2018, Volume 13, Issue 1
Frontiers of Mechanical Engineering >> 2018, Volume 13, Issue 1 doi: 10.1007/s11465-018-0480-3
Research and industrialization of near-net rolling technology used in shaft parts
School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
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Abstract
Shaft part rolling is an efficient and green near-net shaping technology offering many advantages, including high production efficiency, high material utilization rate, high product quality, and excellent production environment. In this paper, the features of shaft part rolling are introduced along with the working principles of two main shaft part rolling technologies, namely, cross wedge rolling (CWR) and skew rolling (SR). In relation to this technology, some R&D achievements gained by the University of Science and Technology Beijing are summarized. Finally, the latest developments in shaft part rolling are presented, including SR steel balls, precise forming of camshaft blank by CWR, SR phosphorous copper balls at room temperature, and CWR hollow axle sleeve. Although the shaft part rolling technology has been widely used in China, it only accounts for about 15% of applicable parts at present. Nevertheless, this technology has broad application prospects.
Keywords
cross wedge rolling ; skew rolling ; near-net rolling ; shaft part
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