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摘要：
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论述了国内外制造交流发电机转子磁极的锻造工艺 ,介绍了热、冷复合精密锻造新工艺和分流式反挤压模具。该工艺和模具在生产应用中优质、高效、节材、节能、降低生产成本 ,社会经济效益显著
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The forging processes for the alternator pole at home and abroad were discussed in the paper.The new technology consisting of the heat forging and cold precision forging process and the dies for branching indirect extrusion developed by the author was introduced.The process was appied in practices.The quality of the parts and productivity were raised considerably, and the consumption of energy and raw materials and the production cost were reduced greatly, resulting in significant economic and social benefit.
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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 陈渝光汽车电器与电子设备北京:机械工业出版社,1999:20～23
2 蔡利,胡亚民,车路长电磁纯铁的锻造及冷成形性能研究汽车工艺与材料,1998(9):25～28
3 Ekkeharak rner,RichardKn dler,PossibilitiesofWarmExtrusioninCombinationwithColdExtrusionJournalofMaterialsProcess ingTechnology,1992,35:451～456
4 XieTan,JiaDewei,etalTheApplicationandDevelopmentofPreci sionPlasticFormingTechnologyinChinaTheSeventhAsiaSympo siumonPrecisionForgingGuilinChina,2000:1～5
5 LinXinbo,FengJianhua,etalTheResearchofAutomotiveAlter natorPoles’KeyFormingOperationinWarmForgingTheSeventhAsiaSymposiumonPrecisionFormingGuilinChina,2000:139～142
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