1、 ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4124:2017 Edition P2 2017-02 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: ENGL
2、ISH VERSION Aerospace series Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated on thread, for 60 swage Classification: 1 210 MPa (at ambient temperature) / 730 C Luft- und Raumfahrt Einnietmuttern, selbstsichernd, aus hochwarmfester Nickelbasislegierun
3、g NI-PH1302 (Waspaloy), Gewinde versilbert, fr 60 Aufweitung Klasse: 1 210 MPa (bei Raumtemperatur) / 730 C Srie arospatiale crous sertir, freinage interne, en alliage rsistant chaud base de nickel NI-PH1302 (Waspaloy), argents sur filetage, pour sertissage 60 Classification : 1 210 MPa ( temprature
4、 ambiante ) / 730 C 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 exp
5、erts 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 review
6、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 national lev
7、el 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 voluntar
8、y, 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 or canc
9、elled. 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 otherwise, w
10、ithout prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1stFebruary Comments should be sent within six months after the date of publication to ASD-STAN Mechanical domain Copyright 2017 ASD-STAN prEN 4
11、124:2017 (E) 2 Contents Page Foreword . 3 1 Scope 4 2 Normative references 4 3 Required characteristics . 4 3.1 Configuration Dimensions Tolerances Masses . 4 3.2 Materials . 4 3.3 Surface treatment 4 4 Designation 6 5 Marking . 6 6 Technical specification 6 prEN 4124:2017 (E) 3 Foreword This standa
12、rd 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 General Process Manual, this standard has received approval for Publication. prEN 4124:2017 (E) 4 1 Scope This stand
13、ard specifies the characteristics of self-locking shank nuts in NI-PH1302, silver plated on thread, for use in 60 cone holes, for aerospace applications. Classification: 1 210 MPa 1)/ 730 C 2)2 Normative references The following referenced documents are indispensable for the application of this docu
14、ment. 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 2786, Aerospace series Electrolytic silver plating of fasteners EN 2959, Ae
15、rospace series Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al) Solution treated and cold worked Bar for forged fasteners 3 mm D 30 mm 3)EN 3005, Aerospace series Nuts, self-locking, MJ threads, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated or uncoated Classification: 1
16、210 MPa (at ambient temperature) / 730 C Technical specification EN 3220, Aerospace series Heat resisting nickel base alloy (NI-P101HT) Cold worked and softened Bar and wire for continuous forging or extrusion for fasteners 3 D 30 mm 3)ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bo
17、lts and nuts 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. They apply after silver plating for thread surface. 3.2 Materials EN 2959 or EN 3220 3.3 Surface treatment EN 2786 on thread only Thickness:
18、thread MJ6: 5 m min. on thread flanks; thread MJ5: shall show complete coverage, without thickness requirement. 1)Correspond to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class. 2)Maxi
19、mum test temperature of the parts 3)Published as ASD-STAN Prestandard at the date of publication of this standard. http:/www.asd-stan.org/ prEN 4124:2017 (E) 5 Coating may extend to counterbore and chamfers at manufacturers option, without thickness requirement. Key 1 values applicable before silver
20、 plating. Thread surface will be as achieved by normal methods of manufacture. 2 remove sharp edges 0,1 to 0,4. 3 not convex 4 chamfer or radius 0,08 max. 5 thread 6 form out-of-round in this area to achieve the self-locking requirement (tooling marks permissible). 7 pitch diameter 8 marking in thes
21、e areas but not in locking area Details of form not stated are left to the manufacturers discretion. aLimit of the blend radius Figure 1 prEN 4124:2017 (E) 6 Table 1 Thread aC E H J L P S T Z Mass kg/1 000 parts Code Designation 0,1 0,25 h14 + 0,1 0 nom.Tol. 0 0,1 0,1 0,25max. 050 MJ50,8-4H6H 7 13 7
22、 5,2 1,8 + 0,1 0 6,5 9,5 2,4 8,5 2,7 060 MJ61-4H5H 8 14 8 6,2 7,5 10,5 9,5 3,35 070 MJ71-4H5H 9 16 9 7,2 2,8 8,5 11,5 3,4 10,5 4,18 080 MJ81-4H5H 10 17 10 8,2 3,2 + 0,15 0 9,5 12,5 3,9 11,5 5,4 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round
23、. 4 Designation EXAMPLE Description block NUT Identity block EN4124050 Number of this standard Thread code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on Figure 1. 6 Technical specification EN 3005