农业机械学报2011，Vol.42Issue(12)：202-207,6.
结合部动力学特性的立柱-主轴系统动力学模型研究
Column-spindle System Dynamic Model Based on Dynamic Characteristics of Joints
摘要
Abstract
For the needs of dynamic analysis of the horizontal machining center, the distribution of linear guide, bolt joints, ball screw and bearing which main affect the dynamic characteristics of column-spindle system were discussed, then the dynamic parameters identifying method and finite element modeling method for these joints were presented. The stiffness and damping of linear guide were identified by the combination of experimental tests and finite element analysis, and the ball screw contact stiffness was calculated based on Hertz contact theory. On this basis, the finite element model for the column-spindle system of a horizontal machining center was established. The accuracy of the finite element analysis model was verified by testing the tool point frequency response function of column-spindle system. Then influence of linear guide for the dynamic characteristics of column-spindle system was analyzed.关键词
立柱-主轴系统/结合部/导轨/动力学/有限元Key words
Column-spindle system/ Joints/ Linear guide/ Dynamic/ Finite element analysis分类
机械制造引用本文复制引用
米良,殷国富,孙明楠,王小虎..结合部动力学特性的立柱-主轴系统动力学模型研究[J].农业机械学报,2011,42(12):202-207,6.基金项目
国家重大科技专项资助项目(2009ZX04001-013、2009ZX04001-023) （2009ZX04001-013、2009ZX04001-023）
