1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 4673-001:2010Aerospace series Inserts, UNJthreads, self-locking, with self-broaching keysPart 001: Installation and removalprocedureBS EN 4673-001:2010 BRITISH STANDARDNati
2、onal forewordThis British Standard is the UK implementation of EN 4673-001:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can beobtained on request to its secreta
3、ry.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 63719 3ICS 49.030.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published
4、under the authority of theStandards Policy and Strategy Committee on 30 September 2010.Amendments issued since publicationDate Text affectedBS EN 4673-001:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4673-001 August 2010 ICS 49.030.30 English Version Aerospace series - Inserts, UNJ threa
5、ds, self-locking, with self-broaching keys - Part 001: Installation and removal procedure Srie arospatiale - Douilles filetes, filetage UNJ, freinage interne, clavettes auto-brochantes - Partie 001: Procdure dinstallation et dextraction Luft- und Raumfahrt - Gewindeeinstze, UNJ-Gewinden, selbstsiche
6、rnd, mit selbstrumenden Stiften - Teil 001: Ein-und Ausbauverfahren This European Standard was approved by CEN on 12 June 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
7、 without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained 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 lan
8、guage made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management 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, Esto
9、nia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EURO
10、PISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4673-001:2010: EBS EN 4673-001:2010EN 4673-001:2010 (E) 2 Contents Page Foreword 31 Scope 42 Norma
11、tive references 43 Insert information 44 Inspection requirements before installation .65 Installation tools 65.1 General 65.2 Hand installation 75.2.1 Installation tool 75.2.2 Procedure .85.3 Air pressure installation 85.3.1 Installation tool 85.3.2 Procedure .96 Checks of insert position and keys b
12、roaching .97 Inspection of minimum self-locking torque . 108 Insert replacement 118.1 Insert removal . 118.2 Repair . 128.2.1 General rules . 128.2.2 First and second repair size installation 12BS EN 4673-001:2010EN 4673-001:2010 (E) 3 Foreword This document (EN 4673-001:2010) has been prepared by t
13、he Aerospace 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 AS
14、D, prior 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 February 2011, and conflicting national standards shall be withdrawn at the latest by February 2011. Attention
15、is 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 f
16、ollowing 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, S
17、lovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4673-001:2010EN 4673-001:2010 (E) 4 1 Scope This European Standard specifies the installation and removal procedure (hole profile, tools) of self-locking, self-broaching key, UNJ thread inserts defined by EN standards, for a
18、erospace applications. 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
19、4673-002, Aerospace series Inserts, UNJ threads, self-locking, with self-broaching keys Part 002: Design standard EN 4673-004, Aerospace series Inserts, UNJ threads, self-locking, with self-broaching keys Part 004: In heat resisting nickel base alloy Ni-P100HT (Inconel 718), silver plating EN 4673-0
20、05, Aerospace series Inserts, UNJ threads, self-locking, with self-broaching keys Part 005: In heat resisting nickel base alloy Ni-P101HT (WASPALOY), silver plating EN 4673-006, Aerospace series Inserts, UNJ threads, self-locking, with self-broaching keys Part 006: In heat resisting steel FE-PA2601
21、(A286), MoS2coated ISO 3161, Aerospace series UNJ threads General requirements and limit dimensions 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 4673-001:2010EN 4673-001:2010 (E) 5 Table 1
22、Normal size insert Insert reference Bolt thread diametera Tapped hole diametera Tapped hole referencea EN 4673-004-3-0 EN 4673-005-3-0 EN 4673-006-3-0 .190 0-32UNJF .312 5-18UNJC-3B EN 4673-002-3-0 EN 4673-004-4-0 EN 4673-005-4-0 EN 4673-006-4-0 .250 0-28UNJF.375 0-16UNJFC-3B EN 4673-002-4-0 EN 4673
23、-004-5-0 EN 4673-005-5-0 EN 4673-006-5-0 .312 5-24UNJF .437 5-16UNJ-3B EN 4673-002-5-0 EN 4673-004-6-0 EN 4673-005-6-0 EN 4673-006-6-0 .375 0-24UNJF .500 0-16UNJ-3B EN 4673-002-6-0 EN 4673-004-7-0 EN 4673-005-7-0 EN 4673-006-7-0 .437 5-20UNJF .562 5-16UNJ-3B EN 4673-002-7-0 EN 4673-004-8-0 EN 4673-0
24、05-8-0 EN 4673-006-8-0 .500 0-20UNJF .625 0-16UNJ-3B EN 4673-002-8-0 aAccording to ISO 3161. Table 2 First repair size insert Insert reference Bolt thread diametera Tapped hole diametera Tapped hole referencea EN 4673-004-3-1 EN 4673-005-3-1 EN 4673-006-3-1 .190 0-32UNJF .375 0-16UNJC-3B EN 4673-002
