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Abstract：
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The process design of seamless pipe hot upsetting-extruding method for making flange was introduced.The study and application on material option of the seamless pipe,heating methods,die lubricating ways,material option and heat treatment of the die,stability and folding prevention were analysed in detail. Meanwhile,the result demonstrates that the process of heating partially,then extruding several times after lubricating the die and finally forming the flange are feasible.
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AuthorIntro：
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Reference：
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[1]上海交通大学锻压教研组.胎模锻技术[M].上海:国防工业出版社,1979.
[2]冯晓曾,王家瑛,何世禹.提高模具寿命指南[M].北京:机械工业出版社,1994.
[3]俞彦勤,黄早文,邓卫东,等.抽油光杆镦锻模具设计[J].锻压机械,2001,(5):10-12.
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