1、ASD STANDARD NORME ASD ASD NORM prEN 4624 Edition P 1 June 2008 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: 49.030.20 Descriptors: aircraft indu
2、stry ENGLISH VERSION Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated Srie arospatiale Douilles filetes, filetage MJ, freinage interne, clavettes auto-brochantes, en alliage rsistant chaud base de ni
3、ckel NI-PH1302 (Waspaloy), argentes Luft- und Raumfahrt Gewindeeinstze, MJ-Gewinden, selbstsichernd, mit selbstrumenden Stiften, aus Hochwarmfeste Nickellegierung NI-PH1302 (Waspaloy), Versilbert This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpac
4、e and Defence Industries Association of Europe - 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 publication of this Prestandard, the technical con
5、tent 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 ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committ
6、ee 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 standards conflicting with the EN. Edition approved f
7、or publication 30 June 2008 Comments should be sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2008 by ASD-STAN prEN 4624:2008 2 Contents Page Foreword2 Introduction.3 1 Scope 3 2 Normative references 3 3 Required characteristics.4 4 Insert definition4 5
8、Designation 7 6 Marking and identification 7 7 Technical specification .7 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual
9、, this standard has received approval for Publication. prEN 4624:20083 Introduction For design and installation procedures, see EN 4620 and EN 4619. 1 Scope This standard specifies the characteristics of self-locking, MJ thread inserts, self-broaching keys, in NI-PH1302, silver plated, for aerospace
10、 applications. Classification: 1 200 MPa 1)/ 800 C 2)2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includin
11、g any amendments) applies. ISO 5855-1, Aerospace MJ threads Part 1: General requirements. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. EN 2424, Aerospace series Marking of aerospace products. EN 2786, Aerospace series Electrolytic silver plating of fasteners. 3)EN 29
12、59, Aerospace series Heat resisting alloy NI-PH1302 (NiCr20Co13Mo4Ti3Al) Solution treated and cold worked Bar for forged fasteners 3 mm D 30 mm. 3)EN 3220, Aerospace series Heat resisting nickel base alloy (Ni-P101HT) Cold worked and softened Bar and wire for continuous forging or extrusion for fast
13、eners 3 D 30 mm. 3)EN 4619, Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys Installation and removal procedure. 3)EN 4620, Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys Design standard. 3)EN 4621, Aerospace series Inserts, MJ threads, self-
14、locking, self-broaching keys Technical specification. 3)TR 3198, Aerospace series Manufacturers identification monograms and marks for EN aerospace products. 4)1) Corresponds to the minimum tensile stress which the insert is able to withstand at ambient temperature without breaking or craking when t
15、ested with a bolt of a higher strength class. 2) Maximum temperature that the insert is able to withstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the MoS2lubricant. 3) Published as ASD Prest
16、andard at the date of publication of this standard. 4) Published as ASD Technical Report at the date of publication of this standard. prEN 4624:20084 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Tables 1, 2, 3 and 4. Dimensions and tolerances are in mill
17、imetres. They apply after silver plating. 3.2 Material Insert: EN 3220 or EN 2959 treated for 335 HV to 427 HV Keys: Stainless steel or Nickel alloy treated for HV 600 3.3 Surface treatment See EN 2786. 4 Insert definition See Figure 1. Values apply after silver plating. Remove sharp edges 0,1 mm to
18、 0,4 mm. Key 1 N keys equally spaced 2 form out-of-round in this area to achieve the self-locking requirement. Mark of tools allowed. 3 pitch diameters 4 marking area or on keys left to producers option 5 total length of the key shall not exceed E min. Dimensions and location of keys shall meet EN 4
19、624 requirements. Details of form not stated are left to the producers discretion. Figure 1 5Ra3,2 Ra1,6 only for key grooves and keys prEN 4624:2008 5 4.1 Normal size insert See Table 1. Table 1 A B CcD E F G N Internal thread aExternal thread bMass kg/1 000parts Code Designation Designation max. 0
20、 0,2 max. 0 0,2 max. 050-0 MJ50,8-4H6H MJ91-4h6h 7,5 9 5 8 2 2,3 060-0 MJ61-4H5H MJ101-4h6h 8,5 10 6,5 10 2 3,4 070-0 MJ71-4H5H MJ111-4h6h 9,5 11 8 11,5 2 4,5 080-0 MJ81-4H5H MJ121-4h6h 10,5 12 9,5 13,5 4 5,9 100-0 MJ101,25-4H5H MJ141-4h6h 12,5 14 12 4,35 16,5 4 9,2 aIn accordance with ISO 5855-2. b
21、In accordance with ISO 5855-1. cAfter deformation. 4.2 First repair size insert See Table 2. Table 2 A B CcD E F G N Internal thread aExternal thread bMass kg/1 000parts Code Designation Designation max. 0 0,2 max. 0 0,2 max. 050-1 MJ50,8-4H6H MJ101-4h6h 7,5 10 5 8 2 2,8 060-1 MJ61-4H5H MJ111-4h6h 8
22、,5 11 6,5 10 2 4,2 070-1 MJ71-4H5H MJ121-4h6h 9,5 12 8 11,5 2 5,6 080-1 MJ81-4H5H MJS131-4h6h 10,5 13 9,5 13,5 4 7,4 100-1 MJ101,25-4H5H MJ151-4h6h 12,5 15 12 4,35 16,5 4 11,3 aIn accordance with ISO 5855-2. bIn accordance with ISO 5855-1 except MJS131-4h6h thread which shall be in accordance with T
23、able 4. cAfter deformation. prEN 4624:20086 4.3 Second repair size insert See Table 3. Table 3 A B CcD E F G N Internal thread aExternal thread bMass kg/1 000parts Code Designation Designation max. 0 0,2 max. 0 0,2 max. 050-2 MJ50,8-4H6H MJ111-4h6h 7,5 11 5 8 2 3,5 060-2 MJ61-4H5H MJ121-4h6h 8,5 12
24、6,5 10 2 5,1 070-2 MJ71-4H5H MJS131-4h6h 9,5 14 8 11,5 2 6,8 080-2 MJ81-4H5H MJ141-4h6h 10,5 15 9,5 13,5 4 8,9 100-2 MJ101,25-4H5H MJ161-4h6h 12,5 16 12 4,35 16,5 4 13,6 aIn accordance with ISO 5855-2. bIn accordance with ISO 5855-1 except MJS131-4h6h thread which shall be in accordance with Table 4
25、. cAfter deformation. 4.4 Special thread dimensions See Table 4. Table 4 Major diameter Pitch diameter Minor diameter Root radius External thread a max. min. max. min. max. min. max. min. MJS131-4h6h 13 12,888 12,350 12,275 11,845 11,709 0,18 0,15 aProfile in accordance with ISO 5855-1. prEN 4624:20
26、08 7 5 Designation EXAMPLE Description block INSERTS, SELF-LOCKING, SELF-BROACHING KEYS Identity block EN4624-050-0 Number of this standard Thread code (see Tables 1 to 3) NOTE The last digit corresponds to: Oversize code: 0 = Normal size 1 = First repair size 2 = Second repair size NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking and identification EN 2424, style F Manufacturers identification marks in accordance with the list for special identification marks in TR 3198. 7 Technical specification EN 4621
