1、CEN PREN*3868 94 m 3404589 O062338 023 = Edition approved for publication 1994-05-31 AECMA STANDARD NORME 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 3868
2、 Edition P1 May 1994 DITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Pipe couplings, loose flanges and seals Flange conn
3、ectors, welded, in titanium alloy TLP64001 Srie arospatiale Luft- und Raumfahrt Rohrverbindungen mit losen Flanschen und Flachdichtungen Schweistutzen aus Titanlegierung TbP64001 Raccords, brides amovibles et joints Raccords souder en alliage de titane TI-P64001 This “Aerospace Series“ Prestandard h
4、as been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member coun
5、tries. Subsequent to the publication of this prestandard, 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 signature of the AECMA Standard Checking Centre (NPS) an
6、d formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee 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-M
7、OULINEAUX CEDEX C8 Chairman M. Williams aecma 1994 CEN PREN838b8 74 = 3404587 0062337 TbT = Page 3 prEN 3868 : 1994 1 Scope This standard specifies the characteristics of welded flanged connectors in titanium alloy TI-P64001 for aerospace applications. NOTE : Assembly in accordance with TR 4053 O O
8、2 Normative references IS0 286-2 EN 2000 EN 2424 EN 2530 EN 2656 TR 4053 IS0 system of limit and fits - Part 2 : Tables of standard tolerance grades and limit deviations for holes and shafts Aerospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturer
9、s Aerospace series - Marking of aerospace products 1) Titanium alloy - Annealed - 900 I R, S 1160 MPa - Bars De I 150 mm - Aerospace series 1) Aerospace series - Pipe couplings up to 56000 kPa - Fitting end, welded - Geometrical configuration 2) Aerospace series - Pipe couplings, loose flanges and s
10、eals, in titanium alloy - Assembly recommendations 3) 3 Required characteristics 3.1 See figure 1 and table 1. Dimensions and tolerances are in millimetres. Configuration - Dimensions - Tolerances - Masses 3.2 Material EN 2530 Previous page is blank 1) Published as AECMA Standard at the date of publ
11、ication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard 3) Published as AECMA Technical Report at the date of publication of this standard CEN PREN+3868 94 W 3404589 O062340 i81 Page 4 prEN 3868 : 1994 e Remove sharp edges 0,l to 0,4 Y Mark i ng e X Y 1
12、 R 0.3 to 0,s U 8 1 I I/ I Ml Figure 1 CEN PREN538b8 94 3404589 0062341 bL8 UV +0,1 O0 12,l 14.1 16,l 18,l 20,l 22,l 25,l 28,l 32,l 40,l +0,1 12,9 13,l - 14,9 15,l - 16,9 17,l - 18,9 19,l 20.9 21,l 22,9 23,l - - - 26,l 29,l 33,l 41,l 12.9 - 14,9 - 16,9 18,9 - 20,9 - 22,9 25,9 - 28,9 - 32,9 - 40,9 2,
13、3 2,8 3,3 2201 O0 1 20 2501 O0 1 23 4001 O0 1 38 I I Page 5 prEN 3868 : 1994 Table -I- min. I0,E Dimensional I Tube IA1)I B I C I D G : 0,; M o, 1 O N -0,l O P o, 1 O code Nominal diameter O - 0,l O - 0,l - 14,2 - 16,2 O - 0,3 Thickness hl O - 21,l - 23.1 max. 10,8 10,4 - 120060 0,6* 120080 19,4 - 2
14、1,4 20.5 - 22,5 - 24,5 12 - 14 - 16 12 1 10 12,8 - 1201 O0 140060 0,6 0,8* 12,4 12 - O. 8 140080 14 I5,2 1.6 1401 O0 I* “II 14,4 19,2 24,4 - 14 1601 O0 I* 180060 O, 6 180080 18 03 1801 O0 I* 200060 0,6* 200080 20 0,8 16,8 16,4 - 28,l - 30,l 26,5 - 28,5 30.5 18 16 18,8 18,4 - - - 157 o, 9 20 - 22 - 2
15、5 33,s 2 1 36,E - 40, E - 48,E 28 - 32 - 40 16,; 3201 O0 32 1+-142,1 H35,2140,4 40 10.81 50, I 43.2 148,4 400080 1 CEN PRENs3868 94 m 3404589 0062342 554 m Page 6 prEN 3868 : 1994 4 Designation EXAMPLE : Description block Identity block FLANGE CONNECTOR, WELDED Number of this standard Dimensional code (see table 1) NOTE : If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Identification marking EN 2424, category A, as indicated on figure 1. 6 Quality assurance EN 2000
