Abstract
PreviewISO 281:2007 introduced a life modification factor, aISO, based on a systems approach to life calculation, in addition to the life modification factor, a1.These factors are applied in the modified rating life equation, Lnm = a1aISOL10. The modification factor for reliability, a1, for a range of reliability values, is given in ISO 281:2007 as well as the method for evaluating the modification factor for systems approach, aISO. L10 is the basic rating life.
ISO/TR 1281-2:2008 gives supplementary background information regarding the derivation of a1 and aISO.
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Status: PublishedPublication date: 2008-12
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Edition: 1Number of pages: 47
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- ICS :
- 21.100.20 Rolling bearings
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en
Format | Language | |
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std 1 166 | ||
std 2 166 | Paper |
- CHF166
Life cycle
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Previously
WithdrawnISO/TR 8646:1985
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Now
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00
Preliminary
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10
Proposal
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20
Preparatory
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30
Committee
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40
Enquiry
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50
Approval
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60
Publication
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90
Review
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95
Withdrawal
Corrigenda / Amendments
PublishedISO/TR 1281-2:2008/Cor 1:2009
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00
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