ASD-STAN PREN 4710-03-2014 Aerospace series Quick release fastening systems for non-structural applications Part 03 Spring clamp (Edition P 1).pdf

1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4710-03 Edition P 1 February 2014 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONRue Montoyer 10 - 1000 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGLISH VER

2、SION Aerospace series Quick release fastening systems for non-structural 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: Feder Clip Th

3、is “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 the experts of the concerned

4、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 review by users and formal ag

5、reement of ASD-STAN, it 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 national level by giving the EN the status of a n

6、ational standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 28 February 2014 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2014 by ASD-STAN prEN 4710-03:2014 (E) 2 Contents Page

7、 Foreword 2 1 Scope 3 2 Normative references 3 3 Requirements . 3 4 Designation 5 5 Marking . 6 6 Technical specification . 6 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of

8、ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4710-03:2014 (E) 3 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

9、 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 following referenced documents are indispensable for the application of this document. For dated r

10、eferences, only the edition cited applies. For undated references, the latest edition 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 nick

11、el base alloys EN 4710-01, Aerospace series Quick release fastening systems for non-structural applications Part 01: Technical specification 1)EN 4710-02, Aerospace series Quick release fastening systems for non-structural applications Part 02: Stud spring clamp family 1)EN 4710-06, Aerospace series

12、 Quick release fastening systems for non-structural applications Part 06: Stud - quick-release and locking 1)EN 4710-07, Aerospace series Quick release fastening systems for non-structural applications Part 07: Retaining grommet 1)EN 10151, Stainless steel strip for springs Technical delivery condit

13、ions EN 10132-4, Cold rolled narrow steel strip for heat treatment Technical delivery conditions 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 tol

14、erances Part 2: Geometrical tolerances for features without individual tolerance indications 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 con

15、figuration, dimensions, tolerances and mass shall conform with Figure 1 and Table 1. Tolerances 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. 1) Published as ASD-STAN Prestandard at th

16、e date of publication of this standard. http:/www.asd-stan.org/ prEN 4710-03:2014 (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 d2h1 l1 l2 l3 l4 t Rmax. Mass approximate 0,4 0,3 0,1 0,1 0,3 0,3

17、 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 26,0 18,0 12,2 0,5 1,2 3,8 aPlate code is according to dimension t. prEN 4710-03:2014 (E) 5 3.2 Mechanical characteristics Ult

18、imate 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 with the Table 3. Table 3 Materials and surface treatment Material code Material Surface treatment S

19、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 DIN 50979 4 Designation EXAMPLE Description block SPRING CLAMP Identity block EN4710-03CM4S Number of the basic standard Standard family numb

20、er Type code (see Table 1) Plate code (see Table 1) Material code (see Table 3) prEN 4710-03:2014 (E) 6 5 Marking 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 R

21、equirements 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 Dimensions 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 Tab

22、le 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 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 aAcceptance test. bQualification test.