Fatigue Analysis of a Helical Compression Spring
Enhancement of Usable Life of a Compression Spring for a Two-Wheeler Horn Using Fatigue Analysis
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The objective is to present experimentation, modeling and analysis of compression spring for static, fatigue. Experimentation is carried out using load checking machine (M006) for static analysis and for fatigue life analysis fatigue testing machine (M08) is used. Modeling is done using CATIA V5 and ANSYS. Analysis is carried out by using HYPERMESH as a pre-processor, NASTRAN as a solver And Hyper view as a post processor. ANSYS14.0software was also used for analysis for better understanding and comparison result with NASTRAN. From the study, it is seen that the fatigue life of stainless steel...
The objective is to present experimentation, modeling and analysis of compression spring for static, fatigue. Experimentation is carried out using load checking machine (M006) for static analysis and for fatigue life analysis fatigue testing machine (M08) is used. Modeling is done using CATIA V5 and ANSYS. Analysis is carried out by using HYPERMESH as a pre-processor, NASTRAN as a solver And Hyper view as a post processor. ANSYS14.0software was also used for analysis for better understanding and comparison result with NASTRAN. From the study, it is seen that the fatigue life of stainless steel compression spring is more as compared to that of hard drawn wire for same stiffness (same load carrying capacity).It is observed that the maximum stress is developed at the inner side of the spring coil. The NASTRAN and ANSYS allowable design stress is found between the corresponding loads 3 N to 6 N. Therefore it is concluded that the maximum safe pay load for the given specification of the helical compression spring is 4 N. A comparative study has been made of a redesign spring with respect to stress, fatigue life, safe pay load.
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