Comparison of the stiffness of 3D-printed wire raceway slewing bearing based on simplified FEA model and experiment

• Autorzy: Gunia Dominik , Smolnicki Tadeusz , Stańco Mariusz
• Języki publikacji: EN

Abstrakty

EN

The wire-raceway bearings are a subcategory of slewing bearings. Their popularity has recently increased due to their advantages, including weight that is lower than that of other similar slewing bearings, and the ability of transferring various loads, such as axial load, radial load and tilting moment. Currently, metal rings (steel or aluminum) are the most popular choice for all kinds of slewing bearings; however, with advent of additive manufacturing a new ‘chapter’ opens for the development of wire raceway slewing bearings, where the interface between the rolling elements and the raceway is the same as in other bearings (i.e., contact between steel-steel). At the same time, rings can be made from other lightweight materials, such as composites or plastics, with high-level shape customization due to 3D printing. Stress between wire raceways and rings is much lower. Hence, rings’ lower material properties do not significantly affect bearing capacity. Proper calculation methodology should be created to analyze lightweight wire raceway bearings, as materials can differ significantly from typical materials covered by current theories. The paper presents a prototyped 3D-printed bearing with rings made from polylactic acid (PLA). The bearing stiffness is measured and compared with the simplified finite element analysis (FEA) model using the equivalent bearing model with nonlinear springs and beam elements.

Słowa kluczowe

EN

wire raceway bearings; slewing bearings; bearing stiffness; 3D printing

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 2023
• Tom: Vol. 71, iss. 3
• Strony: 383--397
• Opis fizyczny: Bibliogr. 17 poz., rys., tab., wykr.

Twórcy

autor

Gunia Dominik

• Wroclaw University of Science and Technology Wroclaw, Poland

autor

Smolnicki Tadeusz

• Wroclaw University of Science and Technology Wroclaw, Poland

autor

Stańco Mariusz

• Wroclaw University of Science and Technology Wroclaw, Poland

Bibliografia

• 1. Franke GmbH, Technical information on wire race bearings, 2020.
• 2. Smolnicki T., Large-diameter rolling bearings. Global and local problems [in Polish: Wielkogabarytowe toczne węzły obrotowe. Zagadnienia globalne i lokalne], Oficyna Wydawnicza Politechniki Wrocławskiej, Wrocław 2013.
• 3. Smolnicki T., Physical aspects of coherence of large-diameter rolling bearings and deformable support structures [in Polish: Fizykalne aspekty koherencji wielkogabarytowych łożysk tocznych i odkształcalnych konstrukcji wsporczych], Oficyna Wydawnicza Politechniki Wrocławskiej, Wrocław 2002.
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• 13. Mart´ın I., Heras I., Coria I., Abasolo M., Aguirrebeitia J., Structural modeling of crossed roller wire race bearings: Analytical submodel for the roller-wire-ring set, Tribology International, 151: 106420, 2020, doi: 10.1016/j.triboint.2020.106420.
• 14. Mart´ın I., Heras I., Aguirrebeitia J., Macareno L.M., Influence of the geometrical design on ball and crossed roller wire race bearing behaviour under axial load, Tribology International, 156: 106817, 2021, doi: 10.1016/j.triboint.2020.106817.
• 15. Mart´ın I., Heras I., Aguirrebeitia J., Abasolo M., Coria I., Static structural behaviour of wire bearings under axial load: Comparison with conventional bearings and study of design and operational parameters, Mechanism and Machine Theory, 132: 98– 107, 2019, doi: 10.1016/j.mechmachtheory.2018.10.016.
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).