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    BS EN 2288-1990 Specification for bushes flanged corrosion resisting steel with self-lubricating liner - Dimensions and loads《带自润滑内衬的耐蚀钢的法兰缘套管规范 尺寸和负荷》.pdf

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    BS EN 2288-1990 Specification for bushes flanged corrosion resisting steel with self-lubricating liner - Dimensions and loads《带自润滑内衬的耐蚀钢的法兰缘套管规范 尺寸和负荷》.pdf

    1、BRITISH STANDARD AEROSPACE SERIES BS EN 2288:1990 Specification for Bushes flanged, corrosion resisting steel with self-lubricating liner Dimensions and loads This European Standard EN2288 has the status of a British Standard.BSEN2288:1990 This British Standard was published under the authorityofthe

    2、 Board ofBSIandcomes intoeffecton 31December1990 BSI 04-2000 The following BSI references relate to the work on this standard: Committee referenceACE/14 Draft for comment87/77391DC ISBN 0 580 19139 7 Cooperating organizations The European Committee for Standardization, under whose supervision this E

    3、uropean Standard was prepared, comprises the national standards organizations of the following Western European countries. Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Associatio

    4、n franaise de normalisation Germany Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Min

    5、es Netherlands Nederlands Normalisatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation UnitedKingdom British S

    6、tandards Institution Amendments issued since publication Amd. No. Date of issue CommentsBSEN2288:1990 BSI 04-2000 i Contents Page Cooperating organizations Inside front cover National foreword ii Brief history 2 Text of EN2288 3 National appendix A Inside back cover National appendix B Inside back c

    7、overBSEN2288:1990 ii BSI 04-2000 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee and is the English language version of EN2288 “Aerospace series. Bushes flanged, corrosion resisting steel with self-lubricating liner. Dimension

    8、s and loads”, published by the European Committee for Standardization (CEN). EN2288 was produced as a result of international discussion in which the UK took an active part. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are resp

    9、onsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2to6, an inside back cover and a back cover. This s

    10、tandard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2288 December 1989 UDC: 629.7.02+05:621.887-408.2-72.004.1:669.14.018.89. Key words: Ae

    11、ronautical industry, bush,corrosion resisting steel, liner, self-lubricating piece, dimension. English version Aerospace series Bushes, flanged corrosion resisting steel with self-lubricating liner Dimensions and loads Srie arospatiale Bagues paulement en acier rsistant la corrosion garniture autolu

    12、brifiante Dimensions et charges Luft- und Raumfahrt Buchsen mit Flansch aus korrosionsbestndigem Stahl mit selbstschmierender Beschichtung Mae und Belastungen This European Standard was accepted by CEN on1988-11-03. CEN members are bound to comply with the requirements of CEN Internal Regulations wh

    13、ich stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Central Secretariat or to any CEN member. This Europea

    14、n Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to CEN Central Secretariat has the same status as the official versions. CEN members are the nationa

    15、l standards organizations of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr

    16、Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels CEN1989 Copyright reserved to all CEN members Ref. No. EN2288:1989EEN2288:1989 BSI 04-2000 2 Brief history This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and vot

    17、es carried out in accordance with the rules of this Association, this Standard has successively received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its presentation toCEN. According to the Common CEN/CENELEC Rules, the following cou

    18、ntries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. Contents Page Brief history 2 1 Scope 3 2 Field of application 3 3 Refer

    19、ences 3 4 Required characteristics 3 5 Designation 6 6 Marking 6 7 Technical specification 6 8 Design recommendation 6 Figure 1 4 Figure 2 6 Table 1 4 Table 2 5EN2288:1989 BSI 04-2000 3 1 Scope This standard specifies the characteristics of flanged bushes in corrosion resisting steel with self-lubri

    20、cating liner and the design recommendation of shafts and housings. 2 Field of application The bushes are intended for operation within the temperature range of55 C to+150 C and assembly with an interference fit into fixed and moving aerospace parts. 3 References EN 2136, Steel FE-PM42 900MPak R m k

