BS ISO 3548-1-2014 Plain bearings Thin-walled half bearings with or without flange Tolerances design features and methods of test《滑动轴承 带有或不带法兰的薄壁轴瓦 公差 设计特点和试验方法》.pdf
《BS ISO 3548-1-2014 Plain bearings Thin-walled half bearings with or without flange Tolerances design features and methods of test《滑动轴承 带有或不带法兰的薄壁轴瓦 公差 设计特点和试验方法》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 3548-1-2014 Plain bearings Thin-walled half bearings with or without flange Tolerances design features and methods of test《滑动轴承 带有或不带法兰的薄壁轴瓦 公差 设计特点和试验方法》.pdf(32页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS ISO 3548-1:2014Plain bearings Thin-walledhalf bearings with or withoutflangePart 1: Tolerances, design features andmethods of testBS ISO 3548-1:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 3548-1:2014. Itsupersedes BS ISO 354
2、8:1999 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/12, Plain bearings.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a
3、contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 76003 7ICS 21.100.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the a
4、uthority of theStandards Policy and Strategy Committee on 30 June 2014.Amendments issued since publicationDate Text affectedBS ISO 3548-1:2014 ISO 2014Plain bearings Thin-walled half bearings with or without flange Part 1: Tolerances, design features and methods of testPaliers lisses Demi-coussinets
5、 minces ou sans collerette Partie 1: Tolrances, caractristiques de conception et mthodes dessaiINTERNATIONAL STANDARDISO3548-1First edition2014-06-15Reference numberISO 3548-1:2014(E)BS ISO 3548-1:2014ISO 3548-1:2014(E)ii ISO 2014 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2014All rights re
6、served. 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 posting on the internet or an intranet, without prior written permission. Permission can be requested from either
7、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 copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 3548-1:2014ISO 3548-1:2014(E) ISO 2014 All rights reserved
8、 iiiContents PageForeword iv1 Scope . 12 Normative references 13 Symbols 14 Dimensions and tolerances . 34.1 Housing diameter, half bearing outside diameter and crush height. 34.2 Half bearing wall thickness and bearing bore . 44.3 Width of half bearing, distance between flanges, outside diameter of
9、 flange and flange thickness 54.4 Free spread . 65 Design features. 75.1 Locating lip and recess . 75.2 Reliefs and chamfers 95.3 Transition between radial part and flange 105.4 Assembled flange scalloped toes 125.5 Oil grooves and holes 126 Test data for determining the peripheral length .156.1 Cal
10、culation of test force F 156.2 Checking method A 166.3 Checking method B . 177 Test data for determining axial width, B2, of flange bearings 177.1 Go between two parallel plates 177.2 Axial width B2checked under force 188 Function and characteristics of assembled flange bearings 188.1 Characteristic
11、s 198.2 Classification 208.3 Checklist of items for ensuring the function of assembled flange bearings 20Annex A (normative) Example of calculation .21Bibliography .22BS ISO 3548-1:2014ISO 3548-1:2014(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of nat
12、ional 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 right to be represented on that committee. Interna
13、tional 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 used to develop this document and those intend
14、ed 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 rules of the ISO/IEC Directives, Part 2 (see www.i
15、so.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 identified during the development of the document wi
16、ll 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 the meaning of ISO specific terms and expres
17、sions 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 informationThe committee responsible for this document is ISO/TC 123, Plain Bearings, Subcommittee SC 3 D
18、imen-sions, tolerances and constructions details.,This first edition of ISO 3548-1 cancels and replaces the second edition of ISO 3548:1999, which has been technically revised.ISO 3548 consists of the following parts, under the general title Plain bearings Thin walled half bearings with or without f
19、lange: Part 1: Tolerances, design features and methods of test Part 2: Measurement of wall thickness and flange thickness Part 3: Measurement of peripheral lengthiv ISO 2014 All rights reservedBS ISO 3548-1:2014INTERNATIONAL STANDARD ISO 3548-1:2014(E)Plain bearings Thin-walled half bearings with or
20、 without flange Part 1: Tolerances, design features and methods of test1 ScopeThis part of ISO 3548 specifies tolerances, design features, and test methods for thin-walled half bearings with integral flange up to an outside diameter of Do= 250 mm and without flange up to an outside diameter of Do= 5
21、00 mm. Due to the variety of design, it is, however, not possible to standardize the dimensions of the half bearings.Half bearings according to this part of ISO 3548 are predominantly used in reciprocating machinery and consist of a steel backing and one or more bearing metal layers on the inside.In
22、 reciprocating machinery, flanged half bearings can be used in connection with half bearings without flange.Alternatively, to serve as a flanged half bearing, it is possible to use a half bearing without flange together with two separate half thrust washers according to ISO 6526; or a half bearing w
23、ith assembled flanges.NOTE All dimensions and tolerances are given in millimetres.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 undat
24、ed references, the latest edition of the referenced document (including any amendments) applies.ISO 4288, Geometrical Product Specifications (GPS) Surface texture: Profile method Rules and procedures for the assessment of surface textureISO 6524, Plain bearings Thin-walled half bearings Checking of
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