1、BS EN 4619:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Inserts, MJ threads,self-locking, withself-broaching keys Installation andremoval procedureThis British Standardwas published under theauthority of the StandardsPolicy a
2、nd StrategyCommittee on 30 April2010 BSI 2010ISBN 978 0 580 69131 7Amendments/corrigenda issued since publicationDate CommentsBS EN 4619:2010National forewordThis British Standard is the UK implementation of EN 4619:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE
3、/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a
4、British Standard cannot confer immunityfrom legal obligations.BS EN 4619:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4619 March 2010 ICS 49.030.30 English Version Aerospace series - Inserts, MJ threads, self-locking, with self-broaching keys - Installation and removal procedure Srie aro
5、spatiale - Douilles filetes, filetage MJ, freinage interne, clavettes auto-brochants - Procdure dinstallation et dextraction Luft- und Raumfahrt - Gewindeeinstze, MJ-Gewinden, selbstsichernd, mit selbstrumenden Stiften - Ein- und Ausbauverfahren This European Standard was approved by CEN on 9 Januar
6、y 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtai
7、ned on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Managem
8、ent Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlan
9、ds, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in a
10、ny form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4619:2010: EBS EN 4619:2010EN 4619:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Insert information 44 Inspection requirements before installation .65 Installation tools 65.1 General 65.2 Hand i
11、nstallation 75.3 Air pressure installation 86 Checks of insert position and keys broaching .97 Inspection of minimum self-locking torque . 108 Insert replacement 108.1 Insert removal . 108.2 Repair . 12BS EN 4619:2010EN 4619:2010 (E) 3 Foreword This document (EN 4619:2010) has been prepared by the A
12、erospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, p
13、rior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2010, and conflicting national standards shall be withdrawn at the latest by September 2010. Attention is
14、 drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the fol
15、lowing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slo
16、vakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4619:2010EN 4619:2010 (E) 4 1 Scope This standard specifies the installation and removal procedure (hole profile, tools) of self-locking, self-broaching key, MJ thread inserts defined by EN standards, for aerospace application
17、s. 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. EN 4620, Aerospace seri
18、es Inserts, MJ threads, self-locking, with self-broaching keys Design standardEN 4622, Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys, in heat resisting steel FE-PA2601 (A286), MoS2coated EN 4623, Aerospace series Inserts, MJ threads, self-locking, with self-broaching k
19、eys, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), silver plated EN 4624, Aerospace series Inserts, MJ threads, self-locking, with self-broaching keys, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plate ISO 5855-1, Aerospace MJ threads Part 1: General requirements
20、ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts 3 Insert information Tables 1 to 3 provide the cross reference between the insert codification, the related bolt thread and the tapped hole diameter. BS EN 4619:2010EN 4619:2010 (E) 5 Table 1 Normal size insert Insert refer
21、ence Bolt thread diameter a, bTapped hole diameter bTapped hole reference EN 4622-050-0 EN 4624-050-0 EN 4623-050-0 MJ50,8 MJ91-4H5H EN 4620-050-0 EN 4622-060-0 EN 4624-060-0 EN 4623-060-0 MJ61 MJ101-4H5H EN 4620-060-0 EN 4622-070-0 EN 4624-070-0 EN 4623-070-0 MJ71 MJ111-4H5H EN 4620-070-0 EN 4622-0
22、80-0 EN 4624-080-0 EN 4623-080-0 MJ81 MJ121-4H5H EN 4620-080-0 EN 4622-100-0 EN 4624-100-0 EN 4623-100-0 MJ101,25 MJ141-4H5H EN 4620-100-0 aAccording to ISO 5855-2. bAccording to ISO 5855-1. Table 2 First repair size insert Insert reference Bolt thread diameter a, b Tapped hole diameter bTapped hole
