1、BSI Standards PublicationBS ISO 18413:2015Hydraulic fluid power Cleanliness of components Inspection documentand principles related tocontaminant extraction andanalysis, and data reportingBS ISO 18413:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 18413:2
2、015. It supersedes BS ISO 18413:2002 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MCE/18/-/6, Contamination control.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport t
3、o include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 78315 9 ICS 23.100.60 Compliance with a British Standard cannot confer immunity from legal obligations
4、.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e d ISO 2015Hydraulic fluid power Cleanliness of components Inspection document and principles related to co
5、ntaminant extraction and analysis, and data reportingTransmissions hydrauliques Propret des composants Documents dinspection et principes dextraction et danalyse des contaminants et dexpression des rsultatsINTERNATIONAL STANDARDISO 18413Second edition 2015-03-15Reference number ISO 18413:2015(E)BS I
6、SO 18413:2015ISO 18413:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or pos
7、ting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyright
8、iso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 18413:2015ISO 18413:2015(E)Foreword vIntroduction vi1 Scope . 12 Normative references 13 Terms and definitions .24 Inspection document principles 44.1 Content . 44.2 Component cleanliness requirement. 44.3 Inspection method . 44.4 Effectivity . 54
9、.5 Conformance . 54.6 Verification of conformance to specified component cleanliness requirements . 54.7 Additional information 55 Guidelines for selecting contamination extraction and analysis procedures 65.1 Overview 65.2 Contaminant extraction . 65.3 Contaminant analysis 66 Contaminant extraction
10、 principles . 76.1 General . 76.2 Overview 76.3 Extraction procedure setup and validation 76.3.1 Setup environment. 76.3.2 Validation . 86.4 Agitation 116.5 Pressure rinse . 116.6 Ultrasonic vibration . 126.7 Functional test method . 127 Contaminant analysis principles 137.1 General 137.2 Overview .
11、 137.3 Gravimetric analysis 137.4 Determination of the largest particle size 137.5 Chemical composition . 137.6 Particle size distribution . 148 Data reporting principles .148.1 General 148.2 Overview . 148.3 Contaminant mass 158.4 Particle size . 158.5 Particle size distribution . 158.6 Chemical co
12、mposition . 159 Criterion for acceptance 1510 Identification statement (reference of this International Standard) .15Annex A (normative) Contaminant extraction principles Agitation method .16Annex B (normative) Contaminant extraction principles Pressure rinse method 21Annex C (normative) Contaminant
13、 extraction principles Ultrasonic vibration method .26Annex D (normative) Contaminant extraction principles Functional test method .32Annex E (normative) Contaminant analysis principles and data reporting principles 38 ISO 2015 All rights reserved iiiContents PageBS ISO 18413:2015ISO 18413:2015(E)An
14、nex F (informative) Guidelines for the design of a functional test method test stand .40Annex G (informative) Determination of geometric characteristics of components 43Bibliography .46iv ISO 2015 All rights reservedBS ISO 18413:2015ISO 18413:2015(E)ForewordISO (the International Organization for St
15、andardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the rig
16、ht to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures
17、 used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rul
18、es of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identi
19、fied during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on
20、 the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword Supplementary information .The committee responsible for this document is I
21、SO/TC 131, Fluid power systems, Subcommittee SC 6, Contamination control.This second edition cancels and replaces the first edition (ISO 18413:2002), of which it constitutes a minor revision. ISO 2015 All rights reserved vBS ISO 18413:2015ISO 18413:2015(E)IntroductionIn hydraulic fluid power systems
22、, power is transmitted and controlled through a pressurized liquid within an enclosed circuit. Contaminants present in the circulating working liquid can degrade system performance. The presence of particles residual from the manufacturing and assembly processes can cause a substantial increase in t
23、he wear rates to the system during the initial run-up and early life and can even cause catastrophic failures. In order to achieve reliable performance of components and the system, control over the amount of particles introduced during the build phase is necessary. Accurate assessment of the effect
24、iveness of part and component cleaning requires documentation of both the cleanliness requirement and the methods used for contaminant extraction and analysis and data reporting.vi ISO 2015 All rights reservedBS ISO 18413:2015Hydraulic fluid power Cleanliness of components Inspection document and pr
25、inciples related to contaminant extraction and analysis, and data reporting1 ScopeThis International Standard specifies the content of an inspection document that specifies both the cleanliness requirement for the specified hydraulic fluid power component and the inspection method to be used for eva
26、luating its cleanliness level. In addition, guidelines for relevant extraction methods and analysis methods are given.Determination of what constitutes as an appropriate cleanliness level requirement for any particular component is beyond the scope of this International Standard. ISO 12669 provides
27、a method of determining the required cleanliness of a hydraulic system. ISO TR 10686 provides a method of relating the required cleanliness of components to the required cleanliness of the hydraulic system.For the purposes of this International Standard, approved functional liquids are considered to
28、 be components.This International Standard is applicable to the particulate contamination on the wetted surfaces and volumes of any hydraulic fluid power system component. Appearance defects and liquid or gaseous contamination are not covered by this International Standard.This International Standar
