NF F19-505

Railway rolling stock. Testing method of greases for axle-boxes with rolling bearings. Vibrations, shocks, rotation and pressures enduring test on "ropecacs" machine.

La présente norme décrit une méthode d'essai pour contrôler la résistance à l'écoulement de la graisse, l'aptitude à la lubrification et l'efficacité des propriétés extrême pression d'une graisse destinée à lubrifier les roulements des boites d'essieux des véhicules ferroviaires. Trois paliers de vitesse d'exploitation sont pris en considération avec des sévérités croissantes pour la qualification des graisses : V < ou = 160 km/h ; 160 km/h < V < ou = 200 km/h ; V > 200 km/h. L'annexe A, qui fait partie intégrante de la norme, donne un schéma de principe du banc d'essai et précise les points de mesures. L'annexe B, qui fait partie intégrante de la norme, donne une représentation graphique de l'essai.

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

With Requirements, quickly access the main part of the normative text!

- The UPSELL service allows you to easily update one of your standards.
- With a single click, add a new language, the Requirements or Redline+ service and add one or more additional users.
- Whether you are in the process of acquiring a standard or it is already available in your personal space, the UPSELL service is available at every stage to help you understand it and implement it within your organization.

COBAZ is the simple and effective solution to meet the normative needs related to your activity, in France and abroad.

Available by subscription, CObaz is THE modular solution to compose according to your needs today and tomorrow. Quickly discover CObaz!

Request your free, no-obligation live demo

I discover COBAZ