23、 reference EN 4622-050-1 EN 4624-050-1 EN 4623-050-1 MJ50,8 MJ101-4H5H EN 4620-050-1 EN 4622-060-1 EN 4624-060-1 EN 4623-060-1 MJ61 MJ111-4H5H EN 4620-060-1 EN 4622-070-1 EN 4624-070-1 EN 4623-070-1 MJ71 MJ121-4H5H EN 4620-070-1 EN 4622-080-1 EN 4624-080-1 EN 4623-080-1 MJ81 MJS131-4H5H EN 4620-080-
24、1 EN 4622-100-1 EN 4624-100-1 EN 4623-100-1 MJ101,25 MJ151-4H5H EN 4620-100-1 aAccording to ISO 5855-2. bAccording to ISO 5855-1 except MJS131 (see Table 4). BS EN 4619:2010EN 4619:2010 (E) 6 Table 3 Second repair size insert Insert reference Bolt thread diameter a, bTapped hole diameter bTapped hol
25、e reference EN 4622-050-2 EN 4624-050-2 EN 4623-050-2 MJ50,8 MJ111-4H5H EN 4620-050-2 EN 4622-060-2 EN 4624-060-2 EN 4623-060-2 MJ61 MJ121-4H5H EN 4620-060-2 EN 4622-070-2 EN 4624-070-2 EN 4623-070-2 MJ71 MJS131-4H5H EN 4620-070-2 EN 4622-080-2 EN 4624-080-2 EN 4623-080-2 MJ81 MJ141-4H5H EN 4620-080
26、-2 EN 4622-100-2 EN 4624-100-2 EN 4623-100-2 MJ101,25 MJ161-4H5H EN 4620-100-2 aAccording to ISO 5855-2. bAccording to ISO 5855-1 except MJS131 (see Table 4). Table 4 Dimensions in millimetres Thread designation Major diameter Pitch diameter Minor diameter max. max. min. max. min. MJS131-4H5H 13,244
27、 12,450 12,350 12,216 12,026 4 Inspection requirements before installation Prior to installation check the installation hole to receive the insert are free from burrs and any foreign objects, grease, oil, etc. Inspect insert to be installed and ensure that it is clean and free from protective grease
28、, etc. 5 Installation tools 5.1 General In order to facilitate the correct assembly of the inserts use the appropriate tools. It is necessary to use one tool by insert reference. The tools and their methods of application described in this standard are not mandatory and show only the basic principle
29、s to be observed to achieve the satisfactory installation and subsequent broaching and the satisfactory removal of the inserts. The maximum dimensional requirements provided shall be achieved and on no account shall the design of the tools or their methods of application be such that damage may occu
30、r to the threads or the locking zone of the insert or the component into which it is being installed. BS EN 4619:2010EN 4619:2010 (E) 7 5.2 Hand installation 5.2.1 Installation tool Figure 1 illustrates a combined tool used for hand screwing and hand broaching and its overall dimensions. Figure 1a)
31、and Table 5 give the overall dimensions. Key 1 Screwing nose 2 Broaching nose for keys setting a) b) c) Figure 1Table 5 Dimensions in millimetres Insert external thread H L MJ91 71 14,3 MJ101 15,9 MJ111 14,3 MJ121 17,5 MJS131 17,5 MJ141 19,0 MJ151 20,6 MJ161 20,6 BS EN 4619:2010EN 4619:2010 (E) 8 5.
32、2.2 Procedure a) Lubricate the outer thread of the insert with the lubricant referenced on the assembly drawing. Inserts installed in aluminium or magnesium alloy components shall be lightly smeared externally with a suitable compound to prevent galvanic corrosion if required on the assembly drawing
33、. b) Fit into place and screw the insert by two turns into the component. c) Fit into place the screwing nose of the tool onto the keys, then screw the assembly into the threaded hole until the screwing nose mates the component surface as shown in Figure 1a). d) Adjust the insert position within the
34、 X limits given in Figure 3. e) Turn the tool on the broaching nose side as showed in Figure 1b). f) Apply a sufficient load in the direction indicated Figure 1c) to broach the keys by stamping or by pressing on the tool. The keys are fitted in the proper position corresponding to Y dimension given
35、in Figure 3. g) Remove the tool from the insert. h) Remove excess sealing compound or lubricant if any. 5.3 Air pressure installation 5.3.1 Installation tool Figure 2 illustrates a tool for screwing, broaching and unscrewing assembled on an air pressure gun. The overall dimensions are given in Figur
36、e 2. Dimensions in millimetres Key 1 Threaded mandrel 2 Interchangeable installation nose corresponding to the insert reference 3 Gun 4 600 kPa (6 bar) air pressure inlet Figure 2 BS EN 4619:2010EN 4619:2010 (E) 9 5.3.2 Procedure The air pressure gun shall be previously adjusted in order to obtain t
