1、BSI Standards PublicationBS EN 4710-03:2015Aerospace series Quickrelease fastening systems fornon-structural applicationsPart 03: Spring clampBS EN 4710-03:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4710-03:2015. The UK participation in its preparation
2、 was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
3、 its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 89132 8 ICS 49.035 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy a
4、nd Strategy Committee on 31 October 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 4710-03:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4710-03 October 2015 ICS 49.035 English Version Aerospace series - Quick release fastening systems for non-structu
5、ral applications - Part 03: Spring clamp Srie arospatiale - Fixations rapides filetes pour applications non-structurales - Partie 03: Collier lyre Luft- und Raumfahrt - Druckverschlsse nicht-strukturelle Anwendungen - Teil 03: Federclip This European Standard was approved by CEN on 5 March 2015. CEN
6、 members are bound to comply with the CEN/CENELEC Internal Regulations which 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 appl
7、ication to the CEN-CENELEC Management Centre or to any CEN member. This European 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 the CEN-CENELEC Ma
8、nagement Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lat
9、via, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marn
10、ix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4710-03:2015 EBS EN 4710-03:2015EN 4710-03:2015 (E) 2 Contents Page European foreword 3 1 Scope .4 2 Normative references .4 3 Requirements.4 4 Designation
11、 7 5 Marking .7 6 Technical specification .7 BS EN 4710-03:2015EN 4710-03:2015 (E) 3 European foreword This document (EN 4710-03:2015) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance wit
12、h the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an ident
13、ical text or by endorsement, at the latest by April 2016, and conflicting national standards shall be withdrawn at the latest by April 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held resp
14、onsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finl
15、and, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4710-03:2015EN 4710-03:201
16、5 (E) 4 1 Scope This standard specifies the dimensions, mass, tolerances and static values of catch spring for use in fuselage interior equipment and non-structural or secondary structural area. This standard part shall be used in conjunction with EN 4710-06 and EN 4710-07 as described in EN 4710-02
17、. The applicable temperature range is 55 C to 85 C. 2 Normative references The 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 edi
18、tion of the referenced document (including any amendments) applies. EN 2424, Aerospace series Marking of aerospace products EN 2516, Aerospace series Passivation of corrosion resistant steels and decontamination of nickel base alloys EN 4710-01, Aerospace series Quick release fastening systems for n
19、on-structural applications Part 01: Technical specificationEN 4710-02, Aerospace series Quick release fastening systems for non-structural applications Part 02: Stud spring clamp family EN 4710-06, Aerospace series Quick release fastening systems for non-structural applications Part 06: Stud - quick
20、-release and locking EN 4710-07, Aerospace series Quick release fastening systems for non-structural applications Part 07: Retaining grommet EN 10151, Stainless steel strip for springs Technical delivery conditions EN 10132-4, Cold-rolled narrow steel strip for heat-treatment Technical delivery cond
21、itions Part 4: Spring steels and other applications ISO 2768-1:1989, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 2768-2:1989, General tolerances Part 2: Geometrical tolerances for features without individual tolerance indicatio
22、ns DIN 50979, Metallic coatings Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment 3 Requirements 3.1 Configuration, dimensions, tolerances and mass The configuration, dimensions, tolerances and mass shall conform with Figure 1 and Table 1. Toler
23、ances not specified, shall be in accordance with ISO 2768-mK (ISO 2768-1:1989 and ISO 2768-2:1989). Dimensions are unless otherwise specified per manufacturers option. BS EN 4710-03:2015EN 4710-03:2015 (E) 5 Key F load direction Figure 1 Configuration spring clamp Cx Table 1 Dimensions and mass Dime
24、nsions in millimetres Type code Plate code a b1 b2 b3 d1 d2 h1 l1 l2 l3 l4 t Rmax. Mass approximate 0,4 0,3 0,1 0,1 0,3 0,3 g CS 3 5,0 0,8 0,2 9,5 2,6 5,0 6,2 19,3 12,8 8,5 6,2 0,3 0,6 0,4 CM 4 7,0 1,2 0,3 13,7 2,6 7,8 10,2 25,7 17,5 12,2 9,0 0,4 1,0 1,7 CL 5 13,0 1,8 0,4 18,8 3,4 10,9 12,4 36,5 26,
25、0 18,0 12,2 0,5 1,2 3,8 aPlate code is according to dimension t. BS EN 4710-03:2015EN 4710-03:2015 (E) 6 3.2 Mechanical characteristics Ultimate loads, see Table 2. Table 2 Loads Type codeUltimate loads F N Material code CS 500 A S CM 900 A S CL 2 000 A S 3.3 Materials and surface treatment Material
26、s and finished shall be in accordance with the Table 3. Table 3 Materials and surface treatment Material code Material Surface treatment S Stainless steel 1.4310 per EN 10151 Passivated per EN 2516 A Alloy steel 1.0605 per EN 10132-4 or Alloy steel 1.1248 per EN 10132-4 Electro plated coating per DI
27、N 50979 BS EN 4710-03:2015EN 4710-03:2015 (E) 7 4 Designation EXAMPLE Description block SPRING CLAMP Identity block EN4710-03CM4S Number of the basic standard Standard family number Type code (see Table 1) Plate code (see Table 1) Material code (see Table 3) 5 Marking EN 2424, style F. 6 Technical s
28、pecification Required tests for acceptance and qualification shall be in accordance to Table 4. Table 4 Requirements, inspections and tests Characteristic Requirements Requirements as per EN 4710-01 Inspections and tests as per EN 4710-01 A aQ bMaterials In accordance with Table 3. 4.1 5.4.1 X X Dim
29、ensions and masses In accordance with Table 1. 4.2 5.4.2 X X Surface defects Refer to EN 4710-01. 4.3.1 5.4.3.1 X X Surface treatment In accordance with Table 3. 4.3.2 5.4.3.2 X X Ultimate tensile loads In accordance with Table 2. 4.4.1 5.4.4.1 X Corrosion resistance Refer to EN 4710-01. 4.5 5.4.5 X
30、 Functionality Refer to EN 4710-01. 4.7.1 5.4.7.1 X Endurance Material code A: 1 500 cycles Material code S: 500 cycles. 4.7.2 5.4.7.2 X Identification marking of the product Refer to EN 4710-01. 4.8.1 5.4.8.1 X X Identification marking of the package Refer to EN 4710-01. 4.8.2 5.4.8.2 X X aAcceptan
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