the relative clearance between roller and mandrel has little effect on the reverse cone angle. Therefore, the influences of current and feeding ratio on the reverse cone angle are interactive, and the interaction between preheating time and feeding ratio on the reverse cone angle is significant. Furthermore, the optimal process parameters of 30CrMnSiA cup-shaped part manufactured by electrically assisted deep drawing spinning are I=1200 A，th0=52 s，f=0.36 mm·r-1，δ=-38%.

Funds：

广州市科技计划项目(201804010135)

作者简介：徐晓（1963-），男，硕士，副教授 E-mail：simonxx@scut.edu.cn 通讯作者：夏琴香（1964-），女，博士，教授 E-mail：meqxxia@scut.edu.cn

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