1、CEN PREN*4L32 94 3404589 0062688 3TL Edition approved for publication 1994-03-14 AECMA STANDARD NORIOIE AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE prEN 4732 E
2、dition P 1 March 1994 EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques hsseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Bolts, normal hexagonal head, coarse tolerance n
3、ormal shank, long thread, in alloy steel, cadmium plated Classification : I 100 MPa (at ambient temperature) I 235 OC Srie arospatiale Vis tte hexagonale normale, tige normale tolrance large, filetage long, en acier alli, cadmies Classification : 1 100 MPa ( temprature ambiante) I 235 OC Luft- und R
4、aumfahrt Sechskantschrauben, langes Gewinde, aus legiertem Stahl, verkadmet Klasse : 1 100 MPa (bei Raumtemperatur) I235 OC This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on gree
5、n paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee follo wing comment by the Member countries. Subsequent to the publication of this prestandard, the technical content shall not be changed to an extent that interchangeability
6、is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre INPSI and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Com
7、mittee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX C 3 Chairman Mr. Arena aecrna 199 CEN PRENx4L32 94 3404589 0062b89 238 = Page 3 prEN 41 32 : 1994 1 Scope This standard sp
8、ecifies the characteristics of bolts, normal hexagonal head, coarse tolerance normal shank, long thread, in alloy steel, cadmium plated. Classification : 1 1 O0 MPa ) / 235 OC 2, 2 Normative references IS0 3353 IS0 5855-2 IS0 7689 IS0 7913 EN 2000 EN 2133 EN 2137 EN 2424 EN 2442 EN 3042 TR 3775 Aero
9、space - Rolled threads for bolts - Lead and runout requirements Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts Aerospace - Alloy steel bolts with strength classification 1 100 MPa and MJ threads - Procurement specification Aerospace - Fasteners - Tolerances of form and positio
10、n for bolts and screws Aerospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturers Cadmium plating of steels with maximum specified tensile strength equal to or less than 1 450 MPa and copper and copper alloys - Aerospace series 3, Steel FE-PL75 - 1
11、 100 MPa I R, I 1 250 MPa - Bars De I 100 mm - Aerospace series 3) Aerospace series - Marking of aerospace products 3, Steel FE-PL711 - 1 100 MPa I R, I 1 300 MPa - Bars and wires De SS 25 mm - Aerospace series 3, Aerospace series - Quality assurance - EN aerospace products - Qualification procedure
12、 Aerospace series - Bolts and pins - National materials 4, 1) Minimum tensile strength of the material at ambient temperature 2) Maximum temperature that the bolt can withstand without continuous change in its original characteristics, after return to ambient temperature. The maximum temperature is
13、determined by the surface treatment. 3) Published as AECMA Standard at the date of publication of this standard 4) Published as AECMA Technical Report at the date of publication of this standard Previous page is blank CEN PRENx4132 94 = 3404589 0062690 T5T m Page 4 prEN 41 32 : 1994 3 Required chara
14、cteristics 3.1 Configuration - Dimensions - Masses See figure 1 and table 1. Dimensions and tolerances are expressed in millimetres and apply after surface treatment. 3.2 IS0 7913 3.3 Materials EN 2137, EN 2442 Tolerances of form and position or TR 3775 (alloy steel, classification 1 100 MPa) 3.4 Su
15、rface treatment EN 2133, 8 firn to 14 pm on all surfaces which can be contacted by a 20 mm diameter ball. On ali other surfaces, a continuous cadmium plating shall be present, but no value is specified. Black colour option : code B CEN PRENa4332 94 3404587 0062693 776 Page 5 prEN 41 32 : 1994 I- - *
16、 I 3 I b- o/ 4 C E CI m E c, W o 5 v) Li e ! L a c iz ul O Q) O v) U v) .- CI L .- CEN PRENu4132 94 3404589 O062692 822 Page 6 prEN 41 32 : 1994 CEN PRENbY132 99 3404589 0062693 769 W I I I I I I I I I I 1-1-1 I I III1II1III I 1 I a- i Page 7 prEN 41 32 : 1994 CEN PREN*4132 94 = 3404587 O062694 bT5
17、Diameter code 030and 040 Page 8 prEN 41 32 : 1994 EN 2424 Style N 4 Designation EXAMPLE : 050 to 120 140to 200 Description block Identity block EN42H05004OB Number of this standard Hole code (see table 2) Diameter code (see table 1) Length code (see table 1) Black colour code (see 3.4) B A NOTE : If
18、 necessary, the code 19005 shall be placed between the description block and the identity block. Table 2 I I i Holes 5 Marking See table 3 and figure 1. Table 3 6 Technical specification IS0 7689, except for clauses : - Approval of manufacturers : see EN 2000 ; - Qualification of bolts : see EN 3042.
