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Simulation of mild wear in boundary lubricated spherical roller thrust bearings
KTH, Tidigare Institutioner                               , Maskinkonstruktion.ORCID-id: 0000-0003-2489-0688
KTH, Tidigare Institutioner                               , Maskinkonstruktion.ORCID-id: 0000-0002-2578-9453
2000 (Engelska)Ingår i: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 241, nr 2, s. 180-185Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Owing to the curved contact surfaces in a spherical roller thrust beating, the rollers will undergo sliding. For an unskewed roller there will be two points along each contact where the sliding velocity is zero. At all other points along the contact, sliding is present. Under boundary lubricated conditions the sliding can give rise to mild wear. Experimental results show that this wear can cause a significant change in the surface profile outside the zero sliding points. The mild wear in the contact was simulated using Archard's wear law. An iterative wear model is described in which the normal load distribution, the tangential tractions and the sliding distances are repeatedly calculated to simulate the changes in surface geometry due to wear. Good qualitative agreement was achieved between the simulation results and the previously presented experimental results.

Ort, förlag, år, upplaga, sidor
2000. Vol. 241, nr 2, s. 180-185
Nyckelord [en]
simulation, wear, roller bearings, fatigue life reduction, surface-analysis
Identifikatorer
URN: urn:nbn:se:kth:diva-19999ISI: 000089001300010OAI: oai:DiVA.org:kth-19999DiVA, id: diva2:338692
Anmärkning
QC 20100525Tillgänglig från: 2010-08-10 Skapad: 2010-08-10 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Olofsson, UlfBjörklund, Stefan

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