1、BRITISH STANDARD AEROSPACE SERIES BS EN 4424:2006 Rod-ends, adjustable, single fork and threaded shank with engagement: 1,5 thread diameter in titanium alloys Dimensions and loads The European Standard EN 4424:2006 has the status of a British Standard ICS 49.035 BS EN 4424:2006 This British Standard
2、 was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006 ISBN 0 580 48437 8 National foreword This British Standard is the official English language version of EN 4424:2006. The UK participation in its preparation was entrusted to Technical Committee
3、 ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related interna
4、tional and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found i
5、n the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsi
6、ble for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this d
7、ocument indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN4424 June2006 ICS49.035 EnglishVersion AerospaceseriesRodends,adjustable,singleforkand threadedshankwithengagement:1,5threaddiameterin titan
8、iumalloysDimensionsandloads SriearospatialeEmboutsrglableschapesimpleet tigefileteimplantation:1,5diamtrefiletageen alliagesdetitaneDimensionsetcharges LuftundRaumfahrtEinstellbareGabelkpfe,einfach,mit GewindeschaftmitEinschraubtiefe1,5 GewindedurchmesserausTitanlegierungenMaeund Belastungen ThisEur
9、opeanStandardwasapprovedbyCENon20April2006. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtaine
10、donapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions.
11、CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Romania, Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPE
12、ANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2006CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN4424:2006:EEN 4424:2006 2 Contents Page Foreword3 1 Scope 4 2 No
13、rmative references 4 3 Required characteristics.4 4 Designation 6 5 Marking .7 6 Technical specification .7 EN 4424:2006 3 Foreword This European Standard (EN 4424:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes
14、 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 AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, e
15、ither by publication of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN
16、 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 organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Den
17、mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. 4 1 Scope This standard specifies the characteristics of rod
18、-ends for flight control rods. a single fork; a threaded shank comprising; a circumferential groove to identify engagement; an optional longitudinal groove for locking purpose. These rod-ends are intended for use with control rods or rods for aircraft structures. 2 Normative references The following
19、 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 referenced document (including any amendments) applies. ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled e
20、xternal threads. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. EN 2601, Aerospace series Fork ends, adjustable Technical specification. EN 3315, Aerospace series Titanium alloy TI-P64001 Solution treated and aged Forgings D e 75 mm. 1)EN 3353 2) , Aerospace series Tit
21、anium alloy TI-P63 Solution treated and aged R m 1100 MPa Bar and wire for fasteners machined D e 25 mm. 1)EN 3813, Aerospace series Titanium alloy TI-P64001 Annealed Bar and wire for forged fasteners D e 25 mm.1)TR 3775, Aerospace series Bolts and pins Materials. 3)3 Required characteristics 3.1 Di
22、mensions Masses Configuration shall correspond with Figure 1. The dimensions and masses shall conform with values quoted in Table 1. 3.2 Surface roughness According to Figure 1. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Inactive for new design, see EN 3813. 3)
23、 Published as AECMA Technical Report at the date of publication of this standard. EN 4424:20065 3.3 Material Titanium alloy according to EN 3315 or EN 3353 or TR 3775 R m 830 MPa on the whole rod-end. aThread bIn complete thread according to ISO 3353 cMarking dGroove diameter d 3min according to ISO
24、 5855-2 NOTE The circumferential groove and the longitudinal groove over distance F shall be painted red. Figure 1 EN 4424:20066 Table 1 Dimensions in millimetres Fork d 1r 1d 2d 3l 1l 2l 3l 4l 5r 2Code Nominal diameter J7 + 0,2 0 0,25 0,25 + 0,1 0 + 0,2 0 0,25 0,1 + 1 0 06 6 12,2 13 19,2 14 20,2 30
25、 24 0,5 08 8 13,9 15 21,5 15 22,2 36 30 2 10 10 17,8 17 27,0 20 28,2 41 34 0,8 3 Shank Rod-end Threadadesignation d 3l 6 bl 7l 8l 9l 10l 11r 3Ultimate load 0 0,25 min. + 1 0 + 0,1 0 0 0,1 0 1 max. kN Mass g MJ101,254h6h 23 39 8,0 33 40 31 MJ121,254h6h 27 44 2,4 10,2 38 0,8 58 46 MJ141,5 4h6h 4 31 50
26、 3,2 12,2 40 44 1,0 83 75 aAccording to ISO 5855-2; manufacturing method: rolled. bl 6is also the minimum length of engaged thread; it includes thickness of lock washers and height of nut. 4 Designation Each tab washer shall only be designated as in the following example: EXAMPLE Description block R
27、OD-END Identity block EN4424L08K Number of EN standard Code for thread direction (see Table 2) Diameter code (see Table 1) Code for longitudinal groove (see Table 2) EN 4424:20067 Table 2 Codes for thread direction and longitudinal groove Left hand thread L Right hand thread R With longitudinal groo
28、ve K Without longitudinal groove T NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking In addition to the manufacturers own marking, each rod-end and its packaging shall be marked according to Figure 1, using the identity block as defined
29、 in Clause 4 of this standard. The marking shall be indelible and shall not impair the characteristics of the rod-end. 6 Technical specification According to EN 2601. EN 4424:2006BS EN 4424:2006 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent nationa
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