Transactions of Materials and Heat Treatment

Title：Study on the die and process experiment of open\|die cold extrusion for straight\|side spline shaft

Authors： Beijing Research Institute of Aeronautical materials Huang Zhaohui Jilin University of Technology Fu Peifu

Unit：

KeyWords： Spline shaft Open\|die extrusion Die Bulging

ClassificationCode：TH131.4

year,vol(issue):pagenumber：1999,24(5):51-53

Abstract：

The geometry of die entrance and the die spring\|back which have an effect on the spline shaft forming,as well as the die frame of open\|die cold extrusion,are discussed in accordance with straight\|side spline shaft of 125cc motorcycle.The range of forming ability of the open\|die extrusion for the spline shaft in which the bulging can be avoided is put forward.

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Reference：

1　Shinichiro,etal.Coldand w arm forging application in the autom otive industry. Journalof Materials Processing Technology, 1992,35 (34): 317～342
2　杨长顺. 冷挤压模具设计. 北京: 国防工业出版社, 1994.
3　付沛福, 黄朝晖等. 花键轴开模冷挤压成形条件研究. 农业机械学报, 1997, 28: 129～133
4　D Y Yang, C H Han. A generalized m ethod for analysis ofthreedim ensional extrusion of arbitrary shaped sections. Int. J. M ech.Sci., 1986, 28 (8): 517～534

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