Finite element analysis of single pair gear tooth root crack

In the current research, the analysis about the stress and meshing stiffness for the single gear meshing process with two cases came out, which are case without tooth root cracking and with tooth root cracking. First, the solid assemble model for the two cases are set up with Pro/E software. With the format of parosolid, the model is imported into Ansys. In analysis, the contact, loading, and bonging condition are added. Then, computation came out. The results show that the stress in the compression position is greater than that in the tension position during gear engagement, and the stress increases when cracks occur. The research can provide theoretical basis for fault diagnosis to provide spectrum analysis and provide reference for theoretical analysis and meshing stiffness.

Abstract licence: CC BY-ND

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