1、STD=AECMA PREN 4509-ENGL 2999 301i2333 0036564 2TL m Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM C3 Chairman Comments should be sent within six months after the date of publication to prEN 4509 Edition P I September 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE I
2、NDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.030.20 Descriptors: aircraft industry, aircraft equipment, screw, countersunk head screw, cross recess screw, titanium alloy, screw thread, specification, characteristic, dimension, mass, dim
3、ensional tolerance, surface treatment, designation, marking ENGLISH VERSION Aerospace series Screws, 100“ countersunk normal head, offset cruciform recess, threaded to head, in titanium alloy, anodized, with aluminium pigmented coating Classification: 1 100 MPa (at ambient temperature) / 315 OC Srie
4、 arospatiale Vis tte fraise 100“ normale, empreinte cruciforme dporte, filetes jusqu proximit de la tte, en alliage de titane, anodises, avec revtement al um i n o-org an iq ue Classification : 1 I00 MPa ( temprature ambiante) / 315 “C Luft- und Raumfahrt 100“ Senkschrauben, mit Flgelkreuzschlitz, G
5、ewinde annhernd bis Kopf, aus Titanlegierung, anodisiert, mit Aluminium pigmenttete Beschichtung Klasse: I 100 MPa (bei Raumtemperatur) I315 “C This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). It is published
6、on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeab
7、ility is affected, physically or functionally, wifhouf re-identification of the standard. Affer examination and signature of the AECMA Standard Checking Cenfre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draff European Standard to CEN (Europe
8、an Committee for Standardization) for formal vote. 1999-09-30 AECMA Gulledelle 94 Mr Visconti 8-1200 BRUXELLES aecma 1999 STD-AECMA PREN 4509-ENGL 1999 H LO12311 0016565 138 H Page 3 prEN 4509: 1999 1 Scope This standard specifies the characteristics of screws, 100“ countersunk normal head, offset c
9、ruciform recess, threaded to head, in titanium alloy, anodized, with aluminium pigmented coating. Classification: 1 1 O0 MPa / 31 5 “C *) 2 Normative references IS0 3353 IS0 5855-2 IS0 7913 IS0 7994 IS0 91 52 EN 2000 EN 2424 EN 3042 EN 4474 MIL-L-871328 TR 3775 Aerospace - Rolled threads for bolts -
10、 Lead and runout requirements Aerospace - MJ threads - Part 2: Limit dimensions for bolts and nuts Aerospace - Bolts and screws, metric - Tolerances of form and position Aerospace - Internal drive, offset cruciform recess (Torq-Set 8) for rotary fastening devices - Metric series Aerospace - Bolts, w
11、ith MJ threads, in titanium alloys, strength class 1 100 MPa - Procurement specification Aerospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturers Aerospace series - Marking of aerospace products Aerospace series - Quality assurance - EN aerospace
12、 products - Qualification procedure Aerospace series - Aluminium pigmented coating - Coating methods 3, Lubricant, Cetyl Alcohol, 1-Hexadecanol, Application to Fasteners 4, Aerospace series - Bolts and pins - National materials 5, 1) Minimum tensile strength of the material at ambient temperature 2)
13、 Maximum 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 coating. 3) Published as AECMA Prestandard at the date of publication of this standard 4) Published by: Depar
14、tment of Defense (DoD), the Pentagon, Washington, D.C.20301, USA 5) Published as AECMA Technical Report at the date of publication of this standard Previous page is blank 3 Required characteristics 3.1 See figure 1 and table 1. Dimensions and tolerances are expressed in millimetres and apply after c
15、oating. Details of form not stated are left to the manufacturers discretion. Configuration - Dimensions - Masses 3.2 Tolerances of form and position IS0 7913 3.3 Materials TR 3775 (titanium alloy, strength class 1 100 MPa) 3.4 Surface treatments EN 4474 Lubrication with cetylic alcohol (chlorine fre
16、e) according to MIL-L-87132 STDaAECMA PREN 4509-ENGL L999 1012311 OOLb5L7 TOO W Page 5 prEN 4509: 1999 0- Y N) ; m m oo O- I- U STD=AECMA PREN 4509-ENGL 1999 LO32333 0036568 947 1111 Page 6 prEN 4509: 1999 u- # m- Ea - O l- u:- E f X .c E - z a“- $ C a“ I om Z? O0 cc 7 0- IIIII m. O +I a, O u) a, N
17、5 L z o a, S O o U ai a, c - E 8 4- 5 m c a, O u) U c O Q u) O o a, U O 0 rn S ai a, - I 5 - ir E ui u C 2 o C Q) O m a, m S u) 3 .- o 5 .- - s S O u) a, u) O 3 a I- O m e ._ c E s s P s 8 .- L 2- m Y in * O u) u) m 33 a, I- O L .- 5 A E E Q- O N Cu K O U U nr - .- c .- STD=AECMA PREN 4509-ENGL I999
18、 W 10123121 0036569 883 B Drive 4 Designation EXAMPLE: Code Description block I Identity block 030 and 040 Page 7 prEN 4509: 1999 N Diameter code (see table I) Length code (see table 1) Drive code (see table 2) 050 to 120 NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. C+MJ I IS0 7994 I R i 5 Marking See table 3 and figure 1, indented. Table 3 Diameter code I EN 2424 Style 6 Technical specification IS0 9152, except for clauses: - Approval of manufacturers: see EN 2000; - Qualification of screws: see EN 3042.
