1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace series - Inserts, screw thread, helical coil, self-locking, in corrosion resisting steel FE-PA3004BS EN 2944:2018Incorporating corrigendum July 2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2944 Apr
2、il 2018 ICS 49.030.30 Supersedes EN 2944:1998English Version Aerospace series - Inserts, screw thread, helical coil, self-locking, in corrosion resisting steel FE-PA3004 Srie arospatiale - Filets rapports, freinage interne, en acier rsistant la corrosion FE-PA3004 Luft- und Raumfahrt - Draht-Gewinde
3、einstze, selbstsichernd aus korrosionsbestndigem Stahl FE-PA3004 This European Standard was approved by CEN on 8 February 2018. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard
4、 without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any o
5、ther language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republi
6、c, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUR
7、OPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2018 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2944:2018 E
8、National forewordThis British Standard is the UK implementation of EN 2944:2018. It supersdedes BS EN 2944:1998, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on th
9、is committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 539 01939 1ICS
10、 49.030.30Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2018.Amendments/corrigenda issued since publicationDate Text affected31 July 2018 Implementati
11、on of CEN correction notice 9 May 2018: Scope and key of Figure 1 amendedBRITISH STANDARDBS EN 2944:2018EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2944 April 2018 ICS 49.030.30 Supersedes EN 2944:1998English Version Aerospace series - Inserts, screw thread, helical coil, self-locking, in c
12、orrosion resisting steel FE-PA3004 Srie arospatiale - Filets rapports, freinage interne, en acier rsistant la corrosion FE-PA3004 Luft- und Raumfahrt - Draht-Gewindeeinstze, selbstsichernd aus korrosionsbestndigem Stahl FE-PA3004 This European Standard was approved by CEN on 8 February 2018. CEN mem
13、bers are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on applicat
14、ion to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Manage
15、ment Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
16、 Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de
17、 la Science 23, B-1040 Brussels 2018 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2944:2018 EBS EN 2944:2018EN 2944:2018 (E) 2 Contents Page European foreword . 3 Introduction 4 1 Scope 5 2 Normative references 5 3 Required char
18、acteristics 5 3.1 Configuration Dimensions Tolerances Masses . 5 3.2 Material . 5 3.3 Material identification 5 4 Designation 9 5 Marking . 9 6 Technical specification 9 BS EN 2944:2018EN 2944:2018 (E) 3 European foreword This document (EN 2944:2018) has been prepared by the Aerospace and Defence In
19、dustries 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 member countries of ASD, prior to its presentation
20、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 2018, and conflicting national standards shall be withdrawn at the latest by October 2018. Attention is drawn to the possibility tha
21、t some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 2944:1998. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the followin
22、g countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norw
23、ay, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2944:2018EN 2944:2018 (E) 4 Introduction For design and assembly procedures see EN 3044 and EN 2945. BS EN 2944:2018EN 2944:2018 (E) 5 1 Scope This document specifies the chara
24、cteristics of inserts, self-locking, helical coil, tanged insertion drive, screw thread in FE-PA3004, for aerospace applications. Maximum test temperature: 350 C. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes re
25、quirements 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 2943, Aerospace series Inserts, screw thread, helica
26、l coil, self-locking Technical specification EN 2945, Aerospace series Inserts, screw thread, helical coil, self-locking Assembly procedure EN 2947, Aerospace series Steel FE-PA3004 (X10CrNi18-09) Air melted Non heat treated Cold drawn wire a or D 2,3 mm EN 3044, Aerospace series Installation holes
27、for inserts, screw thread, helical coil, self-locking Design 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 Table 1 and Table 2. Dimensions and tolerances are in millimet
28、ers. 3.2 Material See EN 2947. 3.3 Material identification Colour: blue. No chlorine-based constituents permitted in the colour identification product. BS EN 2944:2018EN 2944:2018 (E) 6 Key a form out-of-round in this area to achieve the self-locking requirements (tool marks permissible) b tang c nu
29、mber of coils d marking e lead-in face of installation hole f installation BS EN 2944:2018EN 2944:2018 (E) 7 g see detail Y h min. profile i max. profile j R1 min, tangential to flanks k straight portion of flank l locking feature shall be at least in the zone Y max. X min. It shall take place on at
30、 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. m the number of coils is counted from the notch. n length of installed thread L1 up to the notch. p length of fitted insert to notch.
31、q dimensions after coiling, corresponding to an insert fitted in an installation hole to EN 3044. r section A-A is perpendicular to the helical axis. Figure 1 Layout drawing, dimensions destined for design depts. Details of form not stated are left to the manufacturers discretion. BS EN 2944:2018EN2
32、944:2018(E)8Table1DimensionsDiametercodeThreada(Associatedscrew)ABmin.BmaxCmaxCminEmaxEminFHmaxHminJPPR1SUUVAAmin.max.max. minmax.min.min.min.max.min.max.max.min.040MJ4null0,70,1635,055,600,7580,6830,6120,510,350,4550,44455,64,93,552,50,1260,2191,671,020,450,340,31050MJ5null0,80,2096,256,800,8660,77
33、50,70,5980,40,520,50856,86,14,553,151,1440,252,091,410,60,370,34060MJ6null10,2677,407,951,0830,9750,8750,7480,50,650,6377,957,254,853,70,180,3122,551,650,50,45070MJ7null18,659,209,28,45,54,33,12,090,75080MJ8null19,7010,25109,26,54,753,882,27100MJ10null1,250,41512,1012,651,3531,2511,0940,9670,6250,81
34、20,79912,311,585,50,2260,3914,772,860,60,55aInaccordancewithISO5855-2.Table2Dimensions,numberofturns,massDiametercodeThreadaa (Associatedscrew)LL1 +0,250NumberofturnsQnull0,25MassXb min.Ybkg/1000pieces1,5 D2 D2,5 D1,5 D2 D2,5 D1,5 D2 D2,5 D1,5 D2 D2,5 D1,5 D2 D2,5 D1,5 D2 D2,5 D040MJ4null0,768105,47
35、7,479,476,18,611,10,82,53,14,80,220,310,39050MJ5null0,87,51012,56,909,4011,906,99,612,41,33,83,73,96,36,30,40,550,7060MJ6null1912158,2511,2514,256,89,512,12,25,10,720,991,26070MJ7null110,51417,59,7513,2516,75811,114,11,25,95,50,991,361,73080MJ8null112162011,2515,2519,259,41316,52,56,81,321,82,28100M
36、J10null1,2515202514,2519,2524,259,513,116,83,72,573,524,46aInaccordancewithISO5855-2.bXand Ydimensionsapplyafterinstallationofthethreadinsert.BS EN 2944:2018EN 2944:2018 (E) 9 4 Designation EXAMPLE NOTE lf necessary, the code I9005 shall be placed between the description block and the identity block
37、. 5 Marking See EN 2424: style G; additionally style F permitted, as indicated on Figure 1. 6 Technical specification See EN 2943. BS EN 2944:2018This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, informatio
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