Structure Analysis of Two-component Composite Coating Mixed Extrusion Screw Based on EDEM
In order to realize the automatic mixing and stirring of two-component composite coating and improve the mixing uniformity,the structure of composite coating mixing extru-sion screw is compared and analyzed based on discrete element method.Firstly,three kinds of two-component composite coating mixed extrusion screw structure models are estab-lished,and then the mixing degree of two-component coating particles in the three screw structures is analyzed by discrete element analysis through EDEM.The continuity,fluidity and mixing degree of the composite coating in the three screw structures are obtained through simulation analysis.The comparative analysis of the simulation results shows that under the same conditions,The continuity,fluidity and mixing degree of the composite coat-ing are the best in the pin screw structure.Finally,the pin screw structure is experimentally analyzed and compared with the manually stirred sample.Through the experimental data,it is found that the mechanical properties of the sample made of the pin screw structure are bet-ter than those of the manually stirred sample,which verifies the correctness of the simula-tion analysis.Through this analysis and research,it provides technical support for the struc-tural design and manufacturing of the subsequent mixing extrusion device.
two component composite coatingcontinuitymobilitymixing degree
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