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ISO 15243:2017

Rolling bearings — Damage and failures — Terms, characteristics and causes

Edition date: 2017-04-10
In Force
Available languages: English, French
Summary:

ISO 15243:2017 classe les différents modes de défaillance survenant en cours de fonctionnement pour les roulements en aciers standards. Elle définit et décrit, pour chaque mode de défaillance, les caractéristiques, l'aspect et les possibles causes racines de la défaillance. Elle contribuera à l'identification des modes de défaillance en s'appuyant sur l'aspect.

Les termes suivants sont expliqués pour les besoins du présent document:

- défaillance d'un roulement: résultat d'une détérioration qui empêche le roulement de satisfaire à ses performances initialement prévues ou marque la fin de sa durée de vie;

- en service: état du roulement tel qu'il sort de l'usine du fabricant;

- caractéristiques visibles: caractéristiques qu'il est possible d'observer directement ou avec une loupe ou un microscope optique, ainsi que celles observées sur des images, mais en utilisant uniquement des méthodes non destructives.

L'analyse se limite aux formes caractéristiques du changement d'aspect et aux défaillances ayant un aspect bien défini et pouvant être imputables à des causes particulières avec un degré de certitude élevé. Les caractéristiques d'intérêt particulier relatives à l'explication des changements et des défaillances sont décrites. Les formes diverses sont illustrées par des photographies et les causes les plus fréquentes sont indiquées.

Si la cause racine ne peut pas être évaluée de manière fiable par l'examen et la description des caractéristiques visuelles confrontés aux informations fournies dans le présent document, des examens complémentaires sont à envisager. Ces méthodes sont résumées au A.3 et peuvent impliquer, par exemple, l'utilisation de méthodes invasives pouvant inclure le prélèvement de coupes transversales, des analyses métallurgiques structurelles au moyen de microscopes visuels ou électroniques et des analyses chimiques et spectrographiques. Ces méthodes spécialisées ne sont pas incluses dans le domaine d'application du présent document.

Les termes des modes de défaillance exprimés dans les titres des paragraphes sont recommandés pour un usage général. Le cas échéant, les expressions alternatives ou synonymes utilisés pour décrire les sous-modes sont indiqués et expliqués en A.4.

Des exemples de défaillances des roulements, accompagnés d'une description des causes de la défaillance et des mesures correctives proposées, sont donnés en A.2.



ISO 15243:2017 classifies different modes of failure occurring in service for rolling bearings made of standard bearing steels. For each failure mode, it defines and describes the characteristics, appearance and possible root causes of failure. It will assist in the identification of failure modes based on appearance.

For the purposes of this document, the following terms are explained:

- failure of a rolling bearing: the result of a damage that prevents the bearing meeting the intended design performance or marks the end of service life;

- in service: as soon as the bearing has left the manufacturer's factory;

- visible features: those that are possible to observe directly or with magnifiers or optical microscopes, also those from pictures, but only with the use of non-destructive methods.

Consideration is restricted to characteristic forms of change in appearance and failure that have well-defined appearance and which can be attributed to particular causes with a high degree of certainty. The features of particular interest for explaining changes and failures are described. The various forms are illustrated with photographs and the most frequent causes are indicated.

If the root cause cannot be reliably assessed by the examination and characterization of visual features against the information in this document, then additional investigations are to be considered. These methods are summarized in A.3 and may involve, for example, the use of invasive methods possibly including taking of cross sections, metallurgical structural analysis by visual and electronic microscopes, chemical and spectrographic analysis. These specialized methods are outside the scope of this document.

The failure mode terms shown in the subclause titles are recommended for general use. Where appropriate, alternative expressions or synonyms used to describe the submodes are given and explained in A.4.

Examples of rolling bearing failures are given in A.2, together with a description of the causes of failure and proposed corrective actions.
ICS: 21.100.20-Rolling bearings
CTN: ISO/TC 4/SC 4 - 45566

Standards Cancellations

Anula a ISO 15243:2004

Es anulada por

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