Design calculation and finite element simulation analysis of stranded wire helical springs
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Abstract:
The spatial structure of single wire is analyzed based on the forming process of stranded wire helical springs. Additionally，three parameters are derived from the existing foundation，including distribution circle radius of strand，spiral parameter of single wire and track scanning parameter. The aided design method of stranded wire helical springs based on feature scanning is put forward in which the centerline model of single wire can be obtained through one scanning step and the modeling method is given based on PROE code. The simulation analysis for spring in loading is performed by using ABAQUS code based on the calculation results. The finite element analysis results show the stress-strain ability of wire and the stress distribution of the section. The affects of loading rate on vibration of coils is also found.The results can make up for the deficiency of existing methods and give more beneficial assistance for production processing and performance test of the stranded wire helical springs.