    21、1100MPa BarsD e k 100mm Aerospace series 1) . EN 2311, Aerospace series Bushes with self lubricating liners Technical specification. EN 2539, Aerospace series Steel FE-PM61 Solution annealed and precipitation hardened R m U 960MPaBarsD e k 120mm 2) . 4 Required characteristics 4.1 Configuration Dime

    22、nsions Tolerances Masses Configuration: seeFigure 1. Dimensions, tolerances and masses: seeFigure 1 andTable 1. 4.2 Surface roughness SeeFigure 1. 4.3 Materials Bush: Steel EN2136 orEN2539 Liner: Self-lubricating wear resistant material consistent with the requirements ofEN2311. 1) Published as AECM

    23、A standard. 2) Published as AECMA pre-standard.EN2288:1989 4 BSI 04-2000 Table 1 Figure 1 Dimensions in millimetres d D Num Tol. 4m Num Tol. 4m A E G R 6 8 10 12 15 16 18 20 22 25 28 30 32 35 40 45 50 0 0.25 0 0.15 . Mass inkg/1000 pieces . 6 22 4 10 24 15 12 0.5 0.1 2.8* 8 27 6 12 29 18 14 to 3.5 4

    24、.4* 10 14 16 0.4 4.1 5.3 6.5* 12 33 6 16 22 6.3 7.6* 9.0 10.4* 15 19 35 22 25 9.2 10.8* 12.5 15.6* 16 20 26 1.5 9.7 11.5 13.2 15.9 16.8 18 22 28 12.7 14.7 17.6 20.8 20 40 7 25 30 1.0 16.5 19.2* 23.4 30.4* 22 26 32 17.5 21.0* 27.0 29.3* 25 30 35 0.5 23.4 28.5* 37.0 40.4 45.5* 28 34 42 26 40 to 41.4 5

    25、2.8 57.4 64.3 71.2 30 36 42 0.8 43.9 56.2* 61.1 68.4 80.7* 32 48 9 38 44 46.5 59.5 64.7 72.5 85.5 90.7 35 42 47 2.5 73.5* 80.2 90.2 106.8 123.5* 40 48 52 93.2 115.0 136.0* 158.5 180.0* 45 52 51 32 57 113.3 138.3 156.3* 176.3 197.3* 50 58 62 140.9 167.6 194.3 221.0 247.7 274.4* Only bushes whose mass

    26、es be within the bold are standard. The recommended sizes are indicated by*. L0.1 0.4 EN2288:1989 BSI 04-2000 5 Table 2 d mm L mm Permissible radial load Permissible axial static load Ca c kN d mm L mm Permissible radial load Permissible axial static load Ca c kN Static C s a kN Dynamic C 25 b kN St

    27、atic C s a kN Dynamic C 25 b kN 6 6 7,5 3,0 12,9 15 126,4 50,6 187,7 8 6 10,0 4,0 15,6 20 186,6 74,6 8 16,9 6,8 28 22 210,7 84,3 10 6 12,5 5,0 18,4 25 246,8 98,7 8 21,1 8,4 28 282,9 113,2 10 29,7 11,9 15 135,5 54,2 198,6 12 6 12,9 5,2 71,4 20 200,0 80,0 8 23,2 9,3 30 22 225,8 90,3 10 33,5 13,4 25 26

    28、4,5 105,8 12 43,9 17,6 30 329,0 131,6 15 8 29,0 11,6 83,6 15 144,5 57,8 209,4 10 41,9 16,8 20 213,3 85,3 12 54,8 21,9 22 240,8 96,3 15 74,2 29,7 32 25 282,1 112,8 16 8 31,0 12,4 87,7 30 350,9 140,4 10 44,7 17,9 32 378,4 151,4 12 58,5 23,4 20 233,3 93,3 225,8 15 79,1 31,6 22 263,4 105,4 16 86,0 34,4

