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Analytical modeling of machining-induced residual stresses in milling of complex surface

  • Ruihu Zhou
  • Wenyu YangEmail author
ORIGINAL ARTICLE
  • 91 Downloads

Abstract

The distribution of residual stresses has a significant effect on fatigue life in milling process. In previous works, the predicted model of residual stresses was focusing on orthogonal cutting, while milling residual stresses is seldom reported. An analytical model for the generation of residual stresses induced by complex surface milling is proposed. Estimates of the mechanical stresses induced by the milling process have been determined through contact mechanics and the geometric transformations within the part. The temperature field of workpiece induced by milling is predicted by analytical model. Estimates of the residual stresses were obtained using an elastic-plastic model and a relaxation procedure. The proposed model is validated with milling experiments. This work can be further applied to improve surface integrity of workpieces by machining parameters optimization.

Keywords

Milling temperature Residual stress Analytical model Complex surface milling 

Notes

Funding information

This work is supported by the National Key Basic Research Program of China (no. 2014CB046704) and Key Projects in the National Science Technology Pillar Program of China (no. 2014BAB13B01).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and EngineeringHuazhong University of Science and TechnologyWuhanChina

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