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Abstract：
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Two kinds of free forging technologies were introduced.The one was to reform the big scissor blade into two.The forged pieces went through the processes of abrading,averagely distributing weight and warming-up locally,gas cutting dividing and two stages forging.Secondly, the forging mat iron employed the reverse deformation technology.A certain deformation was preformed,which was in the reverse direction with that of forming. After natural figuration,it got qualified size and saved a large quantity of raw material.
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AuthorIntro：
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Reference：
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[1]中国机械工程学会锻压学会.锻压手册(第一卷)[M].北京:机械工业出版社,1993.
[2]王全聪,郭会光.大型锻造的模拟研究[J].锻压机械,2002,(3):34-37.
[3]刘助柏.塑性成型新技术及力学原理[M].北京:机械工业出版社,1995.
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