ISO TR 1281-2 CORR 1 Rolling bearings — Explanatory notes on ISO 281 — Part 2: Modified rating life calculation, based on a systems approach to fatigue stresses TECHNICAL CORRIGENDUM 1 - First Edition
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International Organization for Standardization
Rolling bearings — Explanatory notes on 281 — Part 2: Modified rating life calculation, based on a systems approach to fatigue stresses TECHNICAL CORRIGENDUM 1 - First Edition
N TR 1281-2 CORR 1
Annotation
ISO 281:2007 introduced a life modification factor, aISO, based on a systems approach to life calculation, in addition to the life modification factor for reliability, a1.These factors are applied in the modified rating life equation
Lnm= a1aISOL10 (1)
For a range of reliability values, a1 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.
This part of ISO/TR 1281 gives supplementary background information regarding the derivation of a1 and aISO.
NOTE The derivation of aISO is primarily based on theory presented in Reference [5], which also deals with the fairly complicated theoretical background of the contamination factor, eC, and other factors considered when calculating aISO .
Автоматический перевод:
Роликовые подшипники — Примечания на ISO 281 — Часть 2: Измененное жизненное вычисление рейтинга, на основе системы приближаются к усталостному напряжению TECHNICAL CORRIGENDUM 1 - Первый Выпуск
