Involute curve roller trace design and optimization in multi-pass conventional spinning based on the forming clearance compensation

[+] Author and Article Information
Li Zixuan

818, Fenghua Road, Jiangbei District Ningbo, Zhejiang 315211 China lizixuan@nbu.edu.cn

Shu Xue-dao

Fenghua Road 818 Ningbo, Zhejiang 315211 China shuxuedao@nbu.edu.cn

1Corresponding author.

Manuscript received September 12, 2018; final manuscript received June 9, 2019; published online xx xx, xxxx. Assoc. Editor: Yannis Korkolis.

ASME doi:10.1115/1.4044007 History: Received September 12, 2018; Accepted June 10, 2019


In industrial production, the roller trace design is still based on the trial-and-error method which is more like an art than science. In this paper, we establish the mathematical model of the involute curve roller trace and adopted the forming clearance compensation in the attaching-mandrel process. The backward pass roller trace is optimized considering that the blank springback may interference the roller. The spinning simulation model of seven forming passes is set up and verified by the experiments with superalloy GH3030. The wall thickness, strain distribution and tool forces are analyzed. The results show that the forming clearance compensation can greatly shorten the forming time, enhance the production efficiency and saving energy. The metal accumulates at the edge of the blank and the maximum thinning zone is appeared near the edge and is easy to crack. In the straightening pass, the tool forces of both the roller and mandrel are larger than the other passes.

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