BS EN 4493-2008 Aerospace series - Inserts screw thread helical coil self-locking in heat resisting nickel base alloy NI-PH1801 (NIP96HT Nimonic 90) silver plated《航空航天系列 镀银NI-PH180.pdf

1、BRITISH STANDARDBS EN 4493:2008Aerospace series Inserts, screw thread, helical coil, self-locking, in heat resisting nickel base alloy NI-PH1801 (NI-P96HT, Nimonic 90), silver platedICS 49.030.10g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g3

2、8g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4493:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008ISBN 978 0 580 60987 9National forewordThis British Standard is

3、the UK implementation of EN 4493:2008.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to

4、include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4493Apri

5、l 2008ICS 49.030.10English VersionAerospace series - Inserts, screw thread, helical coil, self-locking, in heat resisting nickel base alloy NI-PH1801 (NI-P96HT, Nimonic 90), silver platedSrie arospatiale - Filets rapports, freinage interne, enalliage rsistant chaud base de nickel NI-PH1801 (NI-P96HT

6、, Nimonic 90), argentsLuft- und Raumfahrt - Draht-Gewindeeinstze,selbstsichernd, aus hochwarmfester NickelbasislegierungNI-PH1801 (NI-P96HT, Nimonic 90), versilbertThis European Standard was approved by CEN on 29 February 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations

7、 which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European

8、Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national s

9、tandards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United K

10、ingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4493:2008: E2 Conten

11、ts Page Foreword3 Introduction .4 1 Scope 4 2 Normative references 4 3 Required characteristics.4 3.1 Configuration Dimensions Tolerances Masses.4 3.2 Material .5 3.3 Surface treatment 5 4 Designation 8 5 Marking .8 6 Technical specification .8 BS EN 4493:20083 Foreword This document (EN 4493:2008)

12、has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the

13、member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 2008, and conflicting national standards shall be withdrawn at the latest by Octo

14、ber 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards or

15、ganizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

16、 Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4493:20084 Introduction For design and assembly procedures see EN 3044 and EN 2945. 1 Scope This standard specifies the characteristics of self-locking, helical coil, screw thread inserts in NI-PH1801 (NI-P96HT),

17、silver plated, for aerospace applications. Maximum test temperature: 550 C. 2 Normative references The following referenced 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 refere

18、nced document (including any amendments) applies. EN 2400, Heat resisting nickel base alloy NI-P96HT Cold drawn and precipitation treated Wires D 10 mm Aerospace series. 1)EN 2424, Aerospace series Marking of aerospace products. EN 2786, Aerospace series Electrolytic silver plating of fasteners. EN

19、2943, Aerospace series Inserts, screw thread, helical coil, self-locking Technical specification. EN 2945, Aerospace series Inserts, screw thread, helical coil, self-locking Assembly procedure. EN 3044, Aerospace series Installation holes for inserts, screw thread, helical coil, self-locking Design

20、standard. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Tables 1 and 2. Dimensions and tolerances are in millimetres. They apply after silver plating. 1) Published as ASD Standar

21、d at the date of publication of this standard. BS EN 4493:20085 3.2 Material EN 2400 3.3 Surface treatment EN 2786 Thickness: 2 m to 5 m Values apply before silver plating Ra1,6 Ra0,8 BS EN 4493:20086 (continued) Details of form not stated are left to the manufacturers discretion. Key 1 Tang 2 Form-

22、out-of round in this area to achieve the self-locking requirements (tool marks permissible). 3 Marking 4 Number of coils 5 Lead in face of installation hole 6 A min. (see detail W) 7 min. profile 8 max. profile 9 R1min. tangential to flanks 10 Straight portion of flank aLocking feature shall be in t

23、he zone Y max. X min. It shall take place on at least two coils separated by a plain coil, except in the case of inserts of diameters 4, 5 and 6 and a nominal length of 1,25 D where the plain coil may be omitted. bThe number of coils is counted from the notch. cLength of fitted insert to notch. dThe

