Transactions of Materials and Heat Treatment

Title：Spinning process and die design for hemispherical shell

Authors： Wang Xingyun Liang Jing Zhang Xiaoming Lin Xiaohui

Unit： Xi′an Supercrystal Technology Development Co. Ltd. Northwest Institute for Nonferrous Metal Research

KeyWords： spinning hemispherical shell die design twocavity method work hardening

ClassificationCode：TG306

year,vol(issue):pagenumber：2017,42(6):145-149

Abstract：

Based on the analysis of the spinning forming process for hemispherical shell parts, twocavity method producing hemispherical shell was presented, and the hemispherical shell with the required size were obtained by die making and spinning. Then, hemispherical shells produced by steel, titanium, copper, fine silver and other materials were spun successfully. The results show that twocavity method for spinning hemispherical, eccentric hemisphere and ellipsoid shell can reduce the passes of the metal deformation and hardening, and the final size of the shell precision can be elevated. Finally, the spinning parts with a better surface quality can be obtained by the reasonable use of the prepressing slab and the tail under the rotating speed of 150-250 r·min-1 and feed rate of 1-3 mm·r-1.

Funds：

陕西省西安市科技计划项目(CY1312)

王幸运（1985-），男，硕士，工程师

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