1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 30 June 2003 prEN 4610 Edition P 1 June 2003 Comments should be sent within six months after the date of publication to Mechanical Domain AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Pipe coupling 830 in titanium
2、 alloy Elbows 45, with thrust wire nut Srie arospatiale Systme de raccordement 830 en alliage de titane Raccords couds 45, avec crou jonc Luft- und Raumfahrt Rohrverschraubung 830 aus Titanlegierung Winkelverschraubungen 45, mit Mutter mit Schubdraht This “Aerospace Series“ frestandard has been draw
3、n up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the pub
4、lication 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 review by users and formal agreement of AECMA-STAN, it will be submitted as a draft
5、 European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national sta
6、ndards conflicting with the EN. Page 2 prEN 4610:2003 Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Mechanical Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA-STANS General Process Manual, this standar
7、d has received approval for Publication. Page 3 prEN 461 0:2003 1 Scope This standard specifies the characteristics of elbows 45, with thrust wire nut, for pipe couplings 830, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 O00 kPa Temperature range: - 55 C to 135 C 2 Norma
8、tive references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of a
9、ny of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies (including amendments). IS0 5855-3, Aerospace - MJ threads - Patt 3: Limit dimensions for fiffings for flu
10、id systems. EN 2424, Aerospace series - Marking of aerospace products. EN 2491, Aerospace series - Molybdenum disulphide dry lubricants - Coating methods. EN 3264, Aerospace series - Pipe coupling 830 in titanium alloy - Thrust wire nuts. EN 3273, Aerospace series - Pipe coupling 830 in titanium all
11、oy - Dynamic beam seal end for elbows, tees and crosses - Geometric configuration. EN 3274, Aerospace series - Pipe coupling 830- Thread ends - Geometric configuration. EN 3275, Aerospace series - Pipe coupling 830 up to 28 O00 kPa - Dynamic beam seal - Metric series - Technical specification. EN 33
12、1 1, Aerospace series - Titanium alloy TI-P64001- Annealed - Bar for machining - D I 150 mm.l) EN 3312, Aerospace series - Titanium alloy TI-P64001- Grade 2 - Annealed - Forgings -De I 150 mm.l) EN 3314, Aerospace series - Titanium alloy TI-P64001 - Solution treated and aged - Bar for machining - D1
13、75mm.l) EN 3315, Aerospace series - Titanium alloy TI-P64001- Solution treated and aged - Forgings -De I 75 mrn.l) EN 4032, Aerospace series - Pipe coupling 830 in titanium alloy - Thrust wires. 3 Required characteristics 3.1 Configuration - Dimensions - Mass According to figure 1 and table 1. The v
14、alues apply before lubricating. Dimensions not specified are at the manufacturers option provided that the qualification and acceptance require- ments of EN 3275, type II are met. 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4610:2003 3.2 Surface roughnes
15、s According to figure 1, unless otherwise specified in the design documentation. 3.3 Materials According to EN 331 1 or EN 3314, EN 3312 or EN 3315. 3.4 Surface treatment Lubrication: according to EN 2491, on threads, sealing faces, and contact area between thrust wire and coupling. Prior to applica
16、tion of the lubricant, the surface shall be abrasive blasted using non-metallic gnt. Film thickness 0,005 mm to 0,013 mm. 3.5 Internal surface finishing Finishing shall give a radius R of 0,3 to 1 ,O mm and a surface roughness of 0,8 pm, Hand deburring is not permit- ted. Dimensions in millimetres N
17、ut according to EN 3264 Thrust wire according to EN 4032 Area for marking Across flats sz According to EN 3274, form C Thread 1 e According to EN 3273 Thread 2 9 Across flats SI Fully inserted i R0,3to 1,o Figure 1 Page 5 prEN 4610:2003 Table 1 Dimensions in millimetres Codea db 4969 P 4H5H 11e f 0,
18、2 14 O 0,2 ee r O 0,l SI h13 52g hl 3 Mass glpiece max. 12 f 0,2 05 MJ10 x 1 MJlOx 1 16,3 14 8 10,85 24,8 19 27,7 21 32,6 24 333 25 36,2 27 37,l 28 38,9 30 41,l 32 44,l 35 46,l 37 49,l 40 52,l 43 53,9 45 9 06 08 10 17,8 20,8 21,8 73 9,4 9,3 16 18 21 1529 19,56 24,51 MJ12 x 1,25 MJ14 x 1,5 MJ16 x 1,5
19、 MJ12 x 1,25 MJ14 x 1,5 MJ16 x 1,5 11 13 12 MJ18 x 1,5 MJ18 x 1,5 23,8 10,5 22 15 30,94 14 MJ20 x 1,5 MJ20 x 13 23,8 10,4 24 16 37,17 16 MJ22 x 1,5 MJ22 x 1,5 25,8 10,2 27 18 50,09 18 MJ24 x 1,5 MJ24 x 1,5 27,8 10,9 32 30 21 64,59 20 MJ27 x 1,5 MJ27 x 13 27,8 10,9 4,7 32 24 7739 27 30 34 22 25 28 30
20、,8 32,8 34,8 10,8 10,8 10,8 4,3 4,6 5,3 36 41 46 9593 130,50 159,72 MJ30 x 1,5 MJ33 x 1,5 MJ36 x 1,5 MJ30 x 1,5 MJ33 x 1,5 MJ36 x 1,5 32 MJ39 x 1,5 MJ39 x 1,5 36,4 10,6 50 36 177,37 a Corresponds to the pipe nominal outside diameter. According to IS0 5855-3. Only applicable diameter h to EN 3273 is
21、smaller than the actual forging diameter. Differences between these diameters are acceptable. Thread 1 e Drill depth dimension = 11 + e or 13 + e Thread 2 Across flats Page 6 prEN 4610:2003 4 Designation EXAMPLE Description block Identity block 5 Marking According to EN 2424, style A and figure 1. Number of this standard 6 Technical specification According to EN 3275, type II.