24、 notch shall be on the upper face of the first coil behind the tangent point of the tang radius. eThe nominal length L is a reference. It is equal to the basic length of the thread insert. fDimensions after coiling, corresponding to an insert fitted in an installation hole to EN 3044. gSection K-K i

25、s perpendicular to the helical axis. Figure 1 (concluded) BS EN 4493:20087 Table 1 A B C E F H Diameter code Threada(Associated bolt) min. + 0,550 max. min. max. min. max. min. 040 MJ4 0,7 0,163 5,05 0,758 0,683 0,612 0,51 0,35 0,455 0,4445 050 MJ5 0,8 0,209 6,25 0,866 0,775 0,7 0,598 0,4 0,52 0,508

26、5 060 MJ6 1 7,4 070 MJ7 1 8,65 080 MJ8 1 0,267 9,7 1,083 0,975 0,875 0,748 0,5 0,65 0,637 100 MJ10 1,25 0,415 12,1 1,353 1,251 1,094 0,967 0,625 0,812 0,799 J PR1S U V AA Diameter code max. min. max. min. min. min. max. min. max. max. min. 040 5,6 4,9 3,55 2,5 0,126 0,219 1,67 1,02 0,45 0,34 0,31 05

27、0 6,8 6,1 4,55 3,15 1,144 0,25 2,09 1,41 0,37 0,34 060 7,95 7,25 4,85 3,7 2,55 1,65 0,6 070 9,2 8,4 5,5 4,3 3,1 2,09 080 10 9,2 6,5 4,75 0,18 0,312 3,88 2,27 0,5 0,45 100 12,3 11,5 8 5,5 0,226 0,391 4,77 2,86 0,75 0,6 0,55 aIn accordance with ISO 5855-2. Table 2 L L1X bnom. + 0,25 0 min. Diameter co

28、de Thread a(Associated bolt) 1,25 D 1,5 D 2 D 1,25 D 1,5 D 2 D 1,25 D 1,5 D 2 D 040 MJ4 0,7 5 6 8 4,47 5,47 7,47 1,5 1,5 1,6 050 MJ5 0,8 6,3 7,5 10 5,65 6,9 9,4 2 2 2,4 060 MJ6 1 7,5 9 12 6,75 8,25 11,25 2,3 2,3 2,5 070 MJ7 1 8,8 10,5 14 8 9,75 13,25 2,5 2,5 3 080 MJ8 1 10 12 16 9,25 11,25 15,25 3 3

29、 4 100 MJ10 1,25 12,5 15 20 11,56 14,06 19,06 3,5 3,5 4,7 Y bQ Mass max. Number of coils 0,25 kg/1 000 pieces Diameter code 1,25 D 1,5 D 2 D 1,25 D 1,5 D 2 D 1,25 D 1,5 D 2 D 040 3 3,7 5,7 4,9 6,1 8,6 0,19 0,23 0,31 050 3,8 4,2 6,8 5,5 6,9 9,6 0,34 0,42 0,55 060 4,5 5,5 8,5 5,4 6,8 9,5 0,61 0,75 0,9

30、9 070 5,5 6,5 10 6,5 8 11,1 0,84 1,03 1,36 080 7 7 11 7,5 9,4 13 1,12 1,38 1,8 100 9 9 14 7,6 9,5 13,1 2,19 2,68 3,52 aIn accordance with ISO 5855-2. bX and Y dimensions apply after installation of the thread insert. BS EN 4493:20088 4 Designation EXAMPLE Description block THREAD INSERT Identity blo

31、ck EN4493-070088 Number of this standard Diameter code (see Table 1) Length L (in millimetres multiplied by 10, see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424 style G; additionally style F permitted, as indicated

32、 on Figure 1. 6 Technical specification EN 2943 BS EN 4493:2008blankBS EN 4493:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the interna

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