Fatigue Life FEA on the Diesel Engine Fuel Injection Pump Joint

Описание: The method integrating the finite element software ANSYS with FE-SAFE is used to find out the fatigue reason of a certain type diesel fuel injection pump joint. The research of the surface roughness′ influence on the parts′ fatigue life and fatigue safe factors is carried out, which is compared with the experimental results. The analysis results show that the calculation results are in accord with the test results, and the grade of surface roughness can sharply affect the fatigue life. The results can be provided as reference for the surface design and process technical improvement.