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Semi-Analytical Modelling of Synthetic Static Stiffness for Machining System of Five Axis Machine Tool
[摘要] A static stiffness model of the machine tool end considering the whole kinematic chain of the machining system is proposed. The whole kinematic chain is divided into the cutter subsystem and the handle-spindle-motion axes subsystem. The two subsystems are equivalent to a variable diameter cantilever and a variable length cantilever. The 3D static stiffness at the end of the machining system could be resulted by both theoretical calculation and experimental measurement. The static stiffness along different directions are analysed based on the force ellipsoid theory.
[发布日期]  [发布机构] Key Laboratory of Metallurgical Equipment and Control Technology, Wuhan University of Science and Technology, Wuhan, China^1;Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering, Wuhan University of Science and Technology, Wuhan, China^2;State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan, China^3
[效力级别] 无线电电子学 [学科分类] 
[关键词] Five-axis machine tools;Force ellipsoids;Kinematic chain;Machining systems;Static stiffness;Theoretical calculations;Variable diameter;Variable length [时效性] 
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