Influence of Hobbing Tool Generating Scallops on Root Fillet Stress Concentrations

摘要

This paper discusses a specific example regarding parallel-sided splines manufactured with a finish hobbing process and their effects on generating root fillet stress concentrations. To estimate the value of the stress concentrations, finite element analysis (FEA) was conducted on the components for two unique hobbing tool designs. The FE results are compared to actual component field service histories.