In order to master the interference fit method and technology of the device,it uses Ansys Workbench analysis software to conduct finite element analysis on it.Firstly,create three-dimensional models with different interference fit,then set boundary conditions and mesh division,set solution parameters again,and finally perform computational processing on them.After post-processing analysis,deformation diagrams,Von Mises stress diagrams,and contact pressure diagrams of devices with different interference fit were obtained and analyzed.Based on the extracted reaction force from the contact area,approximate values of piston motion thrust with different interference fit were calculated using formulas.The data and patterns obtained through this finite element analysis can provide technical support for the design and assembly of interference fit devices,and provide a reference for the extraction method of interference fit objects.
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