1、AECMA PREN2b52 87 PI LOL23LL O003797 7 ! I - . A. E.C. M .A. STANDARD prEN2652 NOR ME A. E.C. M. A, A.E.C.M.A. NORM February 1987 Issue P 1 Comments should be sent within six months after the date of publication decision A.E.C.M.A. 88, Ed. Malesherbes 75008 PARIS - FRANCE EDIT PAR LASSOCIATI.ON EURO
2、PENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 UDC : C3 Chairman Mr ARENA Key words : ENGLISH VERSION Aerospace series Screws, 1 O00 countersunk head, slotted, fully threaded, in steel cadmium plated Classification :go0 MPa/235 OC Srie arospatia
3、le Vis tte fraise 1000, fendue, entirement filetes, en acier cadmi, Classification : 900 MPa/235 OC Luft- und Raumfahrt 1 O00 Senkschrauben mit Schlitz, Gewinde annhernd bis Kopf. aus Stahl verkadmet Klasse : 900 MPa/235 OC This standard is initially published on green paper for the needs of AECMA-M
4、embers (Association Europenne des Constructeurs de Matriel Arospatial). It has been technically approved by the experts of the concerned AECMA Commission following comment by the manufacturers of the Member countries. After examination and signature of the AECMA Standard Checking Centre (NPS) and fo
5、rmal agreement of the Official Services of the Member countries it will be published in is final version on yellow paper as an AECMA Standard. Nota - Extra copies can be supplied by B.N.A.E. -8, rue Moreau-Vauthier - 92100 BOULOGNE-BILLANCOURT I I Edition approved for publication 16 February 1987 I
6、i AECMA PREN2652 87 a 1i0123 Previous page I is blank Issue P 1 3 Pane.? I Scope and field of applic This standard specifies the characteristics for screws 100 O countersunk head, slotted, fully threaded, in steel cadmium plated of tensile strength classification 900 MPa, for use in aerospace non st
7、ructural application, The cadmium plating restricts the use of those bolts to temperatures not exceeding 235 OC. 2 References IS0 3353 IS0 5855/1 IS0 5855/2 IS0 791 3 EN21 33 EN2205 EN2424 EN2438 EN2444 EN3051 , Aerospace serie aterials for bolts EN3068 , Aerospace construction - Rolled threads - Ru
8、nout and lead threads , Aerospace construction - MJ threads - Part 1 : Basic profile , Aerospace constructio I Aerospace - Fastener$ , Cadmium plating of st J threads - Part 2 : Dimensions for bolts and nuts erances of form and position for bolts and screws ith maximum specified tende strength equal
9、 to or less than 1450 MPa, and copper and copper alloys - Aerospace series Steel FE-PL 43s - 900 MPa Rm 1 1 O0 MPa - Bars De G 40 mm - Aerospace series , Identification marking of standard fasteners -.Aerospace series , Steel FE-PL 62 - 900 MPa G Rm 1 TOO MPa - Bars De 40 mm +Aerospace series , Stee
10、l FE-PL 71 1 - 900 MPa Rm G 1100 MPa - Bars and wires De 45 mm - Aerospace serie , Aerospace series - Bolts and screws with slotted heads - MJ threads - Technical specification 1 ) 3 Required characteristics 3.1 Configuration - Dim ions - Tolerances The configuration shall be in accordance with ?he
11、figure ; with the values shown i 3.2 Surface roughness See figure. The v 3.3 Materials 3 Steel : EN2205, EN2438 or EN2444. 3.4 Surface treatment Cadmium plating EN21 33,8 to 14pm on all surfaces all other surfaces a confinuous deposit shall be present, but no value is specified. ensions and toleranc
