关键词: 碟形弹簧；有限元分析；载荷-位移特性；应力-位移特性

Abstract: The load-displacement and stress-displacement characteristics of disc spring are analysed by using ANSYS Workbench and elastoplastic material models, and compared with the theoretical results of the A-L method. On this basis, the effects of different slot fillets and slot widths on load-displacement and stress-displacement characteristics are studied. The analysis results show that in the plastic deformation stage, the finite element analysis results are quite different from the theoretical values of the A-L method. Compared with the A-L method, the finite element method is more consistent with the measured values. Increasing the slot fillet increases the load, and increasing the slot width decreases the load. Different slot fillets and slot widths will have a certain influence on the principal stresses at the four corner points of the disc spring section. This provides a theoretical basis for the design of disc springs.

Key words: Disc spring; Finite element analysis; Load-displacement characteristic; Stress-displacement characteristic