1、STD*AECMA PREN 2857-ENGL 1777 m 1012311 001b310 2b7 Edition amroved AECMA STANDARD NORME AECMA AECMA NORM The equivalent versions in French and German languages prEN 2859 Edition I July 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel.
2、 (32) 2 775 81 10 - Fax. (32) 2 775 81 11 ICs: 49.030.20 Will supersede EN 2859 Edition June 1995 Descriptors: aircraft industry, aircraft equipment, screw, hexagonal head screw, alloy steel, cadmium, screw thread, specification, characteristic, dimension, mass, dimensional tolerance, surface treatm
3、ent, designation, marking ENGLISH VERSION Aerospace series Bolts, normal hexagonal head, close tolerance normal shank, short thread, in alloy steel, cadmium plated Classification: 1 100 MPa (at ambient temperature) I 235 “C Srie arospatiale Vis tte hexagonale normale, ft normal tolrance serre, filet
4、age court, en acier alli, cadrnies Classification : 1 100 MPa ( temprature ambiante) I235 “C Luft- und Raumfahrt Sechskant-PaBschrauben, kurzes Gewinde, aus legiertem Stahl, verkadmet Klasse: 1 I00 MPa (bei Raumtemperatur) I 235 “C This “Aerospace series“ Standard has been drawn up under the respons
5、ibility of AECMA (The European Association of Aerospace Industries). It is published on yellow paper in three equivalent versions (English, French, German). It will be submiited as a draft European Standard to CEN (European Committee for Standardization) for formal vote. - can be supplied by B.N.A.E
6、. - Technopolis 54 - 199, rue Jean-Jacques Rousseau I 92138 ISSY - LES - MOULINEAUX CEDEX - FRANCE for pubi c O In al In O 3 P c O m L .- .+8 E P c O .- L - m E z a- rn Y O r- O u) In m al ). .- n 5 STD-AECMA PREN 2859-ENGL 1999 LOL2311 OOLb31b 787 Page 8 prEN 2859: 1999 Holes Lockwire 4 Designation
7、 EXAMPLE: Description block Identity block EN259D08006OB 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) Code H NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. Sp
8、lit pin Lockwire and split pin Table 2 D C 030 and 040 050 to 200 N C+MJ 5 Marking See table 3 and figure I, indented. Table 3 Diameter code I EN 2424 Style 6 Tech nical specification IS0 7689, with the following modifications: 6.1 Approval of manufacturers EN 2000 6.2 Qualification of bolts EN 3042 6.3 Requirement deleted - Cold rolling; - Double shear strength; - Tension fatigue strength; - Head to shank fillet work effect. 7 Oversized bolts EN 4016
