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Keywords = tandem flexible skew rolling

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18 pages, 15974 KB  
Review
Analysis and Prospect of Precision Plastic Forming Technologies for Production of High-Speed-Train Hollow Axles
by Xuedao Shu, Caoqi Ye, Jitai Wang, Yingxiang Xia, Song Zhang, Ying Wang, Haijie Xu and Yimin Deng
Metals 2023, 13(1), 145; https://doi.org/10.3390/met13010145 - 10 Jan 2023
Cited by 10 | Viewed by 3062
Abstract
The hollow axle is the key basic component of high-speed trains. How to realize its production with short process and high-quality precision plastic forming is the frontier of current research and a major problem to be solved. On the basis of analyzing the [...] Read more.
The hollow axle is the key basic component of high-speed trains. How to realize its production with short process and high-quality precision plastic forming is the frontier of current research and a major problem to be solved. On the basis of analyzing the advantages and disadvantages of the existing forging process of the hollow axle, this paper expounds the principles and characteristics of multi-wedge synchrostep cross-wedge rolling (MSCWR) technology, multi-roll cross-wedge rolling (MCWR) technology, three-roll skew rolling (TRSR) technology, and tandem flexible skew rolling (TFSR) technology in detail, and discusses the feasibility and key technical problems of these technologies to form the hollow axle. It is concluded that tandem flexible skew rolling (TFSR) technology has the advantages of short process, high quality, high efficiency, energy saving, and material saving, and this technology is the development direction of precision plastic forming of the hollow axle. The research results provide technical guidance and research directions for promoting global high-speed rail development. Full article
(This article belongs to the Special Issue Rolling Process of Metallic Materials)
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