Manufacturing Technology 2019, 19(1):3-8 | DOI: 10.21062/ujep/235.2019/a/1213-2489/MT/19/1/3

Tribological Properties of Brass Surfaces Machined by Abrasive - Free Ultrasonic Finishing Process

Zdeněk Aleš1, Jindřich Pavlů1, Monika Hromasová2, Jaroslava Svobodová3
1 Czech University of Life Sciences Prague, Faculty of Engineering, Department for Quality and Dependability of Machines, Kamycka 129, 165 21 Prague 6, Czech Republic
2 Czech University of Life Sciences Prague, Faculty of Engineering, Department of Electrical Engineering and Automation, Kamycka 129, 165 21 Prague 6, Czech Republic
3 Jan Evangelista Purkyne University in Usti nad Labem, Faculty of production technology and management, Department of Technologies and Materials Engineering, Pasteurova 3334/7, 400 96 Usti nad Labem, Czech Republic

Brass mechanical properties are not ideal, particularly when the brass is exposed to the effects of mechanical wear. Final finishing of functional surface of machine component is substantial for the particular choice of brass. The aim of the research was to approve or disapprove the hypothesis if abrasive - free ultrasonic finishing (bufo) of brass has higher wear resistance of surface compared to the classical machining. The results of the experiment showed that abrasive - free ultrasonic finishing (bufo) has a major impact on the size of the elliptical wear area. Surface finishing by classic machining formed on average a 41% larger elliptical wear area compared to surface with abrasive - free ultrasonic finishing. The hypothesis of experiment were verified and it is possible to consider that abrasive - free ultrasonic finishing (bufo) has considerable influence on wear resistance of the surface of machine parts.

Keywords: Friction Wear, Abrasive - Free Ultrasonic Finishing, Wear Particles
Grants and funding:

CZU: 31190/1484/314802; MPO: FV20286 - Maintenance management information system with benchmarking module respecting Industry 4.0.

Published: February 1, 2019  Show citation

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Aleš Z, Pavlů J, Hromasová M, Svobodová J. Tribological Properties of Brass Surfaces Machined by Abrasive - Free Ultrasonic Finishing Process. Manufacturing Technology. 2019;19(1):3-8. doi: 10.21062/ujep/235.2019/a/1213-2489/MT/19/1/3.
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