Abstract
The unloading device medical gas cylinder often deforms and breaks in the production. For this purpose, an unloading device is designed in this paper, which describes its critical components and stress analysis in details. The finite element analysis has significant theoretical meaning and engineering application value to the structural analysis and design approach research of gas cylinders. In combination with the concept of finite element, the attentions and optimum selections are detailed in specific steps like ANSYS modeling, grids division, unit selection, loading and solving. Moreover, ANSYS software is used to simulate and calculate the stress on its link rod. Finally, the simulation result shows that, the link rod of unloading device meets the requirements in respect of stress and deformation.
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