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Technical gazette, Vol. 18 No. 1, 2011.

Preliminary communication

Factor analysis of the abrasive waterjet factors affecting the surface roughness of titanium

Katarína Monková ; Faculty of Manufacturing Technologies of Technical University of Kosice with seat in Prešov, Bayerova 1, 080 01 Prešov, Slovak Republic
Peter Monka ; Faculty of Manufacturing Technologies of Technical University of Kosice with seat in Prešov, Bayerova 1, 080 01 Prešov, Slovak Republic
Petra Vegnerová ; Department of Economics and Management of Chemical and Food Industry, Institute of ChemicalTechnology Prague, Czech Republic
Robert Čep orcid id orcid.org/0000-0001-9610-4215 ; Department of Working and Assembly (346), Faculty of Mechanical Engineering, VŠB-Technical University of Ostrava, 17. listopadu 15, Ostrava, Czech Republic
Jana Müllerová ; University of Žilina, Faculty of Special Engineering, Department of Technical, Sciences and Informatics, Ul. 1. mája 32, 010 26 Žilina, Slovak Republic
David Bražina ; University of Ostrava, Faculty of Science, Department of Informatics and Computers, Building A, 30. dubna 22, 701 03 Moravská Ostrava, Czech Republic
Miroslav Duspara orcid id orcid.org/0000-0003-4249-9279 ; J. J. Strossmayer University of Osijek, Mechanical Engineering Faculty in Slavonski Brod, Trg Ivane Brlić-Mažuranić 2, 35000 Slavonski Brod, Croatia

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Abstract

The paper focuses on experimental research and evaluation of the abrasive waterjet cutting technology process in order to evaluate the technology factors affecting the microgeometry (average roughness) of workpiece surface of titanium of 10 mm thickness using a full factorial design. The significance of four selected process factors – independent variables (traverse speed, abrasive mass flow rate, angle of attack, depth of cut) affecting the surface quality was evaluated by a two level full factorial design. The surface quality was evaluated by Ra, Rq and Rz surface roughness parameters. A multiple nonlinear regression equation obtained from ANOVA gives the level quality Ra as a function of the machining factors. A different significance of these factors has been found.

Keywords

abrasive waterjet; surface roughness; titanium

Hrčak ID:

65928

URI

https://hrcak.srce.hr/65928

Publication date:

31.3.2011.

Article data in other languages: croatian

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