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《Forging & Stamping Technology》 2009-01
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Design optimization for warm forming process of engine shell of high strength steel

YU Jian-min1,ZHANG Zhi-min1,ZHAO Long2(1.Engineering Technology Research Center of Integrated Precision Forming,North University of China,Taiyuan 030051,China;2.Xinzhou General Machinery Limited Company,Xinzhou 034000,China)  
Aiming at the deformation uneven problems of the engine shell in the production process,the forming process was numerical simulated to optimize the forming process parameters and improve the forming die structure and contrast the two forming plans of plastic deformation and extrusion forming force.Finally,the experimental verification was done.The results show that improving technology can solve the deformation of inclined step,reduce the forming force and greatly increase the die life.Thus production volume was increased from 150 pieces to a thousand level.The production cost is reduced and it has important guiding significance to actual production.
【CateGory Index】: TG376
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