1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4072 Edition P 3 June 2014 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 775 8131 - www.asd-stan.orgICS: Supersedes edition P 2 of Nove
2、mber 1999 and will supersede EN 4072:2009 Descriptors: Aircraft industry, aircraft equipment, screw, countersunk head screw, cross recess screw, titanium alloy, screw thread, specification, characteristic, dimension, mass, dimensional tolerance, surface treatment, designation, marking ENGLISH VERSIO
3、N Aerospace series Screws, 100 countersunk head, offset cruciform recess, close tolerance normal shank, short thread, in titanium alloy, aluminium IVD coated Classification: 1 100 MPa (at ambient temperature) / 425 CSrie arospatiale Vis tte fraise 100 normale, empreinte cruciforme dporte, ft tolranc
4、e serre, filetage court, en alliage de titane, revtues aluminium IVD Classification : 1 100 MPa ( temprature ambiante) / 425 CLuft- und Raumfahrt 100 Senkschrauben, mit Flgelkreuzschlitz, kurzes Gewinde, aus Titanlegierung, Aluminium IVD beschichtet Klasse : 1 100 Mpa (bei Raumtemperatur) / 425 CThi
5、s “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned D
6、omain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agr
7、eement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a na
8、tional standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 1stJune 2014 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2014 by ASD-STAN prEN 4072:2014 (E) 2 Contents Page Forewor
9、d 2 1 Scope 3 2 Normative references 3 3 Required characteristics . 4 4 Designation 7 5 Marking . 7 6 Technical specification . 8 7 Oversized bolts 8 Annex A (informative) Standard evolution form . 9 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Doma
10、in. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4072:2014 (E) 3 1 Scope This standard specifies the characteristics of screws, 100 countersunk head, offset crucif
11、orm recess, close tolerance normal shank, short thread, in titanium alloy, aluminium IVD coated. Classification: 1 100 MPa 1) / 425 C 2). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For da
12、ted 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 4016, Aerospace series Oversized bolts 3) EN 6118, Aerospace series Process specificati
13、on Aluminium base protection for fasteners 3) EN 9100, Aerospace series Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 3353-1, Aerospace Lead and runou
14、t threads Part 1: Rolled external threads ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 5856, Aerospace Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic materi
15、al, coated or uncoated, strength classes less than or equal to 1 100 MPa Dimensions ISO 7913, Aerospace Bolts and screws, metric Tolerances of form and position ISO 9152, Aerospace Bolts, with MJ threads, in titanium alloys, strength class 1 100 MPa Procurement specification ISO 14275, Aerospace Dri
16、ves, internal, offset cruciform, ribbed Metric series ISO 14276, Aerospace Drives, internal, offset cruciform Metric series TR 3775, Aerospace series Bolts and pins Materials 4) MIL-DTL-83488, Coating, aluminum, high purity 5) 1) Minimum tensile strength of the material at ambient temperature. 2) Ma
17、ximum temperature that the screw can withstand without continuous change in its original characteristics, after return to ambient temperature. The maximum temperature is determined by the surface treatment. 3) Publie comme Prnorme ASD-STAN la date de publication de la prsente norme. http:/www.asd-st
18、an.org/ 4) Published as ASD-STAN Technical Report at the date of publication of this standard. http:/www.asd-stan.org/ 5) Published by: DoD National (US) Mil. Department of Defense http:/www.defenselink.mil/ prEN 4072:2014 (E) 4 3 Required characteristics 3.1 Configuration Dimensions Masses See Figu
19、re 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 5856, expressed in millimetres and apply after surface treatment. Details of form not stated are left to the manufacturers discretion. 3.2 Tolerances of form and position ISO 7913 3.3 Materials TR 3775: titanium alloy, strength
20、class 1 100 MPa prEN 4072:2014 (E) 5 3.4 Surface treatment MIL-DTL-83488, type II, class 3, thickness 4 m to 12 m, or EN 6118. After aluminium deposit: mechanical blasting, followed by a chromate conversion coating within 24 h max. 6); optional lubrication with cethylic alcohol (code E). Values in m
