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本文(ASD-STAN PREN 3902-1995 Aerospace Series Washers for Rivet Assemblies in Aluminium Alloy Anodized Metric Series (Edition P1)《航空航天系列 公制系列经阳极化处理的铝合金制铆钉组件用垫圈 第P1版》.pdf)为本站会员(registerpick115)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASD-STAN PREN 3902-1995 Aerospace Series Washers for Rivet Assemblies in Aluminium Alloy Anodized Metric Series (Edition P1)《航空航天系列 公制系列经阳极化处理的铝合金制铆钉组件用垫圈 第P1版》.pdf

1、AECMA PREN*3902 95 IOL23LL 0008548 T35 W Edition approved for publication 1995-04-28 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE prEN 3902

2、 Edition P 1 April 1995 DIT PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (I) 47.36.98.76 ICs : Descriptors : ENGLISH VERSION Aerospace series Washers for rivet assemblies, in aluminium alloy

3、, anodized, metric series Srie arospatiale Rondelles pour assemblages par rivets, en alliage daluminium, anodises, srie mtrique Luft- und Raumfahrt Scheiben fr Nietverbindungen, aus Aluminiumlegierung, anodisiert, metrische Reihe This “Aerospace Series“ Prestandard has been drawn up under the respon

4、sibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Membecs. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publicat

5、ion of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected,. physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Offici

6、al Services of the Member countries it will be submitted as a draft European Standard to CEN (European Cornmittee for Standardization) for formal vote. Nota - Extra copies can be supplied by t3.N.A E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ICCY-LEC-MOULINEAUX CEDEX C3 Chairman M.

7、 Arena Y m aecma 1995 AECPlA PRENa3902 95 I LOL23LL 0008549 971, 4 Page 3 i: prEN 3902 : 1995 . I. Y 1 Scope This standard specifies the characteristics of washers for rivet assemblies, in aluminium alloy, anodized, metric series, for maximum operating temperature 1 20 OC, for aerospace applications

8、. 2 Normative references EN 2000 Aerospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturers EN 2090 Aerospace series - Aluminium alloy 2024-T3 - clad sheet and strip - 0,4 I a I 6 mrn EN 2091 Aerospace series - Aluminium alloy 2024-T4 - clad sheet

9、and strip - 0,4 a I 6 mrn EN 2284 Aerospace series - Sufphuric acid anodizing of aluminium and wrought aluminium alloys EN 2320 Aerospace series - Aluminium alloy 2024-T4 - drawn bar a 2 75 mrn EN 2321 Aluminium alloy 2024-T3 - Bars and sections a 5 150 rnm - Aerospace series EN 2424 Aerospace serie

10、s - Marking of aerospace products 3 Required characteristics 3.1 See figure 1 and table 1. Dimensions and tolerances are expressed in millirnetres and apply after surface treatment. Configuration - Dimensions - Masses 3.2 Materials EN 2090, EN 2091, EN 2320 or EN 2321 J , 3.3 Surface treatment EN 22

11、848 Previous Page is blank 1 i Published as AECMA Standard at the date of publication of this standard g Page 4 prEN 3902 : 1995 Values in micrometres apply prior to surface treatment. Remove sharp edges 0,l to 0,2 V I Figure 1 Table 1 Size code 02 hl 4 S f 10%2) Mass 3) Corresponding rivet diameter

12、 for information O1 5 1.6 I 1,8 5 0,038 6 0,055 020 025 0,8 1 o, 1 O0 8 9 030 0,156 035 10 o, 1 90 040 4 .* I 4,2 12 0,278 050 5 I 52 15 0,696 060 6 I 6,2 i : 18 0,968 8 I 8,2 1,789 24 080 1) Corresponds to the nominal diameter. 2) Includes also the flatness tolerance. 3) Approximate values (kg/l O0

13、0 pieces), calculated on the basis of 2,8 kg/dm3, for information purposes only AECMA PREN*3702 75 BI LOL23LL 0008551 52T Description block WASHER I Page 5 prEN 3902 : 1995 ! 1. i Identity block EN3902-080 4 Designation EXAMPLE : NOTE : If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style G 6 Quality assurance EN 2000

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