Abstract
Shaft part rolling is an efficient and green nearnet 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.
Highlights
Shaft part rolling is a type of technology that forms shaft parts by means of rolling [1]
This paper briefly introduces the features of shaft part rolling and the working principles of the two main types of shaft part rolling: Cross wedge rolling (CWR) and skew rolling (SR)
Some R&D achievements gained by the University of Science and Technology Beijing (USTB) regarding this technology are summarized
Summary
Shaft part rolling is a type of technology that forms shaft parts by means of rolling [1]. As shaft parts are shaped during rotation, this technology is classified as a rotary forming process [2]. In China, researchers began to study shaft part rolling in the mid-20th century. After 60 years of development, China has fully mastered this technology, and the process has been widely applied in the industrial manufacture of shaft parts, balls, preforms of forging, and so on. This paper briefly introduces the features of shaft part rolling and the working principles of the two main types of shaft part rolling: Cross wedge rolling (CWR) and skew rolling (SR). The latest developments in shaft part rolling are presented
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