PD ISO/TR 10686:2013
Current
The latest, up-to-date edition.
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
Hardcopy , PDF
English
31-07-2013
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Basic considerations
6 Prediction from component cleanliness to system
cleanliness (the bottom-up approach)
7 Specifying the cleanliness requirements from system
cleanliness level to component cleanliness level
(the top-down approach)
8 Relationship between cleanliness levels per unit volume
and cleanliness levels per unit surface area
Annex A (informative) Determination of geometrical
characteristics of components
Annex B (informative) Example of calculation of the
cleanliness of an assembled system from the
cleanliness of individual components
Annex C (informative) Impact of surface cleanliness
level on fluid cleanliness level
Annex D (informative) Relating volume to surface area
Annex E (informative) Relating the cleanliness of parts to
the cleanliness of components
Bibliography
Provides 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; and - 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.
| Committee |
MCE/18/-/6
|
| DocumentType |
Standard
|
| Pages |
36
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This Technical Report 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.
| Standards | Relationship |
| ISO/TR 10686:2013 | Identical |
| ISO 18413:2015 | Hydraulic fluid power Cleanliness of components Inspection document and principles related to contaminant extraction and analysis, and data reporting |
| ISO 5558:1982 | Animal and vegetable fats and oils — Detection and identification of antioxidants — Thin-layer chromatographic method |
| ISO 4407:2002 | Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope |
| ISO 16431:2012 | Hydraulic fluid power — System clean-up procedures and verification of cleanliness of assembled systems |
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