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	关节间隙对并联机床精度的影响规律研究
	王海军 ; 王君英 ; Wang Haijun ; Wang Junying
	2010-07-19 ; 2010-07-19
关键词	运动学分析 关节间隙 接触力 运动仿真 kinematic analysis joint-clearance contact force kinematic simulation TG659
其他题名	Research on Influence of Joint-clearance on Parallel Machine Tool’s Precision
中文摘要	由于关节间隙的存在,并联机构末端执行器经常会产生一些运动误差,这些误差的大小与关节间隙的大小、关节位置和机构姿态都有关系。对某四自由度混并联机床进行了运动学分析,在ADAMS软件中建立了该机床并联机构的虚拟样机,采用接触力方式定义了机构关节间的传动关系,通过运动仿真研究了部分关节间隙对机构运动精度的影响规律,验证了方法的可行性。; Due to clearances in their joints, parallel mechanism always exhibits some kinematic errors at the end effector.The amount of error depends on the amount of joint-clearance, the joint position, and the pose of the manipulator.The kinematic analysis of a 4-DOF hybrid machine tool was studied, a virtual prototyping of the parallel mechanism was established in ADAMS/View,and a kind of transmission-contact force between the joint of mechanism parts was presented.The regularity of influence was obtained through a kinematic simulation when the mechanism has several joint-clearances. The results show that this method is suitable to analyze this kind of problems.; 国家自然科学基金资助项目(50275084)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/76864]
专题	清华大学
推荐引用方式 GB/T 7714	王海军,王君英,Wang Haijun,等. 关节间隙对并联机床精度的影响规律研究[J],2010, 2010.
APA	王海军,王君英,Wang Haijun,&Wang Junying.(2010).关节间隙对并联机床精度的影响规律研究..
MLA	王海军,et al."关节间隙对并联机床精度的影响规律研究".(2010).

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