Grinding is often used as the final manufacturing method which is an important processing method. Its’ quality of parts surface will directly affect the life and strength of mechanical parts. Therefore, the quality of parts surface in grinding is particularly important to mechanical parts. In this paper, after the simplification of theoretical model of the parts, we can use software such as WORKBENCH and MATLAB to obtain the temperature field of grinding and numerical simulation in case of 45# steel. Subsequently, it also makes use of LS-DYNA to carry out micro-morphology’s simulation in the process of grinding. Then it can significantly verify the previous simulation’s results. We preliminarily obtain the mechanism of the grinding burn on parts surface. It also shows the concrete impact on temperature field with the changing of grinding parameters. Finally we can receive the method to minimize the grinding burn.
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