1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4710-07 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 07: Retaining grommet Srie arospatiale Fixations rapides filetes pour applications non-structurales Partie 07 : illet de retenue Luft- und Raumfahrt Druckverschlsse nicht-strukturelle Anwendungen Teil 07: Halt
3、ering 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 the experts of the co
4、ncerned 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 f
5、ormal 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 then to implement the EN at national level by giving the EN the statu
6、s 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 Mechanical Domain Copyright 2014 by ASD-STAN prEN 4710-07:2014 (E) 2 Conte
7、nts Page Foreword 2 1 Scope 3 2 Normative references 3 3 Requirements . 4 4 Designation 5 5 Marking . 5 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 r
8、ules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4710-07:2014 (E) 3 1 Scope This standard specifies the dimensions, mass and tolerances of the retaining grommet for use in fuselage interior equipment and non- structural or second
9、ary structural area. This standard part shall be used in conjunction with EN 4710-06 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 references, o
10、nly 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 4710-01, Aerospace series Quick release fastening systems for non-structural applications Part 01: Techn
11、ical 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 Quick release fastening systems for non-structural applications Part 06: Stud - quick-release and locking 1)ISO 2768-1, G
12、eneral tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 2768-2, General tolerances Part 2: Geometrical tolerances for features without individual tolerance indications 1) Published as ASD-STAN Prestandard at the date of publication of this
13、standard. http:/www.asd-stan.org/ prEN 4710-07:2014 (E) 4 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 a
14、nd ISO 2768-2:1989). Dimensions are unless otherwise specified per manufacturers option. Figure 1 Configuration grommet Rx Table 1 Dimensions and mass Dimensions in millimetres Type code Length code a D d l Mass Approximate g RS 05 6,0 2,4 0,5 0,02 12 1,2 0,03 17 1,7 0,0525 2,5 0,0732 3,2 0,0848 4,8
15、 0,15 RM 17 9,5 4,0 1,7 0,1225 2,5 0,2040 4,0 0,2850 5,0 0,38 60 6,0 0,48RL 17 13,0 5,5 1,7 0,25 25 2,5 0,3540 4,0 0,6056 5,6 0,9080 8,0 1,20 aSee “l” in 1/10 mm. prEN 4710-07:2014 (E) 5 3.2 Material Material shall be in accordance with the Table 2. Table 2 Material and hardness Material code Materi
16、al Hardness A Silicone 60 5 IHDC Shore A The silicone shall not have a live limit. 4 Designation EXAMPLE Description block RETAINING GROMMET Identity block EN4710-07RM17A Number of the basic standard Standard family number Type code (see Table 1) Length code (see Table 1) Material code (see Table 2)
17、 5 Marking EN 2424, style G prEN 4710-07:2014 (E) 6 6 Technical specification Required tests for acceptance and qualification shall be in accordance to Table 3. Table 3 Requirements, inspections and tests Characteristic Requirements Requirements as per EN 4710-01 Inspections and tests as per EN 4710
18、-01 A aQ bMaterials In accordance with Table 2. 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 Burning behaviour Refer to EN 4710-01. 4.6.1 5.4.6.1 X Functionality Refer to EN4710-01. 4.7.1 5.4.7.1 - X Identification marking of the package Refer to EN 4710-01. 4.8.2 5.4.8.2 X X aAcceptance test. bQualification test.
