Journal of Shanghai Jiaotong University ›› 2017, Vol. 51 ›› Issue (11): 1304-1311.doi: 10.16183/j.cnki.jsjtu.2017.11.004

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Research on Design Method of Variable Thickness Blanks for Aluminum Alloy Head Spinning Forming

SONG Jinlong,ZHAO Yixi,YU Zhongqi,KONG Qingshuai   

  • Online:2017-11-30 Published:2017-11-30
  • Contact: Shanghai Key Laboratory of Digital Manufacturing for Complex Thin-Walled Structure, Shanghai Jiao Tong University, Shanghai 200240, China

Abstract: : Based on numerical simulation model of multi-pass spinning, geometry mapping relationship between the blank and spinning component was studied, and two different design methods of variable thickness blank were proposed to improve forming quality. The results showed that the two kinds of variable thickness blanks which had reasonable material distribution along the radial direction, could obviously improve the wall thickness uniformity of the spinning parts, but the variable thickness blank could also give rise to larger spinning force. By using the design method for variable thickness blank, the spinning forming experiment of aluminum alloy spherical head was completed with the good forming quality.

Key words: spinning process, variable thickness blanks, geometric mapping relationship, forming quality

CLC Number: