1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4710-04 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 04: Spring clamp One way tolerance compensation Srie arospatiale Fixations rapides filetes pour applications non-structurales Partie 04 : Collier lyre Un degr de libert Luft- und Raumfahrt Druckverschlsse nich
3、t-strukturelle Anwendungen Teil 04: Feder Clip Einfacher Toleranzausgleich 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 Aerospac
4、e Industry. It has been technically approved by the 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-identi
5、fication of the standard. After examination and review by users and formal agreement 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
6、then to implement the EN at national level by giving the EN the status of a national 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 Mecha
7、nical Domain Copyright 2014 by ASD-STAN prEN 4710-04:2014 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Requirements . 3 4 Designation 5 5 Marking . 5 6 Technical specification . 6 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical D
8、omain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4710-04:2014 (E) 3 1 Scope This standard specifies the dimensions, mass, tolerances and static values of catch
9、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 following referenced
10、documents are indispensable for the application of this document. For dated references, 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
11、 series Passivation of corrosion resistant steels and decontamination of nickel base alloys EN 4710-01, Aerospace series Quick release fastening systems for non-structural applications Part 01: Technical specification Technical specification 1)EN 4710-02, Aerospace series Quick release fastening sys
12、tems for non-structural applications Part 02: Stud spring clamp family 1)EN 4710-06, Aerospace series 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 applicatio
13、ns Part 07: Retaining grommet 1)EN 10151, Stainless steel strip for springs Technical delivery conditions 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 fo
14、r linear and angular dimensions without individual tolerance indications ISO 2768-2:1989, General tolerances 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 suppleme
15、ntary 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. Tolerances not specified, shall be in accordance with ISO 2768-mK (ISO 2768-1:1989 and ISO 2768-2:1989). Dimension
16、s are unless otherwise specified per manufacturers option. 1) Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-stan.org/ prEN 4710-04:2014 (E) 4 Key F load direction Figure 1 Configuration spring clamp CTx Table 1 Dimensions and mass Dimensions in millimet
17、res Type code Plate code a b1b2b3 d1 d2h1 l1 l2 l3 l4 t Rmax. Mass approximate 0,4 0,4 0,1 g CTS 3 5,0 0,8 0,2 9,5 2,6 5,0 6,2 24,0 17,8 11,0 6,1 0,35 0,6 0,9 CTM 4 7,0 1,4 0,3 13,7 2,6 7,8 10,3 31,3 23,3 12,0 5,6 0,4 1,0 2,3 aPlate code is according to dimension t. prEN 4710-04:2014 (E) 5 3.2 Mecha
18、nical characteristics Ultimate loads, see Table 2. Table 2 Loads Type codeUltimate loads Material code F N CTS 500 A S CTM 900 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 Surfac
19、e 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 DIN 50979 4 Designation EXAMPLE Description block SPRING CLAMP, ONE WAY MOVABLE Identity block EN4710-04CTM4S Number of the bas
20、ic 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 prEN 4710-04:2014 (E) 6 6 Technical specification Required tests for acceptance and qualification shall be in accordance to Table 4. Table 4 Requirements, inspec
21、tions 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 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
22、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 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.
