Shielded gate guide shoe three-dimensional sliding friction characteristic simulation analysis method based on finite element

Abstract

The invention discloses a shielded gate guide shoe three-dimensional sliding friction characteristic simulation analysis method based on a finite element. The guide shoe mechanism comprises a guide slot and a guide shoe slider, wherein the guide shoe slider slides on the guide slot. The analysis method comprises the following steps: a, establishing a finite element model of the guide shoe mechanism; b, dividing the grids of the finite element model of the guide shoe mechanism; c, carrying out contact setting; d, solving process control; e, setting a load step and a boundary condition; and f, extracting the analysis result subjected to simulation calculating analysis. According to the method, a parameterization finite element analysis model of the guide shoe sliding friction pair in a shielded gate system can be established by using an ANSYS software, the structural characteristics, mechanical characteristics and thermal characteristics of the guide shoe mechanism friction pair in the three-dimensional sliding process can be analyzed in a coupling manner by setting the contact parameter of the model, algorithm setting, and applying load and boundary condition, the defect of single characteristic analysis is overcome, and the calculating convergence and accuracy can be effectively controlled and analyzed.

Description

technical field [0001] The invention relates to a simulation analysis method of a screen door guide shoe mechanism, in particular to a three-dimensional dynamic simulation analysis method of a screen door guide shoe mechanism. Background technique [0002] Three-dimensional sliding friction finite element analysis is a highly nonlinear dynamic contact problem. The key technology and difficulty of this analysis are mainly the convergence and accuracy control of the analysis. At present, the finite element analysis of frictional contact mainly includes two-dimensional static and dynamic contact analysis, and three-dimensional static contact analysis. Local contact analysis of surface contact state, such as material surface crack analysis, contact analysis with roughness and microscopic surface contact failure analysis, etc., but two-dimensional analysis is only a simplified analysis method, which cannot fully simulate the actual contact characteristics of friction pairs, while...

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Problems solved by technology

At present, the finite element analysis of frictional contact mainly includes two-dimensional static and dynamic contact analysis, and three-dimensional static contact analysis. Local contact analysis of surface contact state, such as material surface crack analysis, contact analysis with roughness and microscopic surface contact failure analysis, etc., but two-dimensional analysis is only a simplified analysis method, which cannot fully simulate the actual contact characteristics of friction pairs, while three-dimensional Static analysis results cannot describe more complex dynamic contact problems

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