Abstract
Cross wedge rolling (CWR), as an efficient metal plastic forming process, has always been investigated perseveringly by many nations' scholars for a number of years. Currently, with the fast development of economy, the increased demand is asked for various stepped shaft in different departments, especially in automobile industry, which also makes CWR research and development vigorous. A historical perspective tracing research and development in CWR is summarized and the trends for future research given in this paper, which are helpful to the development and application of CWR technology.
