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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Siteplutao.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W/474P35E
Repositorysid.inpe.br/plutao/2022/06.15.12.56
Last Update2022:06.20.16.39.16 (UTC) simone
Metadata Repositorysid.inpe.br/plutao/2022/06.15.12.56.27
Metadata Last Update2023:01.03.16.52.55 (UTC) administrator
Labellattes: 2822371088161104 1 Ricci:2022:StNuRa
Citation KeyRicci:2022:StNuRa
TitleOn the Stribeck's Numbers in Radially Loaded Rolling Element Bearings
FormatDVD
Year2022
Access Date2024, May 14
Secondary TypePRE CN
Number of Files1
Size1302 KiB
2. Context
AuthorRicci, Mário Cesar
Resume Identifier8JMKD3MGP5W/3C9JHS5
GroupDIMEC-CGCE-INPE-MCTI-GOV-BR
AffiliationInstituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Addressmariocesarricci@uol.com.br
Conference NameCongresso Nacional de Estudantes de Engenharia Mecânica, 21
Conference LocationSanta Maria, RS
Date09-13 maio 2022
Book TitleAnais
Tertiary TypeArtigo
History (UTC)2022-06-20 16:39:16 :: lattes -> administrator :: 2022
2022-07-08 16:52:54 :: administrator -> simone :: 2022
2022-12-20 11:44:21 :: simone -> administrator :: 2022
2023-01-03 16:52:55 :: administrator -> simone :: 2022
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
Keywordsrolamento
número de Stribeck
carga radial
rolling element bearing
Stribeck’s number
radial load
AbstractStribeck investigou a distribuição de cargas nos elementos rolantes de um rolamento de esferas carregado radialmente e descobriu que a carga máxima da esfera poderia ser obtida multiplicando a carga média por 4,37, para folga interna zero. Esse valor passou a ser conhecido como Constante ou Número de Stribeck e é utilizado até hoje para dimensionamento de rolamentos. Mais tarde, Palmgren afirmou que, para rolamentos de rolos com folga interna zero, o Número de Stribeck é 4,08. Esse trabalho mostra como foram obtidas as Constantes de Stribeck e que são aproximações do limite da relação entre a carga no elemento mais carregado e a carga média, quando o número de elementos rolantes no mancal tende para o infinito. Também é mostrado que o erro ao adotar o valor 4,08 para a Constante de Stribeck, que representa o número que deve ser multiplicado pela carga radial externa média para obter a carga radial máxima do rolo, é 55,6 vezes maior que ao adotar o valor 4,37 para a Constante de Stribeck, que representa o número que deve ser multiplicado pela carga radial externa média para obter a carga radial máxima da esfera. ABSTRACT: Stribeck investigated the loads distribution on the rolling elements of a radially loaded ball bearing and found that the maximum ball load could be found multiplying the medium load by 4.37, for zero internal clearance. This number came to be known as Stribecks Constant or Number and its still used today for bearing sizing. Later, Palmgren stated that the theoretical value of Stribeck's Constant for roller bearings with zero internal clearance is 4.08. This work shows how the Stribecks Constants were found, which are approximations of the limits of the ratios between the load on the most heavily loaded element and the medium load, when the number of rolling elements in the bearing tends to infinity. Its also shown that the error when adopting the value 4.08 for the Stribecks Constant, which represents the number that must be multiplied by the medium external radial load to obtain the maximum radial roller load, is 55.6 times greater than when adopting the value 4.37 for the Stribecks Constant, which represents the number that must be multiplied by the medium external radial load to obtain the maximum radial ball load.
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data URLhttp://urlib.net/ibi/8JMKD3MGP3W/474P35E
zipped data URLhttp://urlib.net/zip/8JMKD3MGP3W/474P35E
Languagept
Target FileTemplate COBEM 2007.pdf
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5. Allied materials
Next Higher Units8JMKD3MGPCW/46KTFK8
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.56 1
URL (untrusted data)https://abcm.org.br/proceedings/view/CRE2022/0115
Host Collectiondpi.inpe.br/plutao@80/2008/08.19.15.01
6. Notes
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