ISO-6194-4-1999.pdf
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1、A Reference number ISO 6194-4:1999(E) INTERNATIONAL STANDARD ISO 6194-4 Second edition 1999-05-01 Rotary shaft lip type seals Part 4: Performance test procedures Bagues dtanchit lvre pour arbres tournants Partie 4: Mthodes dessai de performance Copyright International Organization for Standardizatio
2、n Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:25:57 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6194-4:1999(E) ISO 1999 All rights reserved. Unless otherwise specified, no part of this publicati
3、on may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 CH-1211 Genve 20 Switzerland Internetisoiso.ch Printed in Swi
4、tzerland ii Contents 1 Scope1 2 Normative references1 3 Terms and definitions .2 4 Pre-test procedure.2 5 Dynamic test.2 6 Dynamic low temperature test5 7 Material testing of elastomeric components.7 Annex A (informative) Example of a seal test report for the dynamic test9 Annex B (informative) Exam
5、ple of a seal test report for the dynamic low temperature test.11 Annex C (informative) Example of a material test report 13 Bibliography15 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 0
6、4/19/2007 22:25:57 MDTNo reproduction or networking permitted without license from IHS -,-,- ISOISO 6194-4:1999(E) iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Sta
7、ndards 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 right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also
8、take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted
9、 by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 6194-4 was prepared by Technical Committee ISO/TC 131, Fluid power systems, Subcomm
10、ittee SC 7, Sealing devices. This second edition cancels and replaces the first edition (ISO 6194-4:1988), which has been technically revised. ISO 6194 consists of the following parts, under the general title Rotary shaft lip type seals: Part 1: Nominal dimensions and tolerances Part 2: Vocabulary P
11、art 3: Storage, handling and installation Part 4: Performance test procedures Part 5: Identification of visual imperfections Annexes A, B and C of this part of ISO 6194 are for information only. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=
12、NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:25:57 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6194-4:1999(E) ISO iv Introduction Lip type seals are used for retaining fluid or grease in equipment employing rotating shafts. In some instances,
13、the shaft is stationary and the housing rotates. Sealing of a lip type seal with a low differential pressure is normally a result of a designed interference fit between the shaft and the flexible sealing element, which is usually fitted with a garter spring. An interference fit between the outside s
14、urface of the seal and the housing bore surface retains the seal in the housing and prevents leakage at the outer diameter. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/19/2007 22:25:
15、57 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISOISO 6194-4:1999(E) 1 Rotary shaft lip type seals Part 4: Performance test procedures 1 Scope This part of ISO 6194 specifies test requirements for rotary shaft lip type seals. The tests may be used
16、 for qualification purposes. Materials quality control, dynamic testing and supplementary low temperature testing requirements are also covered. 2 Normative references The following normative documents contains provisions which, through reference in this text, constitute provisions of this part of I
17、SO 6194. For dated references, subsequent amendments to, or revisions of, these publication do not apply. However, parties to agreements based on this part of ISO 6194 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For u
18、ndated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 48:1994, Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD). ISO 188:1998,
19、 Rubber, vulcanized Accelerated ageing and heat resistance tests. ISO 815:1991, Rubber, vulcanized or thermoplastic Determination of compression set at ambient, elevated or low temperatures. ISO 1432:1988, Rubber, vulcanized or thermoplastic Determination of low temperature stiffening (Gehman test).
20、 ISO 1817:1998, Rubber, vulcanized Determination of the effect of liquids. ISO 2781:1988, Rubber, vulcanized Determination of density. ISO 2921:1997, Rubber, vulcanized Determination of low-temperature characteristics Temperature-retraction procedure (TR test). ISO 5598:1985, Fluid power systems and
21、 components Vocabulary. ISO 6194-1:1982, Rotary shaft lip type seals Part 1: Nominal dimensions and tolerances. ISO 6194-2:1991, Rotary shaft lip type seals Part 2: Vocabulary. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Sta
22、ndards 1/9972545001 Not for Resale, 04/19/2007 22:25:57 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6194-4:1999(E) ISO 2 3 Terms and definitions For the purposes of this part of ISO 6194, the terms and definitions given in ISO 6194-2 and ISO 5598 and the following d
23、efinition apply. 3.1 batch identifiable and traceable consignment of rubber compound of definite composition and manufactured in a single production operation 4 Pre-test procedure 4.1 Inspect all seals submitted for testing for conformity to a relevant drawing or detailed specification declared by t
24、he seal manufacturer. 4.2 For seals with an elastomeric component, ensure that the seal manufacturer has stated the material designation batch number from which the seals have been made, together with the nominal density, nominal hardness, maximum compression set value and maximum mass change after
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