1、_. AECMA PREN2574 BB LOL231L 0007429 9 m. Approved by COMITE DE NORMALISATION of A.E.C.M.A. 1988-10-17 - The equivalent versions inFrench and German languages can be supplied by B.N.A.E, 8, rue Moreau-Vauthier 92100 BOULOGNE-BILLANCOURT - FRANCE A. E.C. M .A. STAN DARD NOR ME A. E.C. M.A. A.E.C.M.A.
2、 NORM prEN 2574 Edition 1 October I988 DITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AEROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 UDC : 621.791 .O53 : 744.4 : 629.7 Key words : Aircraft industry, welded joints, technical drawings, information, specifications. EN
3、GLISH VERSION Aerospace series Welds Information on drawings Srie arospatiale Soudures Informations sur les dessins Luft- und Raumfahrt Sc h weipn hte Angaben in Zeichnungen This .Aerospace series standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs d
4、e Matriel Arospatial). It is published on yellow paper in three equivalent versions English, French, German). It will be submitted as a draft European Standard to CEN (European Committee for Standardization) for final vote. -. -. aecma 1988 P - - I l AECMA PREN2574 88 L0123Ll 0007430 5 prEN 2574 Pag
5、e 3 O Introduction O In aerospace construction it is necessary to define requirements additional to IS0 2553 for welding. 1 Scope and field of application This standard specifies the indications to be shown on drawings or other docu- ments dealing with welding of metallic materials in aerospace indu
6、stries. 2 References IS0 2553-1984 Welds - Symbolic representation on drawings IS0 4063-1978 Welding, brazing, braze welding and soldering of metals - List of processes, for symbolic representation on drawings 3 Indications on drawings 3.1 Symbolic representation Conform to IS0 2553. This standard s
7、hall be called up either on the drawing or other documents. - - 3.2 Other indications Drawing of welded assemblies shall give, either directly, or by reference to other documents, all the necessary instructions : - for defining precisely the requirements for preparation and for carrying out of the w
8、eld, - for acceptance of the welds by the appropriate authorities. This information includes : o - location of the weld and (if necessary) the spacing or pitch, - the welding process as per IS0 4063 or by reference to a document defining the process or processes, - the dimensions of the weld, - part
9、s after welding, - - classification of the weld (in accordance with the regulations in force), - indication of type of welding rod9 if any (unless covered by the welding process), - the designation of the materials of the parts to be assembled (in accor- dance with existing rules), - heat treatment after welding, indication of the minimum physical properties of the weld and/or the welded the preparation of the edges (unless covered by the welding process), - acceptance test procedure for welds. O Previous page 0700XSD0488 is blank