21、icrometres apply prior to surface treatment. Break sharp edges 0,1 to 0,4. Key 1 One hole diameter D6 (optional, see Table 2) 2 Thread 3 Marking 4 Blended convex form permitted 5 Drive: see Table 3. 6 Conforms to ISO 3353-1 Figure 1 6) Products used shall be in conformity with national regulation in
22、to force. Ramax 0,8 Ramax 3,2 prEN 4072:2014 (E) 6 Table 1 Diameter code Thread a D1 D2 D3 D4 D5 D6 E F nom. Tol. max. min. nom. Tol. H13 min. 0 0,08 030 MJ30,5 4h6h 3 0,006 0,031 6 5,4 4,50 2,3 0 0,5 0,06 0,63 040 MJ40,7 4h6h 4 0,010 0,035 8 7,2 5,78 3,0 1,1 0,08 0,93 050 MJ50,8 4h6h 5 10 9,0 7,71
23、3,4 0,5 1,5 0,10 0,96 060 MJ61 4h6h 6 12 10,8 9,00 4,2 1,26 070 MJ71 4h6h 7 0,013 0,038 14 12,8 10,28 5,2 1,9 1,57 080 MJ81 4h6h 8 16 14,8 12,21 6,2 1,60 100 MJ101,25 4h6h 10 20 18,8 15,43 7,9 2,4 1,93 120 MJ121,25 4h6h 12 0,016 0,041 24 22,8 18,00 9,8 2,53 140 MJ141,5 4h6h 14 28 26,8 20,57 11,5 3,0
24、 3,14 160 MJ161,5 4h6h 16 32 30,8 24,43 13,5 3,20 180 MJ181,5 4h6h 18 36 34,8 25,71 15,5 3,8 4,35 200 MJ201,5 4h6h 20 0,020 0,045 40 38,8 28,92 17,5 4,68 Diameter code G H L1 0,2 b, c L2 L3 R Mass d Length code nom. nom. Tol. e f 030 0,3 1,27 003 to 030 3 to 30 6,0 0,4 0 0,2 0,31 0,03 040 0,4 1,69 0
25、03 to 040 3 to 40 7,5 5,0 0,64 0,06 050 0,5 2,12 004 to 050 4 to 50 9,0 6,0 0,5 1,26 0,09 060 0,6 2,54 005 to 060 5 to 60 10,0 7,0 0,7 2,12 0,13 070 2,96 006 to 070 6 to 70 11,0 3,32 0,17 080 3,39 006 to 080 6 to 80 11,5 7,5 4,39 0,23 100 4,23 008 to 100 8 to 100 14,5 9,0 0,8 9,23 0,34 120 5,08 010
26、to 120 10 to 120 16,0 10,0 0,9 0 0,3 15,68 0,51 140 5,93 010 to 140 10 to 140 19,0 12,0 1,1 23,26 0,68 160 6,77 010 to 160 10 to 160 20,5 12,5 33,63 0,91 180 7,62 011 to 180 11 to 180 22,5 14,5 1,3 47,37 1,14 200 8,47 012 to 200 12 to 200 24,5 15,0 64,41 1,40 a In accordance with ISO 5855-2. Except
27、the thread major diameter “d max.“ which shall be equal to D1 min. 0,025. b Increments: - 1 for L1 30; - 2 for 30 L1 100; - 4 for L1 100. c If greater lengths are required, they shall be chosen using the above increments. The length code corresponds to the length L1, completed by one or two zeros to
28、 the left, where necessary, to obtain a three digit code. d Approximate values (kg/1 000 pieces), calculated on the basis of 4,45 kg/dm3, for information purposes only. They apply to screws without holes. e Value for head and first L4. f Increase for each additional millimetre of L4. prEN 4072:2014
29、(E) 7 4 Designation EXAMPLE Description block SCREW Identity block EN4072D050040AE Number of this standard Hole code (see Table 2) Diameter code (see Table 1) Length code (see Table 1) Drive code (see Table 3) Lubrication code (see 3.4) NOTE If necessary, the code I9005 shall be placed between the d
30、escription block and the identity block. Table 2 Hole Code with D without (hyphen) Table 3 Drive Code ISO 14276 R ISO 14275 A 5 Marking See Table 3 and Figure 1, intended. Table 4 Diameter code EN 2424 Style 030 and 040 N 050 to 200 C MJ prEN 4072:2014 (E) 8 6 Technical specification 6.1 General ISO
31、 9152, with the following modifications. Recess removal torque test following ISO 9152 except torque to be applied per Table 5 below: Table 5 Recess number Removal torque (Nm) 3 1,15 3,5 3 4 4,6 5 5,7 6 16,4 8 26 10 49 12 119 6.2 Approval of manufacturers EN 9100 6.3 Qualification of bolts EN 9133 6
32、.4 Requirement deleted Double shear strength 7 Oversized bolts EN 4016 prEN 4072:2014 (E) 9 Annex A (informative) Standard evolution form MODIFICATION REASON AND VALIDATION ISO 7994 Replaced by ISO14275 et ISO 14276 Replace MIL-C-83488C by MIL-DTL-83488 or EN 6118 Reference to EN 6118 is added as an
33、 alternative. The issue letter of MIL-DTL-83488 is removed. Roughness symbol inside and above the drawing Add to all symbols : max e.g. Ra max 3,2 Ra max 0,8 Modify symbols according to ISO 1302. Remove 1,6 above the drawing. Ra 1,6 does not exist on the drawing. Replace: Surface roughness by Tolera
34、nce form and position. 1.1 Surface roughness ISO 7913 The mentioned ISO 7913 has following title: Aerospace Bolts and screws, metric Tolerances of form and position. Add a new table subclause 6.1: Recess removal torque test following ISO 9152 except torque to be applied per table below: ISO 9152: The recess removal torque unscrewing was not adapted to this type of driver particularly for code 8-10-12. Recess number Removal torque (Nm) 3 1,15 3,5 3 4 4,6 5 5,7 6 16,4 8 26 10 49 12 119
