NF ISO 11795

NF ISO 11795

November 2018
Standard Current

Agricultural tractor drive wheel tyres - Explanation of rolling circumference index (RCI) and speed radius index (SRI) and method of measuring tyre rolling circumference

This document specifies the method for measuring rolling circumference for new tyres, under loaded conditions, made for use on agricultural tractors and machines, and applies to agricultural tractor drive wheel tyres in diagonal and radial construction. It also includes an explanation of the rolling circumference index (RCI) and speed radius index (SRI).

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Main informations

Collections

National standards and national normative documents

Publication date

November 2018

Number of pages

11 p.

Reference

NF ISO 11795

ICS Codes

83.160.30   Tyres for agricultural machinery

Classification index

U12-007

Print number

1

International kinship

Sumary
Agricultural tractor drive wheel tyres - Explanation of rolling circumference index (RCI) and speed radius index (SRI) and method of measuring tyre rolling circumference

This document specifies the method for measuring rolling circumference for new tyres, under loaded conditions, made for use on agricultural tractors and machines, and applies to agricultural tractor drive wheel tyres in diagonal and radial construction. It also includes an explanation of the rolling circumference index (RCI) and speed radius index (SRI).

Replaced standards (2)
NF ISO 11795
August 2010
Standard Cancelled
Agricultural tractor drive wheel tyres - Method of measuring tyre rolling circumference

Le présent document spécifie une méthode de mesure de la circonférence de roulement des pneumatiques neufs sous condition de charge destinés à être montés sur tracteurs et machines agricoles. Pour ces matériels agricoles (tracteurs agricoles à transmission intégrale à quatre roues motrices), les couplages pneumatiques avant et arrière avec des pneus de tailles différentes demandent des valeurs de circonférence de roulement exactes. Il s'applique aux pneumatiques de structure diagonale et radiale, montés sur les roues motrices de tracteurs agricoles. Les valeurs ainsi obtenues ne sont pas destinées à donner un niveau de performances ou de qualité.

NF ISO 11795/A1
August 2010
Standard Cancelled
Agricultural tractor drive wheel tyres - Method of measuring tyre rolling circumference - Amendment 1

Le présent document met à jour l'article 2 "Références normatives". Introduction d'une annexe A (informative) "Guide de conception - Circonférence de roulement de pneumatiques pour machines agricoles pour les pneumatiques à code de classification R-1 uniquement". Introduction d'une annexe B (informative) "Circonférence de roulement de pneumatiques pour machines agricoles pour les pneumatiques de séries existantes de classification R-1 ". La Bibliographie est complètement modifiée.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Principe
  • 5 Conditions d'essai
  • 6 Méthode d'essai
  • 7 Expression des résultats
  • 8 Rapport d'essai
  • 9 Autres conditions d'essai
  • 10 Indice de circonférence de roulement (RCI "Rolling Circumference Index")
  • 11 Indice de rayon de roulement (SRI "Speed Radius Index")
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