The use of FEM to evaluate the influence of logarithmic correction parameters of roller generators on the axle box bearing life

• Autorzy: Chudzik Agnieszka , Warda Bogdan

Identyfikatory

DOI

10.2478/mme-2021-0008

• Języki publikacji: EN

Abstrakty

EN

In the roller-raceway contacts of the radial cylindrical roller bearing used in the axle boxes of a railway bogie, pressure accumulation may occur, reducing the fatigue life. This accumulation can be eliminated by applying logarithmic correction of generators and in particular varieties of the modified logarithmic correction. The correction parameters should be adapted to the operating conditions of the bearing. This article presents a comparison of the predicted fatigue life of an axle box bearing on correctly selected correction parameters with bearing life, in which correction of roller generators was used, typical for cylindrical roller bearings of general application. The finite element method was used to determine the subsurface stress distributions necessary to calculate the fatigue life.

Słowa kluczowe

EN

rolling bearing; correction of rolling elements generators; fatigue life; finite element method

PL

łożysko toczne; generator łożysk tocznych; trwałość zmęczeniowa; metoda elementów skończonych

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Mechanics and Mechanical Engineering
• Rocznik: 2021
• Tom: Vol. 25, nr 1
• Strony: 53--61
• Opis fizyczny: Bibliogr. 31 poz., il. kolor., 1 rys., wykr.

Twórcy

autor

Chudzik Agnieszka

• Department of Dynamics, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland

autor

Warda Bogdan

• Department of Vehicles and Fundamentals of Machine Design, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).