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NF EN ISO 20623 : 2004

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

PETROLEUM AND RELATED PRODUCTS - DETERMINATION OF THE EXTREME PRESSURE AND ANTI-WEAR PROPERTIES OF FLUIDS - FOUR BALL METHOD (EUROPEAN CONDITIONS)

Withdrawn date

28-12-2018

Published date

12-01-2013

Avant-propos
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Principe
5 Produits et réactifs
   5.1 Solvants de nettoyage
6 Appareillage
   6.1 Machine à quatre billes pour essai de lubrifiants
        extrême pression
   6.2 Dispositif d'enregistrement de frottement (facultatif)
   6.3 Disques
   6.4 Microscope
   6.5 Chronomètre
   6.6 Billes d'essai
   6.7 Plaque de montage
7 Échantillons et échantillonnage
8 Préparation de l'appareillage
9 Mode opératoire général
10 Modes opératoires
   10.1 Charge moyenne de Hertz (CMH)
   10.2 Courbe usure-charge, charge de soudure, point critique
        et charge initiale de grippage
   10.3 Essai d'usure
11 Calculs
   11.1 Généralités
   11.2 Charge moyenne de Hertz
   11.3 Courbe d'usure, point critique et charge initiale de
        grippage
12 Expression des résultats
13 Fidélité
   13.1 Généralités
   13.2 Répétabilité
   13.3 Reproductibilité
14 Rapport d'essai
Annexe A (normative) Fiche de travail pour le calcul de la
                     charge moyenne de Hertz
Annexe B (normative) Dispositif d'enregistrement de frottement -
                     Étalonnage des ressorts
Bibliographie

Gives procedures for the measurement of the extreme-pressure (EP) and anti-wear properties of lubricating oils and fluids by means of the four ball machine.

DevelopmentNote
Indice de Classement: T60-620PR. PR NF EN ISO 20623 July 2002. (09/2002) PR NF EN ISO 20623 April 2018. (05/2018)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Withdrawn
SupersededBy

NF EN ISO 3170 : 2004 PETROLEUM LIQUIDS - MANUAL SAMPLING

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