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    ASD-STAN PREN 4702-05-2016 Aerospace series - Quick release fastening systems with non metallic stud for non-structural applications - Part 05 Retaining washer (Edition P 1).pdf

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    ASD-STAN PREN 4702-05-2016 Aerospace series - Quick release fastening systems with non metallic stud for non-structural applications - Part 05 Retaining washer (Edition P 1).pdf

    1、 ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4702-05:2016 Edition P1 2016-09 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 ICS: Descriptors: E

    2、NGLISH VERSION Aerospace series Quick release fastening systems for non-structural applications Part 05: Retaining washer Luft- und Raumfahrt Schnellverschlusssysteme fr nicht-strukturelle Anwendungen Teil 05: Haltescheibe Srie arospatiale Fixations rapides filetes pour applications non-structurales

    3、 Partie 05 : Rondelle de maintien 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 appro

    4、ved 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-identification of the standard. After examinati

    5、on and review 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 a

    6、t national 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 Eur opean Aerospace Industry. The use of this standard is en

    7、tirely voluntary, and its applicability and suitability for any par t icu lar 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,

    8、stabilized or 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, recordin

    9、g, or otherwise, 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 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain prEN 4702-05:2016 (E) 2

    10、Contents Page Foreword 3 1 Scope. 4 2 Normative references. 4 3 Requirements 5 3.1 Configuration, dimensions, tolerances and mass 5 3.2 Material and surface treatment 6 3.3 Colour . 6 4 Designation 6 5 Marking . 6 6 Quality assurance 7 6.1 Supplier certification 7 6.2 Product qualification 7 7 Techn

    11、ical Specification 7 Annex A (normative) Material 8 Bibliography .10 prEN 4702-05:2016 (E) 3 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 ASD-STAN defined in ASD-STANs Gen

    12、eral Process Manual, this standard has received approval for Publication. prEN 4702-05:2016 (E) 4 1 Scope The standard specifies the dimensions, mass tolerances of quick-release and locking washers for use in fuselage interior equipment and non-structural or secondary structural area. 2 Normative re

    13、ferences 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 edition of the referenced document (including any amendments) applies

    14、. EN 2424, Aerospace series Marking of aerospace products EN 4710-01, Aerospace series Quick release fastening systems for non-structural applications Part 01: Technical specification EN 10088-2, Stainless steels Part 2: Technical delivery conditions for semi-finished products, bars, rods wire and b

    15、right products of corrosion resisting steels for general purposes EN 22768-1:1993, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications EN 22768-2:1993, General tolerances Part 2: Geometrical tolerances for features without individual toler

    16、ance indications EN ISO 62, Plastics Determination of water absorption EN ISO 75-1, Plastics Determination of temperature of deflection under load Part 1: General test method EN ISO 75-2, Plastics Determination of temperature of deflection under load Part 2: Plastics and ebonite EN ISO 178, Plastics

    17、 Determination of flexural properties EN ISO 179-1, Plastics Determination of Charpy impact properties Part 1: Non-instrumented impact test EN ISO 180, Plastics Determination of Izod impact strength EN ISO 307, Plastics Polyamides Determination of viscosity number EN ISO 527-1, Plastics Determinatio

    18、n of tensile properties Part 1: General principles EN ISO 527-2, Plastics Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics EN ISO 899-1, Plastics Determination of creep behaviour Part 1: Tensile creep EN ISO 1043-1, Plastics Symbols and abbreviated term

    19、s Part 1: Basic polymers and their special characteristics EN ISO 1133-1, Plastics Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics Part 1: Standard method EN ISO 1183-1, Plastics Methods for determining the density of non-cellular plastics Part 1: Imm

    20、ersion method, liquid pyknometer method and titration method prEN 4702-05:2016 (E) 5 EN ISO 8497, Thermal insulation Determination of steady-state thermal transmission properties of thermal insulation for circular pipes EN ISO 11357-2, Plastics Differential scanning calorimetry (DSC) Part 2: Determi

    21、nation of glass transition temperature and glass transition step height ISO 11359-1, Plastics Thermomechanical analysis (TMA) Part 1: General priciples ISO 11359-2, Plastics Thermomechanical analysis (TMA) Part 2: Determination of coefficient of linear thermal expansion and glass transition temperat

    22、ure IEC 60250, Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths IEC 62631-3-2, Dielectric and resistive properties of solid insulating materials Part 3-

    23、2: Determination of resistive properties (DC methods) Surface resistance and surface resistivity 3 Requirements 3.1 Configuration, dimensions, tolerances and mass The configuration, dimensions, tolerances and mass shall confirm with Figure 1 and Table 1. Tolerances not specified, shall be in accorda

    24、nce with ISO 2768-mK (EN 22768-1:1993 and EN 22768-2:1993). Missing dimensions are left to manufacturers option. The applicable temperature range is 55 C to 85 C. A) Type A B) Type B Key T Thickness D Diameter 1 Marking Figure 1 Retaining Washer Impossible dafficher limage lie. Le fichier a peut-tre

