CHANGES IN THE SURFACE LAYER OF ROLLED BEARING STEEL

Authors

  • Oskar Zemčík Brno University of Technology
  • Josef Sedlák Brno University of Technology
  • Josef Chladil Brno University of Technology

DOI:

https://doi.org/10.14311/AP.2015.55.0347

Keywords:

bearing steel, roller burnishing, finite element method, residual austenite, residual stress

Abstract

This paper describes changes observed in bearing steel due to roller burnishing. Hydrostatic roller burnishing was selected as the most suitable method for performing roller burnishing on hardened bearing steel. The hydrostatic roller burnishing operation was applied as an additional operation after standard finishing operations. All tests were performed on samples of 100Cr6 material (EN 10132-4), and changes in the surface layer of the workpiece were then evaluated. Several simulations using finite element methods were used to obtain the best possible default parameters for the tests. The residual stress and the plastic deformation during roller burnishing were major parameters that were tested.

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Author Biographies

  • Oskar Zemčík, Brno University of Technology
    Institute of Manufacturing Technology
  • Josef Sedlák, Brno University of Technology
    Institute of Manufacturing Technology
  • Josef Chladil, Brno University of Technology
    Institute of Manufacturing Technology

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Published

2015-10-31

Issue

Vol. 55 No. 5 (2015)

Section

Articles

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How to Cite

Zemčík, O., Sedlák, J., & Chladil, J. (2015). CHANGES IN THE SURFACE LAYER OF ROLLED BEARING STEEL. Acta Polytechnica, 55(5), 347-351. https://doi.org/10.14311/AP.2015.55.0347