AECMA PREN 3913-1999 Aerospace Series insert Thin Wall Self-Locking Short in Heat Resisting Nickel Base Alloy NI-PH2601 (Ni-P100HT Inconel 718) Silver Plated on Internal Thread for.pdf

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1、STD-AECMA PREN 3913-ENGL L999 Bll 1012311 001b468 TLh AECMA STANDARD NORME AECMA AECNIA NORM prEN 3913 Edition P 1 September 1999 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 I O - Fax. (+32) 2 775 81 11 ICs: 49.030.99 D

2、escriptors: aircraft industry, joining adaptor, nickel alloy, heat resistant material, characteristics, surface treatment, dimension, dimensional tolerance, designation, marking ENGLISH VERSION Aerospace series Insert, thin wall, self-locking, short, in heat resisting nickel base alloy NI-PH2601 (Ni

3、-PIOOHT, Inconel 718), silver plated on internal thread, for salvage of components Srie arospatiale Douilles filetes, paroi mince, freinage interne, courtes, en alliage rsistant chaud base de nickel Ni-PH2601 (NI-PIOOHT, Inconel 718), argentes sur filetage intrieur, pour rcupration Luft- und Raumfah

4、rt Gewindeeinstze, dnnwandig, selbstsichernd, kurz, aus hochwarmfester Nickeibasislegierung Ni-PH2601 (NI-PiOOHT, Inconel 718), Innengewinde versilbert, zur Macharbeit von Bauteiien This Aerospace Series” Prestandard has been drawn up under the responsibility of AECMA (The European Association of Ae

5、rospace Industries). 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 countries. Subsequent to the publication of this Prestandard, the technical content shall not be ch

6、anged 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 Member countries it will be submitted as a d

7、raft 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 - 92138 ISSY-LES-MOULINEAUX CEDEX I Comments should be sent within six months after the date of publication to I E

8、dition approved for publication 1999-09-30 AECMA Gulledelle 94 6-1200 BRUXELLES C8 Chairman Mr Feltham aecma 1999 - Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license

9、from IHS-,-,-O Introduction For design and installation procedures see EN 3298 and EN 3916. I Scope This standard specifies the characteristics of short, self locking, thin wall salvage inserts with silver plated internal thread, in NI-PH2601 (NI-PIOOHT), for aerospace applications. Maximum test tem

10、perature 550 OC 2 Normative references IS0 965-1 IS0 5855-2 EN 2404 EN 2424 EN 2786 EN 3236 EN 3298 EN 3915 EN 3916 TR 3198 IS0 general purpose metric screw threads - Tolerances - Part I: Principles and basic data Aerospace - MJ threads - Part 2: Limit dimensions for bolts and nuts Heat resisting ni

11、ckel base alloy NI-P100HT - Solution treated and precipitation treated - Bars - Aerospace series 1) Aerospace series - Marking of aerospace products Aerospace series - Electrolytic silver plating of fasteners 2) Aerospace series - Inserts, thin wall , self-locking, short, in heat resisting nickel ba

12、se alloy NI-PI OOHT (Inconel 71 8), silver plated internal thread Aerospace series - Inserts, thin wall, self-locking - Installation and removal procedure Aerospace series - Insert, thin wall, self-locking, Mj threads, in heat resisting nickel base alloy Nl-PH2601 (NI-PI OOHT, Inconel 71 8), for sal

13、vage of components - Classification: 1 275 MPa (at ambient temperature) / 550 “C - Technical specification 2) Aerospace series - Insert, thin wall - Salvage procedure for components 2) Aerospace series - Manufacturers identification monograms and marks for EN aerospace products 3) 1) Published as AE

14、CMA Standard at the date of publication 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 Previous page is blank Copyright Association Europeene des Constructeurs de Materi

15、el Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 391 3: 1999 3 Required characteristics 3.1 See Figure 1 and Table 1. Dimensions and tolerances are in millimetres. Dimensions apply after silver plati

16、ng. Configuration - Dimensions - Tolerances - masses 3.2 Material EN 2404 3.3 Surface treatment EN 2786 on internal thread and counterbore diameter C Thickness: - Internal threads 2 MJ6 : 5 pm on thread flanks - Internal threads MJ5 : shall show complete coverage, without thickness requirement - Cou

17、nterbore diameter C : shall show complete coverage, without thickness requirement Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 5 prEN 3913: 199

18、9 read Max minor diameter FORM MAY BE PRODUCED OUT OF ROUND IN THIS AREA (APPROX MID LENGTH OF INTERNAL THREAD) TO ACHIEVE SELF LOCKING REQUIREMENT TOOL MARKS PERMISSiSLE THREAD LUCK HID G Eaut SPACED C D E F G H J Mass + 0,12 10,3 +0,4 + 0,6 min min parts O O O s kgll O00 IDENTI 11,110 13,116 INTER

19、NAL THREAO FACILITATED -/ BY EITHER AXIAL OR RADIAL GROOVE OR GROOVES, METHOD OPTIONAL 10,39 13,4 2,42 1,90 2,OO 7,28 33 10,931 12,40 16,8 3,05 2,42 2,50 9,14 40 17,780 NURL ACROSS THREAM TO PRODUCE J SERRATIONS Code YO Thread loss Details of form not stated are at the manufacturers option Remove sh

20、arp edges O, 1 to 0,4 Ra 3,2 Values apply before silver plating 050 060 070 080 1 O0 31 26 21 17 14 Figure1 Table1 Code 050 060 070 080 1 O0 TY Internal thread a External 1 Designation Designation MJ6x1-4H5H I MlOxl-4g MJ7x1-4H5H I MI lxl-4g 8,056 I 7,34 I 8,2 I 1,90 I 1,50 I 1,25 14,516 I 27 I 4,39

21、8 9,056 I 8,36 I 93 I 2,42 I 1,90 I 1,50 I 544 I 28 I 6,213 10,110 I 9,40 I11,5 I 2,42 I 1,90 I 1,75 I 6,44 I 32 I 8,256 a Threads conform to IS0 5855-2. In the self locking zone the tolerances apply before forming out of round. Threads conform to IS0 965 -1 except maximum minor diameter which shall

22、 be as stated Percentage thread loss values in mm3 listed below refer to the maximum amount of thread that can be removed to enable the facilitation of internal thread locking. These values are obtained from the volume of thread available which is defined as being the circumferential volume of threa

23、d over length K (see Figure 1 and Table 2). Table 2 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4 Designation EXAMPLE: Description block INSERT THI

24、N WALL Identity block EN391 3-050 Number of this standard Thread code (see table 1) NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking and Identification EN 2424, style G Manufacturers identification grooves shall be V - section 0,l - 0,2 deep, as indicated in figure 1. For spacing see TR 31 98 List 3. 6 Technical specification EN 3915 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-