FD ISO/TR 10686

FD ISO/TR 10686

January 2014
Published document Current

Hydraulic fluid power - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system

ISO/TR 10686:2013 describes methods that can be used to: relate the cleanliness of a hydraulic system to the cleanliness of its components and the hydraulic fluid belonging to the system; estimate the final cleanliness level of an assembled hydraulic system filled with the hydraulic fluid, upon its release from the manufacturing area (the estimation of the final cleanliness level is based on the cleanliness level of each component in the system and on the cleanliness level of the filling fluid); calculate and manage cleanliness requirements of components and subassemblies that make up a system and of the fluid filling it so as to achieve a required cleanliness level (RCL) for the final system. These methods can apply whatever the particle size considered and can also be used for other types than hydraulic fluid power.

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Main informations

Collections

National standards and national normative documents

Publication date

January 2014

Number of pages

30 p.

Reference

FD ISO/TR 10686

ICS Codes

23.100.01   Fluid power systems in general

Classification index

E48-697

Print number

1

International kinship

Sumary
Hydraulic fluid power - Method to relate the cleanliness of a hydraulic system to the cleanliness of the components and hydraulic fluid that make up the system

ISO/TR 10686:2013 describes methods that can be used to: relate the cleanliness of a hydraulic system to the cleanliness of its components and the hydraulic fluid belonging to the system; estimate the final cleanliness level of an assembled hydraulic system filled with the hydraulic fluid, upon its release from the manufacturing area (the estimation of the final cleanliness level is based on the cleanliness level of each component in the system and on the cleanliness level of the filling fluid); calculate and manage cleanliness requirements of components and subassemblies that make up a system and of the fluid filling it so as to achieve a required cleanliness level (RCL) for the final system. These methods can apply whatever the particle size considered and can also be used for other types than hydraulic fluid power.

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Symboles et unités
    2
  • 5 Considérations fondamentales
    3
  • 5.1 Pollution particulaire
    3
  • 5.2 Exigences relatives à la connaissance du système
    5
  • 6 Prédiction de la propreté du système à partir de la propreté des composants (approche ascendante)
    6
  • 6.1 Principes
    6
  • 6.2 Détermination du niveau de propreté d'un composant
    7
  • 6.3 Prédiction du niveau de propreté d'un système assemblé
    7
  • 6.4 Prédiction du niveau de propreté d'un système neuf à sa sortie de la zone de fabrication
    7
  • 6.5 Prédictions pratiques
    8
  • 7 Spécification d'exigences de propreté des composants à partir du niveau de propreté du système (approche descendante)
    9
  • 7.1 Principe
    9
  • 7.2 Spécification d'exigences identiques
    9
  • 7.3 Spécification d'exigences différentes
    9
  • 8 Relation entre les niveaux de propreté par unité de volume et les niveaux de propreté par unité de surface
    10
  • 8.1 Rapport V/A
    10
  • 8.2 Impact du niveau de propreté des surfaces sur le niveau de propreté du fluide
    10
  • Annexe A (informative) Détermination des caractéristiques géométriques des composants
    11
  • Annexe B (informative) Exemple de calcul de la propreté d'un système assemblé à partir de la propreté des composants individuels
    12
  • Annexe C (informative) Impact du niveau de propreté des surfaces sur le niveau de propreté du fluide
    16
  • Annexe D (informative) Relation entre volume et surface
    19
  • Annexe E (informative) Relation entre la propreté des pièces et la propreté des composants
    20
  • Bibliographie
    23
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