07-30165636-DC.pdf

a Date: 2 May 2007 Origin: European Latest date for receipt of comments: 31 August 2007 Project no.: 2006/00305 Responsible committee: ACE/61 Metallic materials for aerospace purposes Interested committees: Title: BS EN 4636 - 2nd DPC enq Aerospace series - Screw, 100° countersunk head, six lobes recess, short thread, in titanium alloy TI-P64001, with aluminium pigmented coating - Classification:1100MPa (at ambient temperature 315°C) Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 August 2007. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. 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Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http:/www.bsi-global.com. Direct tel: 020 8996 7792 Responsible Committee Secretary: Mrs Sara Ansari (BSI) E-mail: sara.ansaribsi-global.com Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 7.0 DPC: 07/30165636 DC Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on European discussions in which the UK has taken an active part. Your comments on this draft are welcome and will assist in the preparation of the consequent British Standard. If no comments are received to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is particularly welcome on national, legislative or similar deviations that may be necessary. Even if this draft standard is not approved by the UK, if it receives the necessary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standard and to withdraw any conflicting standard. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft® Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these format requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at: http:/www.bsi-global.com/en/Standards-and-Publications/Current-work/DPCs/ Template for comments and secretariat observations Date: xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Secretariat observations on each comment submitted 3.1 Definition 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 Edition 2007-04 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel +32 2 775 8110 - fax +32 2 7758111 - www.aecma-stan.org ICS: 49. Descriptors: ENGLISH VERSION Aerospace series Screws, 100 ° countersunk head, six lobes recess, short thread, in titanium alloy TI-P64001, with aluminium pigmented coating Classification : 1 100 MPa (at ambient temperature)/315°C Luft- und Raumfahrt 100 ° Senkschrauben, kurzes Gewinde, Sechs-Bogenzahn,aus Titanlegierung TI-P64001, mit aluminium pigmentierter Beschichtung Klasse: 1 100 MPa (bei Raumtemperatur)/315°C Série aérospatiale Vis, 100 ° à tête fraisée, à filetage court, à empreinte six lobes,en alliage de titane TI- P64001, avec revêtement alumino- organique Classification : 1 100 MPa (à température ambiante)/315°C Mechanical Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 (E) 2 Foreword This document (prEN 4636:2007) has been prepared by Technical Committee CEN/TC “”, the secretariat of which is held by . This document is currently submitted to the CEN Enquiry. Blank page Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 (E) 3 Contents Page 1 Scope4 2 Normative references4 3 Required characteristics.4 3.1 Configuration Dimensions Tolerances Masses4 3.2 Materials.4 3.3 Surface treatment4 3.4 Tolerances of form and position5 4 Designation8 5 Marking.8 6 Technical specification.8 Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 (E) 4 1 Scope This standard specifies the characteristics of screws with 100° countersunk head, with six lobes recess, short thread, in titanium alloy TI-P64001, for aerospace applications. 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 referenced document (including any amendments) applies. ISO 3353-1, Aerospace Lead and runout threads Part 1: Rolled external threads ISO 3353-2, Aerospace Lead and runout threads Part 2: Internal threads ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 7913, Aerospace - Bolts and screws, metric - Tolerances of form and positionEN 2424, Aerospace series Marking of aerospace products ISO 9152, Aerospace - Bolts, with MJ threads, in titanium alloys, strength class 1 100 MPa - Procurement specification EN 2424, Aerospace series - Marking of aerospace products EN 3813, Aerospace series - Titanium alloy TI-P64001 - Annealed - Bar and wire for forged fasteners - De « 25 mm EN 3911, Aerospace series - Six lobe recess - Geometrical definition EN 4473, Aerospace series - Aluminium pigmented coatings - Technical specification EN 9100, Aerospace series - Quality management systems - Requirements (based on ISO 9001:2000) and Quality systems - Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994) EN 9133, Aerospace series - Quality management systems - Qualification Procedure for aerospace standard parts 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1 Dimensions and tolerances are in millimetres Aerospace series - Aluminium pigmented coatings - Technical specificationMaterials EN 3813 3.2 Surface treatment EN 4473 Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 (E) 5 3.3 Tolerances of form and position ISO 7913 Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 6 Key 1 Not concave 2 Pitch diameter 3 Thread 4 Conforms to ISO 3353-1 5 the rounded angle accepted 6 Marking 7 Six lobe recess conforms to EN 3911 prEN 4636:2007 (E) Break sharp edges 0,1 to 0,4. Values in micrometers apply prior to surface treatment. Figure 1 Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 (E) 7 Table 1 Thread (a) D ØE G H K L1 (+-0,2) L2 F Q R P V Recess Code (b) Code Designation h12 min. ref. ref.min. Length code min. 0 / - 0,08 nom.Tol. max. min.nom. Tol. mm 030 MJ3x0,5-4h6h 3 5,6 4,50 1,30,06 003 à 0303 6 0,63 2,3 0 0,8 0 EN3911-09 040 MJ4x0,7-4h6h 4 7,5 5,78 1,70,08 003 à 0403 7,5 0,93 2,9 -0,5 0,4 0,2 1 0,1 0,13 EN3911-15 050 MJ5x0,8-4h6h 5 9,5 7,71 2,10,1 004 à 0504 9 0,96 3,8 1,1 0 EN3911-20 060 MJ6x1-4h6h 6 11,5 9,00 2,60,1 005 à 0605 10 1,26 4,5 +0,5 0,5 0,3 1,5 0,2 EN3911-27 080 MJ8x1-4h6h 8 15,4 12,213,40,1 006 à 0806 11,5 1,60 6,2 -0,5 0,7 0,5 2 0 +0,3 EN3911-40 100 MJ10x1,25-4h6h 10 19,3 15,434,20,1 008 à 1008 14,5 1,93 7,9 0,7 0,5 2,3 0 EN3911-45 120 MJ12x1,25-4h6h 12 23 18,005 0,1 010 à 10010 16 2,53 9,9 0,8 0,6 2,8 0,5 0,25 EN3911-50 (a) Conforms to ISO 5855-2 (b) see EN 3911 Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI prEN 4636:2007 (E)EN 4636:2007 (E) 8 8 4 Designation 4 Designation EXAMPLE : EXAMPLE : Description blockDescription blockIdentity block Identity block SCREWEN4636-040003 Number of this standard Diameter code (see Table 1) Length code (see Table1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking See Table 2 and Figure 1. Table 2 Diameter code EN 2424 Style 030 to 050 F 060 to 120 C + MJ 6 Technical specification ISO 9152, with the following modifications: 6.1 Approval of manufacturers EN 9100 6.2 Qualification of bolts EN 9133 6.3 Requirement deleted Double shear strength Licensed Copy: London South Bank University, London South Bank University, Wed May 16 04:11:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI