EN 3636-2008 en Aerospace series - Screws reduced pan head offset cruciform recess relieved shank long thread in heat resisting steel FEPA92HT (A286) silver plated - Classification.pdf

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1、BRITISH STANDARDBS EN 3636:2008Aerospace series Screws, reduced pan head, offset cruciform recess, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated Classification: 900 MPa/650 CICS 49.030.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53

2、g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3636:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008ISBN 978 0 580 62887 0National fo

3、rewordThis British Standard is the UK implementation of EN 3636:2008.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 p

4、ublication does not purport to 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 STANDARD NORME EUR

5、OPENNE EUROPISCHE NORM EN 3636 April 2008 ICS 49.030.20 English Version Aerospace series - Screws, reduced pan head, offset cruciform recess, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated - Classification: 900 MPa/650 CSrie arospatiale - Vis tte cylindrique, rd

6、uite, empreinte cruciforme dporte, tige rduite, filetage long, en acier rsistant chaud FE-PA92HT (A286), argentes - Classification: 900 MPa/650 C Luft- und Raumfahrt - Flachkopfschrauben mit geripptem Flgelkreuzschlitz, Dnnschaft, langes Gewinde, aus hochwarmfestem Stahl FE-PA92HT (A286), versilbert

7、 - Klasse: 900 MPa/650 C This European Standard was approved by CEN on 21 December 2007. 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 without any alteration. Up-to-date lis

8、ts and bibliographical references concerning such national standards may be obtained on application to the CEN 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 res

9、ponsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,

10、Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: ru

11、e de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3636:2008: E2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 4 Designation 7 5 Marking .7 6 Technical s

12、pecification .7 BS EN 3636:20083 Foreword This document (EN 3636:2008) 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

13、approval of the National Associations and the Official Services of the 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

14、conflicting national standards shall be withdrawn at the latest by October 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. Accor

15、ding to the CEN/CENELEC Internal Regulations, the national standards organizations 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, Latvi

16、a, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3636:20084 1 Scope This standard specifies the requirements for offset cruciform recess pan head screws with relieved shank and long thread in

17、 heat resisting steel FE-PA92HT, silver plated, tensile strength class 900 MPa at room temperature. The maximum test temperature of the material is 650 C. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the

18、edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads. ISO 5855-1, Aerospace MJ threads Part 1: General requirements. ISO 5855-2, Aerospace MJ thre

19、ads Part 2: Limit dimensions for bolts and nuts. ISO 14275, Aerospace Drives, internal, offset cruciform, ribbed Metric series. ISO 14277, Aerospace Drivers, ribbed, for internal offset cruciform ribbed or unribbed drives Metric series. ISO 14278, Aerospace Gauges, for internal offset cruciform ribb

20、ed or unribbed drives Metric series. EN 2398, Aerospace series Heat resisting steel FE-PA2601 (X6NiCrTiMoV26-15) Rm 900 MPa Bars for machined bolts D 25 mm. 1)EN 2399, Heat resisting steel FE-PA92-HT Rm 900 MPa Bars for forged bolts D 25 mm Aerospace series. 1)EN 2424, Aerospace series Marking of ae

21、rospace products. EN 2786, Aerospace series Electrolytic silver plating of fasteners. 2)EN 3043, Aerospace series Fasteners, externally threaded, in heat resisting steel FE-PA92HT (A286) Classification: 900 MPa/650 C Manufacturing method optional Technical specification. 2)3 Required characteristics

22、 3.1 Configuration Dimensions Tolerances Configuration: see Figure 1. Dimensions and tolerances: see Figure 1 and Tables 1 and 2, dimensions in millimetres. 3.2 Material Heat resisting steel FE-PA92HT: see EN 2398 or EN 2399. 1) Published as ASD Standard at the date of publication of this standard.

