Author(s): Wang Shuqun, Zong Ruiwu, Lin Liang, Department of Quality Control, Harbin Bearing Group Corporation, Harbin Precise and Special Bearing Plant Co., Ltd.
Pages: 67-69
Year: 2014 Issue:  2
Journal: JOurnal of Harbin Bearing
Keyword:  cold forging machine; blank of roller; cutting blade; shearing;
Abstract: Z31-25 cold forging machine now was used to work the blank of bearing roller. The cutting blade was improved on the basis of analyzing cutting method and principle of cold forging machine, so that the weight tolerance and sunk corner of cross section of roller blank were both improved. The evenness and quality of cross section were guaranteed.