12、es 2) shall conform dmium plating. s apply before cadmiu cted by a 20 mm diameter ball. On Issue P l prEN2652 Page 4 Blended convex for permissible within envelope (F min. K min.) -1 Diam. code Figure - Configuration Table 1 - Dimensions Dimensions in millimetres 1 Thread 1) I E 2) O1 6 020 025 030
13、055 040 050 060 MJ 1,6 X 0,35 - 4h 6h MJ2 XO,4 -4h6h MJ 2,5 X 0,45 - 4h 6h MJ3 XO,5 -4h6h MJ 3,5 X 0,6 - 4h 6h MJ4 XO,7 -4h6h MJ5 XO,8 -4h6h MJ6 X1,O -4h6h Detail z 312 4,O 5,O 6,O 7,O 8,O 10,o 12,o 2,25 2,89 3,86 4,50 5,14 5,78 7,71 9,00 0,08 Diam. P Q R T code max. min. nom. tol. max. min. max. mi
14、n. 016 0,40 0,32 2,l 0,50 0,30 020 0,46 0,38 1,4 0,3 O, 1 0,55 0,35 025 0,48 0,40 1,9 O 0,70 0,50 030 0,63 0,55 2,3 -0,5 0,85 0,60 035 0,78 0,70 2,7 0,4 0,2 0,95 0,70 040 0,93 0,85 3,O 1,lO 0,80 050 0,96 0,88 3,4 0,s 0,3 1,35 1,OO 060 126 1,18 4,2 0,7 0,5 1,60 1,20 I) ln accordance with IS0 5855/1 a
15、nd 2. 2) Corresponds to maximum value. N max. min. 0,6 0,45 0,7 0,55 O,8 0,65 1 ,o 0,85 1 ,I 0,95 12 1 ,O5 13 125 13 1,65 XIY 0,16 0,20 0,25 0,30 0,35 0,40 0,50 0,60 0,08 0,IO 0,12 0,15 0,17 0,20 0,25 0,30 Q e O Table 2 - Dimensional codes, lengths and masses O1 6 020 025 Dimensions in millimetres 0
16、30 035 040 050 060 Diameter code 0,050 0,073 0,096 0,120 0,143 0,166 0,189 0,213 0,236 0,260 Length 1) Code I Ljs15 0,085 0,122 0,202 0,301 0,160 0,262 0,389 0,197 0,322 0,477 0,234 0,382 0,565 0,272 0,443 0,653 0,309 0,503 0,742 0,346 0,563 0,830 0,384 0,623 0,918 0,421 0,683 1,Ol 0,458 0,743 1,lO
17、0,496 0,803 1,18 0,533 0,863 1,27 0,923 1,36 0,984 - 1,45 1 ,O4 1,54 1,lO 1,62 ,71 004 006 008 o1 o .o1 2 O1 4 O1 6 O1 8 020 022 024 026 028 030 032 034 036 038 040 042 044 046 048 050 052 054 056 058 060 062 064 066 068 070 072 074 076 078 080 082 084 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36
18、 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 I 0,540 0,659 0,778 0,898 1 ,o2 1,14 1,26 138 1,49 1,61 1.73 1,85 1,97 2,09 2,21 2,33 2,45 2,57 2,69 2,81 2,92 3,04 0,72 0,87 1 ,O3 1 ,8 2,34 1,49 1,65 1,80 1,96 2,ll 2,27 2,42 2,58 2.73 2.87 3,04 3.20 3,35 3,51 3.66 3,82 3,97
19、4,13 4,28 4.44 - 1,44 1,69 I ,94 2,19 2,43 2,68 2,93 3,18 3,42 3,67 3,92 4,T 7 4,41 4,66 431 5,16 5,40 5,65 5,90 6,15 6,39 6,64 6,89 7,14 7,38 7,63 7,88 8,13 8,37 8,62 2,46 2,82 3,17 3,52 3,87 4,23 4,58 4,93 5.28 5,64 5,99 6,34 6,70 7,05 7,40 7,76 8,11 8,46 8,81 9,17 9,52 9,87 10,23 10,58 10,93 i 1,
20、28 1 1,64 11,99 12,34 12,70 13,05 13.40 13,76 14,11 14,46 14,81 1 5,17 Il Tfie preferredlength range lies within the boldlines, Ifgreaterlengthsare necessary, they shallbe chosen in steps of 2 mm for lengths L less than 1 O0 mm andin multiples Of4 above, The length code corresponds to the length L i
21、n millimetres completed by a zero to the left, where necessary, to obtain a 3 digit code, 1 AECMA PREN2b52 87 I 10L23hL 000380L 5 W I - Issue P 1 prEN2652 Page 6 4 Designation Each screw shall only be designated as in the following example : . Description block Identity block SCREW, CSK HEAD EN2652-
22、02001 O I Number of EN standard TT 020 = diameter code (see table 1) O1 O = Length-code (see table 2) Note ; if necessary, the originator code S9005 may be introduced between the description block and the identity block. 5 Marking Each screwshall be marked in the position shown on the figure in accordance with the style shown in table 3 as defined by EN2424. Table 3 Diameter code Style O1 6 to 035 G 040 F 050 to 060 E 6 Technical specification EN3068
