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Abstract：
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in this paper, a experimental study of upsetting-extrusion-rotary forging compound pro-cess is made by using physical simulation technique. The flowing law of the metal in the meridian surfaceof the deformed body is investigated by using visioplasticity method. As a result, the effect of deformationmodes, feeding amount, initial aspect ratio of the workpiece, deformation temperature and degree ofdeformation on the fomard and backword extrusion length and flange profile are clarified and the empir-ical curves for selecting optimum blank demensions and deformation mode are found out by applying regression method to a large amount ofexperimental data.The experimental foundation of complex parts are provided.
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AuthorIntro：
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Reference：
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［1］裴兴华等，圆柱形工件、环形工件摆辗变形特征及辗压力测定《锻压技术》1987年
［2］
［丹麦］。TKoch等，“摆动辗压的物理模拟”译文《锻压技术》1989．5。
［3］M．KobayashiandT．Nakane，＂DeforniationBehaviourinSimultaneousExtrusion－UpsettingbyRotaryForging＇＇．lst，InternationalConf．onRotaryMetaI－WorkingProcess1984
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