Transactions of Materials and Heat Treatment

Title：Analysis on design and optimization of a new vertical counter-roller spinning machine with four pairs of rollers

Authors： Xu Wenchen Jiao Jian Chen Yu Jiang Xuwei Wang Senpeng Li Kuilong Wang Guangnan Shan Debin

Unit： Harbin Institute of Technology

KeyWords： counter-roller spinning machine thinwall cylindrical workpieces stiffness check finite element displacement method Solidworks

ClassificationCode：TG305

year,vol(issue):pagenumber：2019,44(1):102-112

Abstract：

The counter-roller spinning machine is of great significance for the flexible manufacturing of ultra-large thin-wall cylindrical workpieces. Therefore, the structure design of vertical counter-roller spinning machine was conducted, and the structures of each component and the whole machine were simulated by software Solidworks. Then, their structures were optimized. The results show that the maximum displacement of each component is smaller than 0.15 mm, and the maximum equivalent stress is much lower than the yield strength of selected materials. Therefore, the machine can safely work under the given load. In addition, the stiffeners are added to the spinning machine frame to improve the structure stiffness and machine precision. Finally, a new vertical counter-roller spinning machine with four pairs of rollers were manufactured which could carry 60 kN in the radial direction and 150 kN in the axial direction, and the counter-roller spinning experiment of aluminium alloy cylindrical workpiece was conducted successfully.

Funds：

徐文臣( 1976－)，男，博士，副教授，E-mail：xuwc_76@hit.edu.cn；通讯作者：单德彬( 1967－)，男，博士，教授，E-mail：shandb@hit.edu.cn

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