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《China Mechanical Engineering》 2016-17
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Construction of SLD in Gear Hobbing Process Based on FEA

Li Guolong;Zhao Jun;Liu Xiaoxu;Yang Yong;The State Key Laboratory of Mechanical Transmissions,Chongqing University;Chongqing Machine Tool(Group)Co.,Ltd.;  
Aiming at the problems of predicting gear hobbing chatters by SLD where the dynamics parameters were hard to get and the cutting depth was hard to determine,a 3Dgear hobbing system dynamics model was established considering cutters arbor flexibility of hob.Hobbing system dynamics parameters was calculated with the relationship between limit chip thickness of hob and axial feed.And the SLD of gear hobbing was drawn based on the model.A hobbing chatter experiment plan was designed,features of steady state cutting and chatter cutting was analyzed via experimental data collected,and chatter frequency and chatter subject was determined,the validity of dynamics model established and SLD was verified.It provides a new method to predict hobbing chatter and to choose cutting parameters.
【Fund】: 国家科技支撑计划资助项目(2014BAF08B02);; 重庆市科技人才培养计划资助项目(cstc2013kjrc-qnrc70001)
【CateGory Index】: TG612
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