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方花键轴开模冷挤压的模具设计及工艺实验研究
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英文标题：Study on the die and process experiment of open\|die cold extrusion for straight\|side spline shaft |
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作者：黄朝珲 付沛福 |
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单位：北京航空材料研究院!100095 吉林工业大学 |
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关键词：花键轴 开模挤压 模具 局部镦粗 |
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分类号：TH131.4 |
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出版年,卷(期):页码：1999,24(5):51-53 |
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摘要：
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针对１２５ｃｃ 摩托车变速箱的方花键主轴， 讨论了花键开模挤压的模具结构特点和影响花键成形的模具回弹问题， 提出在开模挤压的可成形性范围内选择入模角， 可以避免挤压时出现的入模口局部镦粗现象的发生
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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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基金项目：
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作者简介：
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参考文献：
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1 Shinichiro,etal.Coldand w arm forging application in the autom otive industry. Journalof Materials Processing Technology, 1992,35 (34): 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 ofthreedim ensional extrusion of arbitrary shaped sections. Int. J. M ech.Sci., 1986, 28 (8): 517～534
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