    29、35 25 308,5 123,4 18 10 58,3 20,1 95,9 30 383,8 153,5 12 65,8 26,3 35 459,0 183,6 15 89,0 35,6 20 266,6 106,6 253 18 112,2 44,9 25 352,6 141,0 20 10 55,9 22,4 104 40 30 438,6 175,4 12 73,1 29,2 35 524,6 209,8 15 98,9 39,6 40 610,6 244,2 20 141,9 56,8 25 396,7 158,7 280,2 22 12 80,4 32,2 112,2 30 493

    30、,4 197,4 15 108,8 43,5 45 35 590,2 236,1 20 156,1 62,4 40 686,9 274,8 22 175,0 70,0 45 783,7 313,5 25 12 69,9 28,0 124,4 25 440,8 176,3 15 123,6 49,4 30 548,3 219,3 20 177,4 71,0 50 35 655,8 262,3 307,4 22 198,9 79,6 40 763,3 305,3 25 231,1 92,4 45 870,8 391,3 a Cs =0,43d (L 1,2 R max. E max.) kN. 5

    31、0 978,3 391,3 Values of R max. and E max. derived from the values of R and E given inTable 1. b Definitions for C 25and ultimate static loads, seeEN2311. c Ca = 0,34(A 1,5) 2 (d +2,5) 2 kN.EN2288:1989 6 BSI 04-2000 5 Designation Each bush shall only be designated as in the following example: NOTE 1T

    32、he number of characters is constant, zero(0) is inserted at the left of the figure when the diameterd or lengthL is lessthan10. NOTE 2If necessary the originators codeI9005 may be introduced between the description block and the identity block. 6 Marking In addition to the manufacturers own marking

    33、each bush and its package shall be marked with the identity block specified in clause5 of this standard. Marking position and method are at manufacturers option, and shall not have any detrimental effect on the bush. 7 Technical specification Bushes supplied to this standard shall conform with the r

    34、equirements of technical specification EN2311. The loads given inTable 2 of this standard are only applicable under the conditions given in EN2311. 8 Design recommendation Bushes defined by this standard are intended to be installed by interference fit methods (seeFigure 2). Therefore, the loads giv

    35、en inTable 2 can only be insured if the following mounting is applied. Hardness of the shaft: 45HRCSurface roughness of the shaft: SeeFigure 2 The reduction in bore diameterd (seeFigure 1) due to interference fit of the bush in the housing has been taken into account when selecting tolerances for th

    36、e shaft:f6 (clearance fit) orj6 (transition fit). Figure 2 BSEN2288:1990 BSI 04-2000 National appendix A The United Kingdom participation in the preparation of this European Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical CommitteeACE/14 upon which the followi

    37、ng bodies were represented: British Independent Steel Producers Association Civil Aviation Authority (Airworthiness Division) Federation of Wire Rope Manufacturers of Great Britain Ministry of Defence Society of British Aerospace Companies Ltd. Stainless Steel Wire Export Group National appendix B T

    38、he British Standards corresponding to the European Standards referred to in the text are identical in number and title with those given in clause3.BS EN 2288:1990 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing Br

    39、itishStandards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions BritishStandards are updated by amendment or revision. Users of BritishStandards should make sure that they possess the latest amendments or editions. It is t

    40、he constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this BritishStandard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cov

    41、er. Tel:02089969000. Fax:02089967400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Cust

    42、omer Services. Tel:02089969001. Fax:02089967001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as BritishStandards, unless otherwise requested. Information on standards BSI provides a wide range of information o

    43、n national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel:02089967111. Fax:02089967048. Subs

    44、cribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel:02089967002. Fax:02089967001. Copyright Copyright subsists in all BSI publicatio

    45、ns. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photoc

    46、opying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel:02089967070.


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