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EXPERIMENTAL INVESTIGATION OF INFLUENCE WEDM PARAMETERS ON SURFACE ROUGHNESS AND FLATNESS DEVIATION

1 ONISZCZUK-ŚWIERCZ Dorota
Co-authors:
1 ŚWIERCZ Rafał 1 CHMIELEWSKI Tomasz 1 SAŁACIŃSKI Tadeusz
Institution:
1 Warsaw University of Technology, Faculty of Production Engineering, EU, doo@meil.pw.edu.pl
Conference:
29th International Conference on Metallurgy and Materials, Brno, Czech Republic, EU, May 20 - 22, 2020
Proceedings:
Proceedings 29th International Conference on Metallurgy and Materials
Pages:
610-616
ISBN:
978-80-87294-97-0
ISSN:
2694-9296
DOI:
https://doi.org/10.37904/metal.2020.3567
Published:
27th July 2020
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
658 views / 435 downloads
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Abstract

Wire electrical discharge machining (EDM) is a modern technology that is widely used in the production of difficult to cut conductive materials. Stochastic nature of electrical discharges causing to difficult to identify the influence WEDM parameters on surface roughness and dimensional accuracy of machining parts. Predicting favorable machining conditions for the required surface finish and dimensional accuracy plays a key role in the process. Response surface methodology (RSM) was used to build empirical models on the influence of the discharge voltage VB, pulse interval SB, and workpiece height on the surface roughness (Ra) and the flatness deviation during the machining of tool steel X153CrMoV12. The conducted analysis of the material removal physics in relation to investigated parameters indicated potential sources of shape errors of cutting parts.

Keywords: WEDM, wire electrical discharge machining, flatness deviation, RSM, surface roughness

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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