1、A.E.C.M.A. STANDARD prEN 3614 NORM E A. E.C. M .A. A.E.C.M.A. NORM February 1990 issue P 1. Edition approved for publication EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TEL. 4543-82-85 Comments should be sent within six months C
2、8 Chairman after the date of publication decision UDC : Key words : ENGLISH VERSION Aerospace series Bolts, normal hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated Classification : 900 MPa/650 OC Srie arospatiale Luft- und Raumfahrt Vis tte hexagonal
3、e normale, ft dgag, filetage long, en acier rsistant chaud FE-PA92HT (A286), argentes Classification : 900 MPa/650 OC Sechskantschrauben, Dnnschaft, langes Gewinde, aus hochwarmfestem Stahl FE-PA92HT (A286). versilbert Klasse : 900 MPa/650 OC This derospace Series pre-standard has been drawn up unde
4、r the responsibility of AECMA (Association Europenne des Constructeurs de Ma frie1 Arospatial). It is published on green paper for the needs ofAECMA-Members. It has been technically approved by the experts of the concerned Commission following comment by the Member countries. Subsequent to the publi
5、cation of this pre-standard 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 signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Offi
6、cial Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. 28th February 1990 A.E.C.M.A. 88, Bd. Malesherbes 75008 PARIS - FRANCE Mr. WILLIAMS I aecma 1990 1 Scope and field of application This standard spec
7、ifies the characteristics of silver plated bolts normal hexagon head with relieved shank and long thread in heat resisting steel FE-PA9ZHT (A286), in the tensile strength class 900 MPa at room temperature, maximum test temperature of the material 65OoC. 2 References IS0 3353 Aerospace construction -
8、 Rolled threads-Runout and lead threads IS0 585512 Aerospace construction - MJ Threads - Part 2 : Limit dimensions for bolts and nuts EN 2399 Heat resisting steel FE-PA92HT-RM or = 900 MPa - Bars for forged bolts, D or = 25 mm - Aerospace series 1) EN 2424 Aerospace series - Identification marking o
9、f standard fasteners 1) EN 2576 Aerospace series - Bolts in heat resisting steel FE-PA92HT (A286) - Classification : 900 MPa/65O0C - Technical specification 2) EN 2786 Aerospace series - Electrolytic silver plating of metals except titanium, aluminium and their alloys 3) 3 Required characteristics 3
10、.1 Configuration : See figure. Dimensions and tolerances : See figure and table land 7.e - dimensions in millimetres - values apply after silver plating 3.2 Surface roughness See figure. Values apply before silver plating. 3.3 Material Heat resisting steel FE-PA92HT (A286) : See EN 2399. 3.4 Surface
11、 coating Silver coat all over : See EN 2786, Category A, coating thickness 3 to 6 pm on the thread flanks measured at the pitch diameter. Configuration - Dimensions - Tolerances 1) Published as AECMA standard at the date of publication of the present standard. 2) Published as AECMA pre-standard at t
12、he date of publication of the present standard. 3) In preparation at the date of publication of the present standard, Surface roughness measured prior to coating Break sharp edges 0,l to 0,4 Shape in this area at manufacturers, op Figure 6 places 7 Identity marking Table 1 K max. I min. 4,O 1) Accor
13、ding to IS0 5855 part Table 1 (Concluded) Dia R S I Code Length code -_- Available lengths Diameter codes N 050 060 070 080 2 0,3 W I w I w .I W 1 2,5 4,s 9,96 14,10 10,46 4 2,s 14,77 6,5 8,5 10,97 6 4,s l5,45 11,47 8 6,5 16,12 036 038 040- 042 36 20 38 22 40 24 42 26 20,s 22,s 24,5 26,5 6,41 20 18,
14、s 9,66 18 6,66 22 20,5 10,02 20 6,91 24 22,s 10,38 22 7,16 26 24,s 10,73 24 16,s 18,s 20,5 22,5 24,s 26,s 13,47 16 14,5 18,81 13,98 18 16,5 19,48 14,48 20 18,5 20,15 14,98 22 20,s 20,82 15,48 24 22,5 21,50 15,98 26 24,s 22,17 28,5 30,5 7,41 28 26,5 11,09 26 7,66 30 28,s ll,45 28 AECMA PREN3h14 90 LO
15、!3Ll 000hJ2b 8 m- prEN 3614 Page 5 Table 2 Masses : kg/iOOO pieces I lk Mass Mas 8 Min Max. Min. Ma. =-=- / 2,91 4,68 r 297 3,91 024 I I 1 4,s I 4,41 I 4 I 2,5 I 6,82 6,s 4,66 6 4,s f,17 4 I 026 I 26 I 10 7,88 1 12,s 1 1526 1 -1, 8,60 1 16,5 6,91 14,5 8,95 18,5 6,16 18 16,s 9,31. 16 10,5 1 11,97 1 1
16、, I 8:; I 16,79 I 12,s 12,47 17,46 14,s 12,97 14 12,s 18,13 o44 44 28 050 50 I 34 32,5 I 7,91 I 32 I 30,s 11,80 I 30 28,s I 16,48 I 28 I 26,s I 22,84 1 I 052 52 I 36 - 34,s 1 8,16- I -34 I 32,s I 12,16 I 32 30,s 16,99 30 28,s 23,5L 32,s 17,49 32 30,s 24,18 36,5 I 8,41 I 36 I 34,s I 12,51 1. 34 38,s
17、8,66 38 36,5 12,87 36 40,s 8,90 40 38,5 13,23 38 34,s 17,99 34 32,s 24,86 36,s 18,49 36 34,5 25,53 058 42 38,5 I 18,99 I 38 I 36,5 I 26,20 I I* 066 50,2 10,15 50 48,5 15,Ol 48 52,5 10,40 52 50,s 15,36 50 - 48 46,s 29,56 AECMA PREN3614 90 m 10L2311 0006127 T m prEN 3614 Page 6 Table 2 (Concluded) Mas
18、ses : kg/1000 pieces Available lengths Diameter codes 060 i i 070 080 LEJ= Length code t“ Max Mass Min.- Mass Min. - q 16 $43 072 074 72 74 076 76 I 54,s I23,Ol 56,5 32,92 078 O80 56,5 23,51 58,5 24,Ol 08 2 gfz 25,52 17 50 17,86 084 086 yz 27,02 68,s 36,96 088 O90 O9 2 E- 72,5 I27,52 094 096 38 , 30
19、 098 100 78 76,5 39,64 82 80,s 40,99 104 86 I 84,5 I42,33 108 112 90 I 88,5 143,68 116 120 120 128 124 128 132 Gj 140 136 140 144 148 152 156 160 164 168 152 I 156 I 160 164 168 04 Designation Each screw shall only be designated as in the following example : Identity block 1 Description block Bolt :
20、EN3614-060-030 i-rr I Number of EN standard Diameter code (See table 1) Length code (See table 2) Note : If necessary the originator code I9005 may be introduced between the description block and identity block. 5 Marking Each bolt shall be marked as defined by EN 2424 Category A in the place 0 indicated in figure. 6 Technical specification See EN 2576.