23、2) Published as ASD Prestandard at the date of publication of this standard. BS EN 3636:20085 3.3 Surface coating Silver coat all over: see EN 2786, coating thickness 3 m to 6 m on the thread flanks, measured at the pitch diameter. Break sharp edges 0,1 to 0,4 Key 1 In conformity with ISO 3353-1 5 R

24、ecess in conformity with ISO 14275, ISO 14277, ISO 14278 2 on flank 6 Thread 3 Marking 7 0,2 to 0,5 4 Manufacturer monogram 8 0 to 5 Figure 1 Configuration Table 1 Dimensions B F K Q R T Z Diameter code Thread a min. max. min. max. min. max. min. max. min. max. min. Recess number to ISO 14275ISO 142

25、77ISO 14278 030 MJ 3 0,5 - 4h6h 4,7 6 5,7 1,8 1,6 2,3 1,8 0,4 0,2 1,2 0,3 0,11 R3 040 MJ 4 0,7 - 4h6h 5,7 7 6,7 2,1 1,9 3,1 2,6 0,4 0,2 1,4 0,4 0,14 R3,5 050 MJ 5 0,8 - 4h6h 6,7 8 7,7 2,4 2,2 3 4 0,5 0,3 1,6 0,4 0,14 R4 aAccording to ISO 5855-1, Parts 1 and 2; rolled 3,2, 0,8 0,8Rolled BS EN 3636:20

26、086 Table 2 Dimensional codes, lengths Diameter code 030 040 050 W W W Length a code N 0,3 max. min. max. min. max. min. 004 4 1,40 1,15 006 6 1,40 1,15 1,80 1,45 008 8 1,40 1,15 1,80 1,45 2,10 1,70 010 10 1,40 1,15 1,80 1,45 2,10 1,70 012 12 1,40 1,15 1,80 1,45 2,10 1,70 014 14 1,40 1,15 1,80 1,45

27、2,10 1,70 016 16 4 2,50 1,80 1,45 2,10 1,70 018 18 6 4,50 4 2,50 2,10 1,70 020 20 8 6,50 6 4,50 4 2,50 022 22 10 8,50 8 6,50 6 4,50 024 24 12 10,50 10 8,50 8 6,50 026 26 14 12,50 12 10,50 10 8,50 028 28 16 14,50 14 12,50 12 10,50 030 30 18 16,50 16 14,50 14 12,50 032 32 20 18,50 18 16,50 16 14,50 03

28、4 34 22 20,50 20 18,50 18 16,50 036 36 24 22,50 22 20,50 20 18,50 038 38 26 24,50 24 22,50 22 20,50 040 40 28 26,50 26 24,50 24 22,50 042 42 30 28,50 28 26,50 26 24,50 044 44 30 28,50 28 26,50 046 46 32 30,50 30 28,50 048 48 34 32,50 32 30,50 050 50 36 34,50 34 32,50 052 52 38 36,50 36 34,50 054 54

29、40 38,50 38 36,50 056 56 42 40,50 40 38,50 058 58 42 40,50 060 60 44 42,50 062 62 46 44,50 064 64 48 46,50 066 66 50 48,50 068 68 52 50,50 070 70 54 52,50 aThe preferred length range lies within the bold lines. If greater lengths are necessary they shall be chosen in steps of 2 mm for lengths L less

30、 than 100 mm and in multiples of 4 above 100 mm. The length code corresponds to the length L in millimetres completed by zeros to the left, where necessary to obtain a 3 digit code. BS EN 3636:20087 4 Designation Each screw shall only be designated as in the following example. EXAMPLE Description bl

31、ock SCREW REDUCED PAN Identity block EN 3636-030-010 Number of EN standard Diameter code (see Table 1) Length code (see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking Each screw shall be marked in the position shown on the f

32、igure in accordance with the styles shown in Table 3 as defined by EN 2424. Table 3 Marking styles Diameter code Marking style 030 - 040 F 050 L 6 Technical specification See EN 3043. BS EN 3636:2008BS EN 3636:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the indep

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