1、ASD STANDARD NORME ASD ASD NORM prEN 4622 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 steel FE-PA2601 (A286), MoS2coated Srie arospatiale Douilles filetes, filetage MJ, freinage interne, clavettes auto-brochantes, en acier rsistant chaud FE-PA2601 (A286), revtues MoS2L
3、uft- und Raumfahrt Gewindeeinstze, MJ-Gewinden, selbstsichernd, mit selbstrumenden Stiften, aus hochwarmfestem Stahl FE-PA2601 (A286), MoS2beschichtet This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europ
4、e - 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 content shall not be changed to an extent that i
5、nterchangeability 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 Committee for Standardization) for formal vote and t
6、ransformation 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 for publication 30 June 2008 Comments should b
7、e sent within six months after the date of publication to ASD-STAN Mechanical Domain Copyright 2008 by ASD-STAN prEN 4622:20082 Contents Page Foreword2 Introduction.3 1 Scope 3 2 Normative references 3 3 Required characteristics.4 4 Insert definition4 5 Designation 7 6 Marking and identification 7 7
8、 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, this standard has received approval for Publ
9、ication. prEN 4622:20083 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 FE-PA2601, MoS2coated, for aerospace applications. Classification: 1 100 MPa 1)/ 315
10、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 (including any amendments) applies. ISO 5855-1, Aerospace
11、MJ threads Part 1: General requirements. ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. EN 2399, Heat resisting steel FE-PA92-HT Rm 900 MPa Bars for forged bolts D 25 mm Aerospace series. 3)EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace ser
12、ies Molybdenum disulphide dry lubricants Coating methods. EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15 mm 900 MPa Rm 1 100 MPa. EN 4619, Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys Installation and r
13、emoval procedure. 4)EN 4620, Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys Design standard. 4)EN 4621, Aerospace series Inserts, MJ threads, self-locking, self-broaching keys Technical specification. 4)TR 3198, Aerospace series Manufacturers identification monograms an
14、d marks for EN aerospace products. 5)1) Corresponds to the minimum tensile stress which the insert is able to withstand at ambient temperature without breaking or craking when tested with a bolt of a higher strength class. 2) Maximum temperature that the insert is able to withstand, without permanen
15、t alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the MoS2lubricant 3) Published as ASD Standard at the date of publication of this standard. 4) Published as ASD Prestandard at the date of publication of this standard
16、. 5) Published as ASD Technical Report at the date of publication of this standard. prEN 4622:2008 4 3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Tables 1, 2, 3 and 4. Dimensions and tolerances are in millimetres. They apply before MoS2coating. 3.2 Mater
17、ial Insert: EN 3639 or EN 2399 treated for 370 HV to 435 HV. Keys: Stainless steel or Nickel alloy treated for HV 600 3.3 Surface treatment See EN 2491. 4 Insert definition See Figure 1. Values apply before MoS2coating. Remove sharp edges 0,1 mm to 0,4 mm. Key 1 N keys equally spaced 2 form out-of-r
18、ound 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 4622 requirements. Details of form not stated are lef
19、t to the producers discretion. Figure 1 5Ra3,2 Ra1,6 only for key grooves and keys prEN 4622:2008 5 4.1 Normal size insert See Table 1. Table 1 A B CcD E F G N Internal thread aExternal thread bMass kg/1 000 parts Code Designation Designation max. 0 0,2 max. 0 0,2 max. 050-0 MJ50,8-4H6H MJ91-4h6h 7,
20、5 9 5 8 2 2,2 060-0 MJ61-4H5H MJ101-4h6h 8,5 10 6,5 10 2 3,3 070-0 MJ71-4H5H MJ111-4h6h 9,5 11 8 11,5 2 4,4 080-0 MJ81-4H5H MJ121-4h6h 10,5 12 9,5 13,5 4 5,7 100-0 MJ101,25-4H5H MJ141-4h6h 12,5 14 12 4,35 16,5 4 8,9 aIn accordance with ISO 5855-2. bIn accordance with ISO 5855-1. cAfter deformation.
21、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 2,7 060-1 MJ61-4H5H MJ111-4h6h 8,5 11 6,5 10 2 4,1 070-1 MJ71-4H5H MJ121-4h6h 9,5 1
22、2 8 11,5 2 5,4 080-1 MJ81-4H5H MJS131-4h6h 10,5 13 9,5 13,5 4 7,1 100-1 MJ101,25-4H5H MJ151-4h6h 12,5 15 12 4,35 16,5 4 11,0 aIn accordance with ISO 5855-2. bIn accordance with ISO 5855-1 except MJS131-4h6h thread which shall be in accordance with Table 4. cAfter deformation. prEN 4622:20086 4.3 Sec
23、ond 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 3,4 060-2 MJ61-4H5H MJ121-4h6h 8,5 12 6,5 10 2 5,0 070-2 MJ71-4H5H MJS131-4h6h 9,5 14 8 1
24、1,5 2 6,6 080-2 MJ81-4H5H MJ141-4h6h 10,5 15 9,5 13,5 4 8,7 100-2 MJ101,25-4H5H MJ161-4h6h 12,5 16 12 4,35 16,5 4 13,2 aIn accordance with ISO 5855-2. bIn accordance with ISO 5855-1 except MJS131-4h6h thread which shall be in accordance with Table 4. cAfter deformation. 4.4 Special thread dimensions
25、 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 4622:2008 7 5 Designation EXAMPLE Description block INSERT
26、S, SELF-LOCKING, SELF-BROACHING KEYS Identity block EN4622-050-0 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
