1、BRITISH STANDARD AEROSPACE SERIESBS EN 4304:2005Sleeves, tubular, for shear screws with flush head, in corrosion resisting steel, passivated, (0,25 mm wall thickness) The European Standard EN 4304:2005 has the status of a British StandardICS 49.030.99g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56
2、g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIBS EN 4304:2005This British Standard was published under the aut
3、hority of the Standards Policy and Strategy Committee on 1 February 2006 BSI 1 February 2006ISBN 0 580 47218 3National forewordThis British Standard is the official English language version of EN 4304:2005. The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospac
4、e 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 international and Europe
5、an developments and promulgate them in the UK.A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue
6、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 responsible for its correct a
7、pplication.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis 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 document indicates when th
8、e document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4304December 2005ICS 49.030.99English VersionAerospace series - Sleeves, tubular,
9、 for shear screws with flushhead, in corrosion resisting steel, passivated, (0,25 mm wallthickness)Srie arospatiale - Douilles tubulaires, pour vis decisaillement tte fraise, en acier rsistant la corrosion,passives, (paisseur de paroi 0,25 mm)Luft- und Raumfahrt - Hlsen fr Senkschrauben mitScherbean
10、spruchung, aus korrosionsbetndigem Stahl,passiviert, (Wanddicke 0,25 mm)This European Standard was approved by CEN on 26 October 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national sta
11、ndard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other la
12、nguage made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Ge
13、rmany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement
14、Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4304:2005: ELicensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEN 4304:2005 (E) 2 Contents Page Forewo
15、rd 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Required characteristics 4 5 Designation .7 6 Marking 7 7 Technical specification.7 Licensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEN 4304:2005 (E) 3 Foreword This European Standard (EN 4304:2
16、005) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-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
17、member countries of AECMA, 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 June 2006, and conflicting national standards shall be withdrawn at the latest by June
18、2006. 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 organi
19、zations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slo
20、venia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEN 4304:2005 (E) 4 1 Scope This standard specifies the characteristics and technical requirements of tubular sleeves for shear screws with flush head, which
21、may be plain or provided with a series of annular grooves, in corrosion resisting steel, passivated, with a 0,25 mm wall thickness, for maximum operating temperature 650 C, for aerospace applications. 2 Normative references The following referenced documents are indispensable for the application of
22、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 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQ
23、L) for lot-by-lot inspection. EN 2175, Aerospace series Heat resisting alloy FE-PA2602 (X4NiCrTiMoV26-15) Solution treated and precipitation treated Sheet, strip and plate 0,5 mm a 10 mm Rm 850 MPa. 1)EN 2424, Aerospace series Marking of aerospace products. EN 2516, Aerospace series Passivation of c
24、orrosion resisting steels and decontamination of nickel base alloys. 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 crack rupture in the matrial which may extend in any direction and which may be intercrystalline or transcrystalline in chara
25、cter 3.2 seam open surface defect which is the result of the extrusion of the matrial 3.3 lap surface defect caused by folding over metal fins or sharp corners and then rolling or forging them into the surface 4 Required characteristics 4.1 Configuration - Dimensions - Masses See Figure 1 and Tables
26、 1 and 2. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. 1) Published as AECMA Prestandard at the date of publication of this standard. Licensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEN 4304:2005 (E) 5 4.2 Material EN 2
27、175, received in the annealed condition and cold work during manufacture 4.3 Surface treatment EN 2516 Values in micrometres apply prior to surface treatment. Remove sharp edges 0,1 to 0,2. Key 1 Z: Number of grooves. The Pitch of groove = 2 aUnspecified dimensions: as plain form bAt manufacturers o
28、ption cForm of groove at manufacturers option Figure 1 Plain form (code “P“) Grooved form (code “G“) a3,2 0,8 Licensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEN 4304:2005 (E) 6 Table 1 D1D2D3L2L3L4L5R Z Diameter codemax. min. 0,3 max. min. 0,5 0,5 + 0,25 0,05 040
29、 3,999 3,96 6,5 4,499 4,474 1 1,12 5 5 050 4,999 4,96 7,8 5,499 5,474 1,32 5,5 060 5,999 5,96 9,7 6,499 7,4741,5 1,62 4 7 080 7,994 7,955 12,7 8,494 8,47 2 2,12 7 6 100 9,994 9,955 15,7 10,494 10,47 2,4 2,52 6 10 5 120 11,994 11,995 19,4 12,494 12,47 3 3,12 0,5 Table 2 Diameter code 040 050 060 080
30、100 120 Length Form code acode L1050,+Mass b030 3 0,075 0,080 045 4,5 0,114 0,128 0,159 0,267 0,417 060 6 0,153 0,177 0,212 0,343 0,512 0,476 075 7,5 0,193 0,225 0,266 0,419 0,606 0,589 090 9 0,232 0,274 0,319 0,496 0,701 0,702 105 10,5 0,271 0,322 0,373 0,572 0,796 0,816 120 12 0,310 0,371 0,426 0,
31、648 0,890 0,929 135 13,5 0,350 0,419 0,480 0,724 0,985 1,042 150 15 0,389 0,468 0,533 0,801 1,080 1,156 165 16,5 0,428 0,516 0,587 0,877 1,174 1,269 180 18 0,468 0,565 0,640 0,953 1,269 1,382 195 19,5 0,508 0,613 0,694 1,029 1,364 1,495 210 21 0,5547 0,662 0,747 1,106 1,459 1,608 225 22,5 0,586 0,71
32、0 0,801 1,182 1,553 1,721 240 24 0,625 0,759 0,855 1,258 1,648 1,835 P 250 25 0,651 0,791 0,891 1,309 1,711 1,910 G 250 25 0,651 0,791 0,891 1,309 1,711 1,910 aSee Figure 1. bApproximate values (kg/1 000 pieces), calculated on the basis of 7,85 kg/dm3, given for information purposes onlyLicensed Cop
33、y: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIEN 4304:2005 (E) 7 5 Designation EXAMPLE Description block SLEEVE Identity block EN4304P050045 Number of this standard Form code (see Table 2 and Figure 1) Diameter code (see Table 1) Length code (see Table 2) NOTE If necessary
34、, the code I9005 shall be placed between the description block and the identity block. 6 Marking EN 2424, style G 7 Technical specification 7.1 Manufacture The sleeves shall be formed by a drawing process from sheet or strip stock to form a one piece tubular section and head. 7.2 Surface appearance
35、The sleeves shall be free from cracks, seams and laps. Under visual examination, the sleeves may show axial flow lines in the tubular section typical of a drawn sleeve. The flow lines shall be continuous at the fillet radius. A slight visible orange peel effect is also permissible. 7.3 Sampling In c
36、onformity with ISO 2859-1, using normal or reduced inspection methods. The acceptance quality limit (AQL) is 1 %. Licensed Copy: Wang Bin, na, Mon May 08 07:02:43 BST 2006, Uncontrolled Copy, (c) BSIBS EN 4304:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the indep
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