1、- _ _- CEN PREN*2929 92 m 3404589 003L398 906 m Edition approved for publication 1992-08-31 A. E. C. M. A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM Comments should be sent within six months C8 Chairman Mr WILLIAMS after the date of publication decision A.E.C.M.A Technopolis - 175, rue Jean-Jacques
2、 Rousseau 921 38 Issy-les-Moulineaux Cdex - FRANCE _. prEN 2929 Issue P 2 August 1992 DITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175. rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex T1 (1 147 36 98 76 UDC : Supersedes Issue P 1 May 1986 Key w
3、ords ENGLISH VERSION Aerospace series Bolts with double hexagon head, relieved shank, long thread, in heat resisting nickel base alloy NI-PI O1 HT (Waspaloy) Classification : I 210 MPa / 735 OC Srie arospatiale Luft- und Raumfahrt Vis tte bihexagonale, Zwlfkantschrauben, tige rduite, filetage long,
4、en alliage rsistant chaud base de nickel NI-PI O1 HT (Waspaloy) Classification : 1 21 O MPa / 735 OC Dnnschaft, langes Gewinde, aus hochwarmfestem Nickelbasislegierung NI-PIO1 HT (Waspaloy) Klasse : 1 210 MPa / 735 OC This .Aerospace Series pre-standard has been drawn up under the responsibility of
5、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 Commission following comment by the Member countries. Subsequent to the publication of this pre-stand
6、ard, 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) and formal agreement of the Official Services of the Me
7、mber countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) foi final vote. - - CEN PREN*2929 92 E 3404589 0033399 842 prEN 2929 Page 3 1 Scope and field of application This standard specifies the characteristics of double hexagon headed bolts wit
8、h relieved shank and long thread in NI-PI O1 HT for aerospace applications. Classification : 1 21 O MPa ) / 735 OC 2, 2 References IS0 3353, Aerospace construction - Rolled threads - Runout and lead threads IS0 4095, IS0 5855-2, Aerospace - MJ threads - Part 2 : Limit dimensions for bolts and nuts F
9、asteners for aerospace construction - Bi-hexagonal wrenching configuration EN 2424, Aerospace series - Identification marking of standard fasteners 3, EN 2582, Aerospace series - Bolts in heat resisting nickel base alloy NI-PI O1 HT (Waspaloy) - Classification : 1 210 MPa / 735 OC - Technical specif
10、ication 4, EN 2959, Aerospace series - Heat resisting nickel base alloy (NI-PI O1 HT) - Solution treated and cold worked - Bar for hot upset forging for fasteners - 3 S D 5 30 mm 4, 3 Required characteristics 3.1 See figure 1 and tables 1 and 2. Dimensions and tolerances are in millimetres. 3.2 Mate
11、rial EN 2959 Configuration - Dimensions - Tolerances - Masses Minimum tensile strength of the material at ambient temperature 2, Maximum test temperature of the parts 3, Published as AECMA standard at the date of publication of the present standard 4, Published as AECMA pre-standard at the date of p
12、ublication of the present standard Previous page is blank prEN 2929 Page 4 e(llO,O8 18 I Remove sharp edges 0,l to 0,4 -H -Thread Marking 7 I 12x q-1 Shape in this area at inanufacturers option 1) When the length of the shank is less than one times the nominal value ot the shank diameter O, the run-
13、out is measured at a distance equal to half the actual shank length. 2) For bolts having a shank length less than one times the nominal value of the shank diameter D, and for those threaded to head, the pitch diameter axis shall be used as the datum. Figure 1 Table 1 Thread 1) D EFGH K Q RI S 21 T U
14、 v XYZ 050 MJ5x0.8-4h6h 4.48 9.1 8.3 6.8 1 5.U5 5.02 3.4 0,5 0.3 7 2 2.9 2.5 3,7 3.2 0.12 0.13 mili. max. min. max. min. Coda Designation * 0.13 max. min. min. niin. max. min. * 0.5 max. min. 0.15 060 MJGxl-4h6h 5.35 10.6 9.8 7.8 1.2 6,15 5.52 4.2 8 2.3 3.2 2.8 4.6 4.1 0,003 0.18 010 J71-4h6h 6.35 1
15、2.1 11.3 8.8 1.4 6.68 5.92 5.2 0.7 0.5 9 2.6 3.7 3.3 5.4 4.9 0.15 10 2.8 4.1 5.7 5.2 0.2 3.7 2:z- hlJ8x1-4hGh 7.35 13.u 12.8 9,8 1.6 7.18 6,42 6.2 li10 M.Il0x1.25-4tifih 9.19 16.7. 15.7 11.8 2 e 8.18 7.42 7.9 0.8 0.25 lLO,MJ121,25-4ti6h 11.19 19.9 18.8 13.7 2.4 9.38 8.62 9.8 0.9 14 3.5 6 5.6 8.5 B 0
16、.18 0.3 11 In acccrdance with IS0 5855-2 LI tihex;. loiid wrenching configiirarion in conformiry with IS0 4095 over length T min. _ - -. 0.612 3.1 5,1 4.7 7.2 6.7 0.0025 - - - CEN PREN*2923 92 = 3404587 003L40L 220 prEN 2929 Page 5 al o U 0 B e 2 v) v), 2- e E .- 3 - X E 2- v) v), c E i .- 3 - z g-
17、VI v), c E i .- 3 - E 2- v) v), c E 3 i E .- - I) prEN 2929 Page 6 CEN PRENx2929 92 3404589 0033403 OT3 = prEN 2929 Page 7 4 Designation Example : Description block I Identity block Number of this standard Thread code (see table 1) Length code (see table 2) Note : If necessary, the originator code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style A, as indicated on the figure 1 6 Technical specification EN 2582
