Measures to prevent damage and to extent the service life of a rotary excavator

• Autorzy: Arsić Dušan , Nikolić Ružica R. , Arsić Aleksandra , Cvetković Dragan , Pastorková Jana , Bokuvka Otakar

Identyfikatory

DOI

10.30657/pea.2025.31.7

• Języki publikacji: EN

Abstrakty

EN

The rotary excavator is a complex machine system, the main part of the ECS (excavator-conveyer-spreader) system, used in open-pit mining. Such a machine’s service life can last for decades, it gen-erally operates in the harsh exploitation conditions, which requires that its vital structures must be continuously controlled and well maintained. Damage or fracture of parts or assemblies of a rotary excavator can be caused by influence of various manufacturing, construction, exploitation conditions or environmental factors. Analysis of those eventual failures can be performed by various methods, out of which the most suitable are the failure analysis methods, for example the fault-tree analysis (FTA), the Ishikawa fishbone (cause-and-effect) diagrams or the failure modes and effects analysis (FMEA). In this article are presented results of the fault tree analysis of possible causes of rotary excavator’s parts, as well as measures to prevent their damages and/or fractures and to extend the service life of an excavator as a whole. The model of the organizational system for the rotary excava-tor’s maintenance is given, as well.

Słowa kluczowe

EN

bucket-wheel excavator relia-bility; failure analysis; fault tree analysis (FTA); structural integrity of heavy-duty machinery; predictive maintenance

PL

niezawodność koparki kołowej; analiza awarii; analiza drzewa błędów (FTA); integralność strukturalna ciężkiego sprzętu; konserwacja predykcyjna

• Wydawca: Oficyna Wydawnicza Stowarzyszenia Menedżerów Jakości i Produkcji
• Czasopismo: Production Engineering Archives
• Rocznik: 2025
• Tom: Vol. 31, Iss. 1
• Strony: 73--80
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Arsić Dušan

• Faculty of Engineering, University of Kragujevac, Kragujevac, Serbia

• https://orcid.org/0000-0003-0326-0898

autor

Nikolić Ružica R.

• Research Centre, University of Žilina, Univerzitna 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0003-3042-8916

autor

Arsić Aleksandra

• Faculty of Mechanical Engineering, Kraljice Marije 16, Belgrade, Serbia

• https://orcid.org/0000-0003-2211-8168

autor

Cvetković Dragan

• Institute for Information Technologies Kragujevac, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia

• https://orcid.org/0000-0002-9476-2254

autor

Pastorková Jana

• Research Centre, University of Žilina, Univerzitna 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0001-9159-4200

autor

Bokuvka Otakar

• Research Centre, University of Žilina, Univerzitna 8215/1, 010 26 Žilina, Slovakia

• https://orcid.org/0000-0001-9928-2332

Bibliografia

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• 3. Arsić, D., Lazić, V., Aleksandrović, S., Nikolić, R., Marinković, P., Đorđević, M., Ratković, N., 2014. Theoretical-Experimental Fracture Analysis of a Responsible Machine Part. Structural Integrity and Life, 14(2) 141-146.
• 4. Arsić, M., Flajs, Ž., Sedmak, A., Veg, E., Sedmak, S., 2021a. Structural In-tegrity Assessment of Welded Bucket-Wheel Boom. Structural Integrity and Life, 21(2), 201-206, http://divk.inovacionicentar.rs/ivk/ivk21/201- IVK2-2021-MA-%C5%BDF-AS-EV-SS.pdf
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).