29、d does not address safety problems that might arise from hazardous materials, operations, and equipment associated with its use. The user of this International Standard is responsible for establishing appropriate safety and health practices and determining the applicability of regulatory limitations
30、 prior to use.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includ
31、ing any amendments) applies.ISO 3722, Hydraulic fluid power Fluid sample containers Qualifying and controlling cleaning methodsISO 4021, Hydraulic fluid power Particulate contamination analysis Extraction of fluid samples from lines of an operating systemISO 4405, Hydraulic fluid power Fluid contami
32、nation Determination of particulate contamination by the gravimetric methodISO 4407, Hydraulic fluid power Fluid contamination Determination of particulate contamination by the counting method using an optical microscopeISO 5598, Fluid power systems and components VocabularyISO 11500, Hydraulic flui
33、d power Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principleISO 11171, Hydraulic fluid power Calibration of automatic particle counters for liquidsISO 11943, Hydraulic fluid power On-line automatic particle-counti
34、ng systems for liquids Methods of calibration and validationISO 12103-1, Road vehicles Test dust for filter evaluation Part 1: Arizona test dustINTERNATIONAL STANDARD ISO 18413:2015(E) ISO 2015 All rights reserved 1BS ISO 18413:2015ISO 18413:2015(E)ISO 14644-1, Cleanrooms and associated controlled e
35、nvironments Part 1: Classification of air cleanlinessISO 21018 (all parts), Hydraulic fluid power Monitoring the level of particulate contamination in the fluid3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 5598 and the following apply.3.1blank level
36、amount of contaminant introduced from sources other than the test component, such as reagents, glassware, preparation of test units, and the environment3.2blank testanalysis carried out in the same operating conditions as on the test component but without the test componentNote 1 to entry: The blank
37、 test enables quantification of the contamination introduced from sources other than the test component, such as reagents, glassware, preparation of test units, and the environment.3.3cleanstate of cleanliness of a component or fluid that meets the specified cleanliness level3.4cleanlinesscondition
38、of a product, surface, device, liquid, etc., characterized by the absence of particulate contamination3.5componentgeneral term to cover a part, a component, a sub-assembly, or a part assembly used in a hydraulic systemNote 1 to entry: This definition differs from that given for the same term in ISO
39、5598.3.6component contaminationamount or nature of contaminants extracted from the wetted or controlled surfaces of a component, as measured by an applicable analysis method3.7contaminantundesirable solid substance that is in suspension in a fluid or in a component or on a controlled surface of a co
40、mponentNote 1 to entry: For the purposes of this International Standard, contaminants include solid material suspended in liquids, but exclude liquids and gases. This definition differs from ISO 5598 in its exclusion of liquids and gases.3.8controlled surfacewetted surface of a component that is sub
41、ject to a cleanliness requirement3.9controlled volumewetted volume of a component that is subject to a cleanliness requirement3.10end-point samplelast in a series of repetitive samples, which produces a result that is 10 % of all the samples2 ISO 2015 All rights reservedBS ISO 18413:2015ISO 18413:20
42、15(E)3.11external surfacesurface of the component which is not wetted by the system fluid in normal operation3.12extractionoperation required to transfer as much contaminant as possible that is present within a controlled volume or on a controlled surface into a test liquid and its collection for su
43、bsequent analysis3.13extraction curveprogress curve of the cleanliness level of an extraction liquid applied to the test component as a function of the number of extractionsNote 1 to entry: This is related to the extraction time or to the volume of test liquid passed through or over the test compone
44、nt.3.14extraction liquidtest liquid loaded with contaminants extracted from the test component3.15fluid contamination monitorFCMinstrument that quantitatively evaluates the particulate contamination level of a liquid in an on-line mode3.16inspection documentwritten description of the component clean
45、liness requirement and the agreed inspection method3.17inspection methodprocedure for contaminant extraction, contaminant analysis, and data reporting which is used to evaluate component cleanliness as specified by the inspection document3.18representative samplematerial extracted such that it is ty
46、pical of the amount and nature of the contaminant contained in or on a component3.19test liquidsuitable liquid of known initial cleanliness used to remove, suspend, and extract contaminant from a component and which is compatible with the component being tested and the apparatus used3.20validationpr
47、ocess by which a test method evaluates the capability of the contaminant removal process3.21wetted surface areaAcsurface area of the component that is exposed to system liquid ISO 2015 All rights reserved 3BS ISO 18413:2015ISO 18413:2015(E)Figure 1 Wetted surface area ( Ac)3.22wetted volumeVcvolume
48、of the component that is exposed to system liquidFigure 2 Wetted volume ( Vc)4 Inspection document principles4.1 ContentThis International Standard specifies the content of the inspection document, not its format. The inspection document may exist as a single document or as a series of related docum
49、ents. Regardless of format, the inspection document shall clearly identify the component cleanliness requirement and the agreed inspection method.4.2 Component cleanliness requirementThe inspection document shall define the component cleanliness requirement when this is known. The cleanliness requirement shall be consistent with the known or anticipated function or application of the component. ISO TR 10686 and ISO 12669 give guidance and tools to establish such requirements. The component
