Finite Element Simulation Based On Ansys Raw Rubber Crepe

At present, whether domestic or foreign, despite the variety of models crepe machine in the manufacturing sales, but the crepe-forming mechanism and the relevant theoretical research are few, crepe machine design based on traditional experience in addition to the relevant parameters to enlarge Roll Drive The method, based on its current forming mechanism for the design of the study in search of information also not been reported. With the beginning of the modern natural rubber processing industries to the large-scale development, analysis crepe-forming mechanism of the process, and strive to fundamentally solve the crepe-mechanical design of the lack of issues, and put forward reasonable crepe machine design parameters, shorten design cycles, reduce production costs and improve the competitiveness of the market will undoubtedly have important practical significance.Through access to the relevant literature, this paper uses elastic-plastic finite element theory and Galerkin element-free theory as a theoretical basis, and uses ANSYS / LS-DYNA as a simulation analysis tool.Do Simulation of the typical crepe process through understanding the natural rubber production and processing of Health realities. Established simulation model, boundary conditions, contact and friction type for crepe-forming process which are closed to the actual, and the use of non-linear explicit dynamic as theoretical basis. A crepe-simulation process by the Finite Element Method (FEM), and analysis of the feasibility of using simulation of the crepe-element-free Galerkin method for the simulation analysis for Pattern roll crepe-through element-free Galerkin method (EFGM) after verification.In the paper, the first simulation Roll crepe films, films from crepe crepe-simulation results are basically consistent with the facts, which prove that the simulation results have certain credibility. Complex simulation of large deformation, often interrupted because of element distortion by the finite element method, and then study element-free Galerkin method in the application of elastic-plastic problem. Analysis of the roller force and deformation, simplified finite element model appropriate, and compares the two methods are simple model in the simulation results, have the results of the two methods exist certain differences, the materials forming simulation using element-free Galerkin method is better.In this paper, did Pattern roll crepe-process simulation by element-free Galerkin method, analyze film's stress and strain in the more complex forming state, and provide a viable research method for a more accurate simulation model for the next step.In this Paper, Applied research methods and the conclusions reached will play a positive role in guiding and promoting the role of the crepe-theoretical research and new crepe-equipment design, and have greater practical significance.