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Technical gazette, Vol. 33 No. 5, 2026.

Preliminary communication

https://doi.org/10.17559/TV-20241018103823

Optimization of the Waterjet Cutting Quality of AISI 316L Material Using Aluminium Oxide as Abrasive

Miroslav Duspara orcid id orcid.org/0000-0003-4249-9279 ; Mechanical Engineering Faculty in Slavonski Brod, University of Slavonski Brod, Trg Ivane Brlic Mazuranic 2, 35000 Slavonski Brod, Croatia *
Josip Cumin ; Mechanical Engineering Faculty in Slavonski Brod, University of Slavonski Brod, Trg Ivane Brlic Mazuranic 2, 35000 Slavonski Brod, Croatia
Leon Maglić ; Mechanical Engineering Faculty in Slavonski Brod, University of Slavonski Brod, Trg Ivane Brlic Mazuranic 2, 35000 Slavonski Brod, Croatia
Antun Stoić ; Mechanical Engineering Faculty in Slavonski Brod, University of Slavonski Brod, Trg Ivane Brlic Mazuranic 2, 35000 Slavonski Brod, Croatia

* Corresponding author.

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Abstract

This paper presents waterjet cutting as an unconventional method for cutting material. The theoretical section elaborates on the technological characteristics of the cutting process, the machine used in the experiment, and the machine components that enable proper execution of the procedure. The experimental section examines the research into cutting parameters (traverse speed, cutting pressure, and abrasive mass flow) and their impact on surface cutting quality. The experiment is designed as a central composite design that involves varying the cutting parameters. The tested material is 30 mm thick stainless steel AISI 316L. This corrosion-resistant material is frequently used in various branches of production, and the challenge of machining it requires the application of new techniques and non-standard cutting materials. The AISI 316L material has not been sufficiently tested for cut surface quality after waterjet cutting, especially when using aluminium oxide as the abrasive. Surface roughness is measured after cutting, and mathematical and statistical analyses of the results are performed to obtain a mathematical model of surface roughness.

Keywords

abrasive; abrasive water jet machining; aluminium oxide; cutting, surface roughness

Hrčak ID:

350449

URI

https://hrcak.srce.hr/350449

Publication date:

31.8.2026.

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