    25、 t dplac, renomm ou supprim. Vrifiez que la liaison pointe vers le fichier et lemplacement corrects.prEN 4702-05:2016 (E) 6 Table 1 Dimension and mass Type code Size code T mm D mm Mass g A 14 0,35 14 0,34 B 18 1 null 0,15 18 0,22 B 20 20 0,31 B 25 25 0,50 3.2 Material and surface treatment Material

    26、s shall be in accordance with Table 2. Table 2 Material Type code Material Colour A Corrosion resistant steel (1.4310 according to EN 10088-2) blank B PA 66 See Table 3 3.3 Colour Colour codes are shown in Table 6. Table 3 Colour Colour code Colour RAL G Clean white 9010 H Deep black 9005 4 Designat

    27、ion EXAMPLE 5 Marking Marking shall be in accordance with EN 2424, Style F. Impossible dafficher limage lie. Le fichier a peut-tre t dplac, renomm ou supprim. Vrifiez que la liaison pointe vers le fichier et lemplacement corrects.prEN 4702-05:2016 (E) 7 6 Quality assurance 6.1 Supplier certification

    28、 The manufacturers operations shall be an approved production organization for aerospace products and shall demonstrate that it has implemented and is able to maintain a quality system (e. g. according to EN 9100 or another in aerospace accepted and established quality management system). 6.2 Produc

    29、t qualification The technical requirements for the product standard qualification are listed in EN 4710-01. The product qualification shall be performed to the process as defined in e. g. EN 9133 to achieve a qualification approval from the controlling Certification Authority (CA). 7 Technical Speci

    30、fication Required tests for acceptance and qualification shall be in accordance to Table 4 and EN 4710-01. Table 4 Requirements, inspections and tests Characteristic Requirements Requirements according to EN 4710-01 Inspections and tests according to EN 4710-01 Aa Qb Materials In accordance with the

    31、 specifications of the relevant product standards 4.1 5.4.1 X X Dimensions and masses In accordance with the relevant product standards 4.2 5.4.2 X X Surface defects According to EN 4710-01 4.3.1 5.4.3.1 X X Burning behaviour According to EN 4710-01 4.6.1 5.4.6.1 X Identification marking of the pack

    32、age According to EN 4710-01 4.8.2 5.4.8.2 X X aAcceptance test. bQualification test. prEN 4702-05:2016 (E) 8 Anhang A (normative) Material Characteristics of Polyamid (PA) 66 are shown in Table A.1. Table A.1 Polyamid (PA) 66 (1 of 2) Unit Test specification Condition Value Symbol EN ISO 1043-1 PA66

    33、 Density g/cm3EN ISO 1183-1 1,13 Viscosity number (solution 0,005 g sulfuric acid/ml) ml/g EN ISO 307 150 Water absorption, saturation in water at 23 C % EN ISO 62 8 - 9 Moisture absorption saturation in standard conditions atmosphere 23 C / 50 % relative humidity % EN ISO 62 2,5 - 3,1 Melting point

    34、 C EN ISO 11357-2 260 Melt volume rate cm3/10 min EN ISO 1133-1 115 Tensile modulus of elasticity MPa EN ISO 527-1 EN ISO 527-2 dry/conditioned 3100/ 1100 Stress at yield (v = 50 mm/min) MPa EN ISO 527-1 EN ISO 527-2 dry/conditioned 85/50 Elongation at yield (v = 50 mm/min) % EN ISO 527-1 EN ISO 527

    35、-2 dry/conditioned 5/20 Tensile creep modulus, 1 000 h, elongation 0,5 %, +23 C MPa EN ISO 899-1 conditioned 700 Flexural modulus MPa EN ISO 178 dry/conditioned 2900/- Charpy notched impact strength +23 C kJ/m2EN ISO 179-1eA dry/conditioned 5/20 Charpy notched impact strength 30 C kJ/m2EN ISO 179-1e

    36、A dry 4 Izod notched impact strength A +23 C kJ/m2EN ISO 180/A dry/conditioned 5,5/N Izod notched impact strength A 30 C kJ/m2 EN ISO 180/A dry 6 Heat distortion temperature under 1,8 MPa load C EN ISO 75-1 EN ISO 75-2 75 prEN 4702-05:2016 (E) 9 Table A.2 Polyamid (PA) 66 (2 of 2) Unit Test specific

    37、ation Condition Value Heat distortion temperature under 0,45 MPa load C EN ISO 75-1 EN ISO 75-2 220 Coefficient of linear expansion, (23 C 80 C) 104/K ISO 11359-1 ISO 11359-2 0,7 - 1 Thermal conductivity W(m . k) ISO 8497 0,33 Dielectric constant at 1 MHz IEC 60250 dry/conditioned 3,2/5 Dissipation

    38、factor at 1 MHz 104 IEC 60250 dry/conditioned 250/ 2 000 Volume resistivity . m IEC 62631-3-2 dry/conditioned 1013/ 1010 Surface resistivity IEC 62631-3-2 conditioned 1010 prEN 4702-05:2016 (E) 10 Bibliography 1 EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations 2 EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts


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