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《China Mechanical Engineering》 2016-24
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Tool Failure Analysis and Cutting Parameter Optimization of Coated Carbides in Precipitation-hardening Stainless Steel High Feed Rate Milling

Yang Sen;Sun Jianfei;Li Haiyan;Han Liping;Beijing University of Aeronautics and Astronautics;Beijing Engineering Technological Research Center of High-efficient & Green CNC Machining Process and Equipment;Changzhi Qinghua Machinery Factory;  
In dealing with the problems of low efficiency and server tool wear in high feed milling precipitation-hardening stainless steel(05Cr17Ni4Cu4Nb),a series of single factors and orthogonal experiments with coated carbides tool were carried out.An experiential function of tool life was developed based on the experiments by using regression analysis.Tool failure mechanism was analyzed according to tool wear measurements and wear morphology,the cutting force,cutting temperature and tool stress contour were simulated with finite element analysis.Taking full account of cutting efficiency and tool life,the cutting parameters of coated carbides tool in precipitation-hardening stainless steel high feed rate milling were optimized using the tool life-efficiency surface response method by reference to finite element analysis results and the tool life experiential function.The optimal cutting parameters and tool life under this condition were obtained.
【Fund】: 航天一院高校联合创新基金;; 国家科技重大专项(2013ZX04001061);; 中央高校基本科研业务费专项资金资助项目
【CateGory Index】: TG71
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