Simulation and Analysis of Spatial Weft Insertion Mechanism Considering Flexibility and Clearance  

作　　者：张雷 贺虎 雷炳杰 

机构地区：[1]College of Mechanical Engineering &Automation, Zhejiang Sci-Tech University, Hangzhou 310018, China

出　　处：《Journal of Donghua University(English Edition)》2017年第2期221-228,共8页东华大学学报（英文版）

基　　金：National Natural Science Foundation of China(No.51175475);Natural Science Foundation of Zhejiang Province,China(No.LY14E050027)

摘　　要：A 3D model of the spatial four-bar weft insertion mechanism was built with unigraphics NX(UG) according to the actual requirement,and dynamics simulation was carried out by importing the model into ADAMS.Without considering the clearance,the motion characteristic curve of the sword belt was generated through ADAMS combined with MATLAB.In this paper the hinge between the rod and the sector gear was selected as an example with different values of clearance,outputting the motion characteristic curve of the sword belt.Finite element analysis(FEA)was conducted,the flexible body was generated by importing the forked frame into ANSYS,and flexible dynamics simulation was carried out by importing the flexible body into ADAMS to replace the rigid rod.A comprehensive comparison of the output characteristics of the sword belt was conducted in the consideration of the clearance or flexible.Analysis of the force on the left hinge of the rod was carried out with the ADAMS post processing module.With the same clearance,considering the flexibility,amplitude of fluctuation of the force on the hinge increased obviously.A 3D model of the spatial four-bar weft insertion mechanism was built with unigraphics NX（UG） according to the actual requirement,and dynamics simulation was carried out by importing the model into ADAMS.Without considering the clearance,the motion characteristic curve of the sword belt was generated through ADAMS combined with MATLAB.In this paper the hinge between the rod and the sector gear was selected as an example with different values of clearance,outputting the motion characteristic curve of the sword belt.Finite element analysis（FEA）was conducted,the flexible body was generated by importing the forked frame into ANSYS,and flexible dynamics simulation was carried out by importing the flexible body into ADAMS to replace the rigid rod.A comprehensive comparison of the output characteristics of the sword belt was conducted in the consideration of the clearance or flexible.Analysis of the force on the left hinge of the rod was carried out with the ADAMS post processing module.With the same clearance,considering the flexibility,amplitude of fluctuation of the force on the hinge increased obviously.

关 键 词：spatial four-bar linkage weft insertion mechanism CLEARANCE FLEXIBILITY finite element analysis(FEA) ANSYS ADAMS 

分 类 号：TS103.33[轻工技术与工程—纺织工程]