采用张丝基准的大长度直线运动导引系统的研究  

Research on the Guiding System Using Strained Wire as Datum Line for Linear Motion in Large Distance

作　　者：乔卫东[1] 邱宗明[1] 刘宏昭[1] 郭彦珍[1] 

机构地区：[1]西安理工大学机仪学院,西安710048

出　　处：《仪器仪表学报》2004年第6期825-827,831,共4页Chinese Journal of Scientific Instrument

摘　　要：对以张力金属丝作为大长度直线运动导引基准的可行性进行了分析 ,给出了系统的工作原理。针对竖直面内张力金属丝存在的悬垂对导向精度的影响 ,提出了双丝法对悬垂量进行修正的方法 ,解决了工作台运动位置处悬垂量大小不宜获取的问题。通过实验验证 ,该导引系统可在亚毫米精度范围内实现对导引基准的跟踪。Feasibility of a kind of guiding datum line of linear motion in large distance using strained wire is analyzed.The working principle of the system is presented.In order to avoid the influence on guiding precision due to pendency of wire in vertical plane,a method of amending the pendency of wire,is named as double-wire method,is proposed,solving the problem that the system is difficult to get the value of pendency at the position of the moving worktable.Via experimental verification,this guiding system is able to carry out the function that following the track of guiding datum in sub-millimeter precision scope.

关 键 词：导引 直线运动 竖直面 获取 大小 长度 实验验证 影响 研究 问题 

分 类 号：TH133.3[机械工程—机械制造及自动化] G633.7[文化科学—教育学]