Cutting Environment Impact on the Aluminium Alloy Machining

Buranská Eva (), Buranský Ivan (), Kritikos Michaela (), Gerulová Kristína () and Líška Ján ()
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Buranská Eva: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Integrated Safety, Ulica Jána Bottu 2781/25, 917 24Trnava, Slovak Republic
Buranský Ivan: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, Ulica Jána Bottu 2781/25, 917 24Trnava, Slovak Republic
Kritikos Michaela: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, Ulica Jána Bottu 2781/25, 917 24Trnava, Slovak Republic
Gerulová Kristína: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Integrated Safety, Ulica Jána Bottu 2781/25, 917 24Trnava, Slovak Republic
Líška Ján: John Von Neumann University, GAMF Faculty of Mechanical Engineering and it Department of Vehicle Technology, 6000 Kecskemét, Izsáki Str. 10, Hungary

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2019, vol. 27, issue 44, 21-27

Abstract: The paper is focused on the experiment where the effects of the cutting environment and feed of drilling on the bores roughness and cylindricity were evaluated. Dry drilling of aluminium alloys (without using cutting fluids) is an environmentally friendly machining process but also an extremely difficult task, which is due to the tendency of aluminium to adhere to the drills made of conventional materials such as high-speed steel; and therefore three cutting environments (namely two different emulsions and compressed air) were used in the experiment. The article demonstrates multicriterial optimization of input factors (cutting environment, feed) for two defined target functions: roughness and cylindricity). The measured values were subjected to mathematico–statistical Analysis of Variance (ANOVA). ANOVA was used for examining the effects of machining parameters and their contribution to the surface roughness and bores cylindricity. The optimal cutting parameters were evaluated for “Smaller-the-Better” quality characteristics of both output responses, as can be seen in our article published previously. Based on the ANOVA, we determined that cutting environment exhibited higher percentage of contribution on bores quality than feed of machining. The results show 77.37 % impact of cutting environment and 8.13 % impact of feed on quality of machined bores.

Keywords: Cutting environment; feed; drilling; aluminium alloy (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:27:y:2019:i:44:p:21-27:n:2

DOI: 10.2478/rput-2019-0002

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