37、he satisfactory installation of insert and of the keys as given in Figure 3. a) Lubricate the outer thread of the insert with the lubricant referenced on the assembly drawing. Inserts installed in aluminium or magnesium alloy components shall be lightly smeared externally with a suitable compound to
38、 prevent galvanic corrosion if required on the assembly drawing. b) Screw the insert on to the threaded mandrel until it is fully seated against the installation nose. c) Using the tool, screw the insert into the tapped hole until positioned: The screwing/broaching tool comes into contact with the s
39、urface of the component, when operating the air gun. The insert comes in position as shown in Figure 3 below the surface of the casing. d) Use the air gun in the percussion mode to broach the keys. e) Unscrewing is automatic to extract the tool from the crimped insert. f) Remove excess sealing compo
40、und or lubricant if any. 6 Checks of insert position and keys broaching These checks shall be carried out with an inspection gauge common to all insert dimensions. Check dimensions X and Y which shall be in accordance with Figure 3. After broaching of keys, the component surface shall not show any d
41、istortion or cracks. Dimensions in millimetres Key X Installation depth of the keys X = 0,13 0,75 Y Installation depth of the insert Y = 0,25 0,75 Figure 3 BS EN 4619:2010EN 4619:2010 (E) 10 7 Inspection of minimum self-locking torque The minimum self-locking torque for the installed insert shall co
42、nform to Table 6 and shall be checked using a low third pitch diameter passivated stainless steel test bolt (see Table 6). Bolts shall not be lubricated. The test bolts shall be periodically checked for wear and damage, any bolt falling outside the tolerances in Table 6 shall not be used for this ch
43、eck. The sample size/frequency for this check shall be at the responsibility of the installer. Table 6 Associated bolt thread Part number Test bolt pitch diameter Self-lockingtorque Normal size insert First repair size insert Second repairsize insert mm mm Nm max. min. min. MJ50,8 EN 4622-050-0 EN 4
44、624-050-0 EN 4623-050-0 EN 4622-050-1EN 4624-050-1EN 4623-050-1 EN 4622-050-2EN 4624-050-2EN 4623-050-2 4,440 4,420 0,5 MJ61 EN 4622-060-0 EN 4624-060-0 EN 4623-060-0 EN 4622-060-1EN 4624-060-1EN 4623-060-1 EN 4622-060-2EN 4624-060-2EN 4623-060-2 5,303 5,279 0,7 MJ71 EN 4622-070-0 EN 4624-070-0 EN 4
45、623-070-0 EN 4622-070-1EN 4624-070-1EN 4623-070-1 EN 4622-070-2EN 4624-070-2EN 4623-070-2 6,303 6,279 1,1 MJ81 EN 4622-080-0 EN 4624-080-0 EN 4623-080-0 EN 4622-080-1EN 4624-080-1EN 4623-080-1 EN 4622-080-2EN 4624-080-2EN 4623-080-2 7,303 7,279 1,4 MJ101,25 EN 4622-100-0 EN 4624-100-0 EN 4623-100-0
46、EN 4622-100-1EN 4624-100-1EN 4623-100-1 EN 4622-100-2EN 4624-100-2EN 4623-100-2 9,138 9,113 2,4 8 Insert replacement 8.1 Insert removal When repairing, the self-broaching key inserts can be removed as follows: a) Drill using a diameter A drill to depth B as shown in Figure 4 and Table 7 or pilot spo
47、t facing cutter. Material may also be ground or milled away locally in the key area as shown in Figure 4, so that keys can be removed.BS EN 4619:2010EN 4619:2010 (E) 11 a) or b) Key 1 Drill 2 Mill or grinder Figure 4 b) Deflect the keys inward to clear the tapped hole as shown in Figure 5. Figure 5
48、c) Unscrew the insert with the extraction tool as shown in Figure 6. Figure 1 d) After machining, remove the part fragments of the insert using the appropriate tool. BS EN 4619:2010EN 4619:2010 (E) 12 Table 7 Dimensions in millimetres Tapped hole A B reference diameter max. max. EN 4620-050-0 MJ91 7
49、,8 3,0 EN 4620-050-1 EN 4620-060-0 MJ101 8,8 3,1 EN 4620-050-2 EN 4620-060-1 EN 4620-070-0 MJ111 9,8 3,4 EN 4620-060-2 EN 4620-070-1 EN 4620-080-0 MJ121 10,8 3,6 EN 4620-070-2 EN 4620-080-1 MJS131 11,8 4,0 EN 4620-080-2 EN 4620-100-0 MJ141 12,8 EN 4620-100-1 MJ151 13,8 4,2 EN 4620-100-2 MJ161 14,8 4,5 8.2 Repair 8.2.1 General rules After removal of the insert, check for cleanliness of tapped hole and check tapped hole dimensions u
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