ASD-STAN PREN 4710-03-2017 Aerospace series - Quick release fastening systems for non-structural applications - Part 03 Spring clamp (Edition P2).pdf

1、prEN 4710-03:2017 (E) 1 ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4710-03 Edition P2 2017-07 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.org I

2、CS: Descriptors: ENGLISH VERSION Aerospace series Quick release fastening systems for non-structural applications Part 03: Spring clamp Luft- und Raumfahrt Druckverschlsse nicht-strukturelle Anwendungen Teil 03: Feder Clip Srie arospatiale Fixations rapides filetes pour applications non-structurales

3、 Partie 03 : Collier Iyre This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by t

4、he experts of the concerned Domain following member comments. Subsequent to the publication 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 r

5、eview by users and formal agreement of ASD-STAN, the ASD-STAN prEN will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at nation

6、al level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely vo

7、luntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical report at least every five years at which time it may be revised, reaffirmed, stabilized o

8、r cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherw

9、ise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1stJune 2017 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical domain Copyright 2017 ASD-STAN

10、 prEN 4710-03:2017 (E) 2 Contents Page 1 Scope 3 2 Normative references 3 3 Requirements 3 4 Designation 6 5 Marking . 6 6 Technical specification 6 Annex A (informative) Standard evolution form . 7 prEN 4710-03:2017 (E) 3 1 Scope This standard specifies the dimensions, mass, tolerances and static v

11、alues 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. The applicable temperature range is 55 C to 85 C. 2 Normative references The follow

12、ing 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 edition of the referenced document (including any amendments) applies. DIN 50979, Metall

13、ic coatings Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment 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, Aeros

14、pace series Quick release fastening systems for non-structural applications Part 01: Technical specificationEN 4710-02, Aerospace series Quick release fastening systems for non-structural applications Part 02: Spring clamp stud combination EN 4710-06, Aerospace series Quick release fastening systems

15、 for non-structural applications Part 06: Stud - quick-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

16、steel strip for heat-treatment Technical delivery conditions Part 4: Spring steels and other applications EN 22768-1:1993, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications (ISO 2768-1:1989) EN 22768-2:1993, General tolerances Part 2: Ge

17、ometrical tolerances for features without individual tolerance indications (ISO 2768-2:1989) 3 Requirements 3.1 Configuration, dimensions, tolerances and mass The configuration, dimensions, tolerances and mass shall conform with Figure 1 and Table 1. Tolerances not specified, shall be in accordance

18、with ISO 2768-mK (EN 22768-1:1993 and EN 22768-2:1993). Dimensions are unless otherwise specified per manufacturers option. prEN 4710-03:2017 (E) 4 Key F load direction Figure 1 Configuration spring clamp Cx Table 1 Dimensions and mass Dimensions in millimetres Type code Plate code a b1b2b3 d1 d2h1l

19、1l2l3l4t Rmax.Mass approximate null 0,4 null 0,3 null 0,1 null 0,1 null 0,3 null 0,3 g CS 3 5,0 0,8 null 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 null 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 null 0,4 18,8 3,4 10,9 12,4 36,5 26,0 18,0 12,2 0,5 1,2 3,8

20、aPlate code is according to dimension t. prEN 4710-03:2017 (E) 5 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 Materials and finished shall be in accordance wi

21、th the Table 3. Table 3 Materials and surface treatment Material code Material Surface treatment S Stainless steel 1.4310 according to EN 10151 Passivated according to EN 2516 A Alloy steel 1.0605 according to EN 10132-4 or Alloy steel 1.1248 according to EN 10132-4 Electro plated coating according

22、to DIN 50979 prEN 4710-03:2017 (E) 6 4 Designation 5 Marking Marking shall be in accordance with EN 2424, style F. 6 Technical specification Required tests for acceptance and qualification shall be in accordance to Table 4. Table 4 Requirements, inspections and tests Characteristic Requirements Requ

23、irements according to EN 4710-01 Inspections and tests according to EN 4710-01 A aQ bMaterials According to Table 3. 4.1 5.4.1 X X Dimensions and masses According to Table 1. 4.2 5.4.2 X X Surface defects According to EN 4710-01. 4.3.1 5.4.3.1 X X Surface treatment According to Table 3. 4.3.2 5.4.3.

24、2 X X Ultimate tensile loads According to Table 2. 4.4.1 5.4.4.1 X Corrosion resistance According to EN 4710-01. 4.5 5.4.5 X Functionality According 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 produ

25、ct According to EN 4710-01. 4.8.1 5.4.8.1 X X Identification marking of the package According to EN 4710-01. 4.8.2 5.4.8.2 X X aAcceptance test. bQualification test. prEN 4710-03:2017 (E) 7 Annex A(informative) Standard evolution form The main changes with respect to the previous edition are listed

26、in Table A.1. Table A.1 Main changes to previous edition prEN/EN Number Edition Publication Date Modification Reason and validation prEN 4710-03 P1 02/2014 Update normative References from ISO 2768-1:1989 to EN 22768-1:1993 and ISO 2768-2:1989 to EN 22768-2:1993 Update according to the other EN 4710 parts.