Abstract
To achieve the effect of anti-fatigue manufacturing for hypoid gear, the author put forward a new type cold rotary forging technology, the method simplifies the die structure and adopts the local line contact continuous plastic forming. Based on the basic theory of elastic-plastic finite element method (FEM),the author uses ABAQUS to carry out numerical simulation of cold rotary forging and discuss how to build finite element geometric model and grid it in detail, and analyse the definition of workpiece material model in ABAQUS and the merger technology of Abaqus / Explicit and Abaqus / Standard. In order to measure springback error accurately, the alveolar surface shap after springback was got through the technology of surface reconstruction, it was put into Geomagic Qualify software and compare with target CAD model,then the springback error can befully assessed through comparing results.The examles proof that ABAQUS can simulate the deformation and springback process accurately, springback error of cold rotary forging can not be ignored,so springback error must be compensated.
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