Error Analysis of Assembly Linkage of Transport Jig for Large Aircraft Parts  

作　　者：倪雁冰 潘琪 郭雯侠 白永超 

机构地区：[1]Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education,Tianjin University [2]School of Mechanical Engineering, Tianjin University

出　　处：《Transactions of Tianjin University》2013年第6期440-447,共8页天津大学学报（英文版）

基　　金：Supported by National Key Technology Research and Development Program of China(No.2012BAF01B07)

摘　　要：Aiming at the assembly accuracy of a large aircraft transport jig, the effect of component error and the error of work-piece surface on the work-piece position and orientation in the 3-2-1 fixturing scheme is studied with the object pose space description method. The error mapping model between the connecting part of the front frame rack and its support base is modeled using the homogeneous transformation matrix(HTM) method. The probabilistic error is simulated using the Monte Carlo method. The measurement experiment was conducted by the laser tracker to verify the effectiveness of the approach, and the approach has been successfully applied to the production of transport jig.Aiming at the assembly accuracy of a large aircraft transport jig, the effect of component error and the error of work-piece surface on the work-piece position and orientation in the 3-2-1 fixturing scheme is studied with the object pose space description method. The error mapping model between the connecting part of the front frame rack and its support base is modeled using the homogeneous transformation matrix（HTM） method. The probabilistic error is simulated using the Monte Carlo method. The measurement experiment was conducted by the laser tracker to verify the effectiveness of the approach, and the approach has been successfully applied to the production of transport jig.

关 键 词：assembly linkage error modeling homogeneous transformation matrix Monte Carlo method 

分 类 号：V262.42[航空宇航科学与技术—航空宇航制造工程]