A mechanical model was developed for the lifting mechanism of a prototype of the VCF -3t cantilevered vacuum arc furnace, the position and value of maximum stress of the column was obtained through force analysis of the main bearing parts ( such as column). Then the actual equipment model was simplified to establish finite element model and the stress cloud chart was compared with actual calculated value in order to test the correctness of the finite element model. On this base, combined with the relationships among actual structure sizes of the furnace, the parametric finite element model was established. If the model meet conditions of intensity and stiffness etc. , the radius and thickness of the column and furnace body was optimized with the optimizer of ANSYS to make the mass of mechanical structure to be the lightest and make full use of the material's property. At the same time, VB language was used in the call analysis interface in ANSYS to provide an intuitive man - machine system in order to decrease duplication of workload in series design of product. The parameter optimization method used in this paper is an important development of structural optimization design method and has important practical value in the structural design.
参考文献
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