25、-3-1 EN 4673-004-4-1 EN 4673-005-4-1 EN 4673-006-4-1 .250 0-28UNJF.437 5-16UNJ-3B EN 4673-002-4-1 EN 4673-004-5-1 EN 4673-005-5-1 EN 4673-006-5-1 .312 5-24UNJF .500 0-16UNJ-3B EN 4673-002-5-1 EN 4673-004-6-1 EN 4673-005-6-1 EN 4673-006-6-1 .375 0-24UNJF .562 5-16UNJ-3B EN 4673-002-6-1 EN 4673-004-7-
26、1 EN 4673-005-7-1 EN 4673-006-7-1 .437 5-20UNJF .625 0-16UNJ-3B EN 4673-002-7-1 EN 4673-004-8-1 EN 4673-005-8-1 EN 4673-006-8-1 .500 0-20UNJF .687 5-16UNJ-3B EN 4673-002-8-1 aAccording to ISO 3161. BS EN 4673-001:2010EN 4673-001:2010 (E) 6 Table 3 Second repair size insert Insert reference Bolt thre
27、ad diametera Tapped hole diametera Tapped hole referencea EN 4673-004-3-2 EN 4673-005-3-2 EN 4673-006-3-2 .190 0-32UNJF .437 5-16UNJ-3B EN 4673-002-3-2 EN 4673-004-4-2 EN 4673-005-4-2 EN 4673-006-4-2 .250 0-28UNJF.500 0-16UNJ-3B EN 4673-002-4-2 EN 4673-004-5-2 EN 4673-005-5-2 EN 4673-006-5-2 .312 5-
28、24UNJF .562 5-16UNJ-3B EN 4673-002-5-2 EN 4673-004-6-2 EN 4673-005-6-2 EN 4673-006-6-2 .375 0-24UNJF .625 0-16UNJ-3B EN 4673-002-6-2 EN 4673-004-7-2 EN 4673-005-7-2 EN 4673-006-7-2 .437 5-20UNJF .687 5-16UNJ-3B EN 4673-002-7-2 EN 4673-004-8-2 EN 4673-005-8-2 EN 4673-006-8-2 .500 0-20UNJF .750 0-16UN
29、JF-3B EN 4673-002-8-2 aAccording to ISO 3161. 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
30、protective grease, 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 th
31、e basic principles 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 tha
32、t damage may occur to the threads or the locking zone of the insert or the component into which it is being installed. BS EN 4673-001:2010EN 4673-001:2010 (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 overal
33、l dimensions. Figure 1 and Table 4 give the overall dimensions. Key 1 Screwing nose Key 1 Broaching nose for keys setting a) b) c) Figure 1 Table 4 Dimensions in millimetres Insert external thread H L .312 5-18UNJC-3B 71 12,7 .375 0-16UNJC-3B 14,3 .437 5-16UNJ-3B 15,9 .500 0-16UNJ-3B 17,5 .562 5-16U
34、NJ-3B 19,0 .625 0-16UNJ-3B 20,6 .687 5-16UNJ-3B 22,2 .750 0-16UNJF-3B 25,4 BS EN 4673-001:2010EN 4673-001:2010 (E) 8 5.2.2 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 b
35、e lightly smeared externally with a suitable compound to prevent galvanic corrosion if required on the assembly drawing. 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 ho
36、le until the screwing nose mates the component surface as shown in Figure 1 a). d) Adjust the insert position within the X limits given in Figure 3. e) Turn the tool on the broaching nose side as showed in Figure 1 b). f) Apply a sufficient load in the direction indicated Figure 1c to broach the key
37、s by stamping or by pressing on the tool. The keys are fitted in the proper position corresponding to Y dimension given 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
38、 tool for screwing, broaching and unscrewing assembled on an air pressure gun. The overall dimensions are given in Figure 2. Dimensions in millimetres Key 1 Threaded mandrel 2 Interchangeable installation nose corresponding to the insert reference 3 Gun 4 600 kPa (6 bars) air pressure inlet Figure 2
39、 BS EN 4673-001:2010EN 4673-001:2010 (E) 9 5.3.2 Procedure The air pressure gun shall be previously adjusted in order to obtain the 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 draw
40、ing. 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. b) Screw the insert on to the threaded mandrel until it is fully seated on the installation nose. c) Using
41、 the tool, screw the insert into the tapped hole until positioned. The screwing/broaching tool comes into contact with the surface 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 mod
42、e to broach the keys. e) Unscrewing is automatic to extract the tool from the crimped insert. f) Remove excess sealing compound 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 dimens
43、ions X and Y which shall be in accordance with Figure 3. After broaching of keys, the component surface shall not show any distortion or cracks. Dimensions in millimetres Key 1 Installation depth of the keys 2 Installation depth of the insert Figure 3 BS EN 4673-001:2010EN 4673-001:2010 (E) 10 7 Ins
44、pection of minimum self-locking torque The minimum self-locking torque for the installed insert shall conform to Table 5 and shall be checked using a low third pitch diameter passivated stainless steel test bolt (see Table 5). Bolts shall not be lubricated. The test bolts shall be periodically check
45、ed for wear and damage, any bolt falling outside the tolerances in Table 5 shall not be used for this check. The sample size/frequency for this check shall be at the responsibility of the installer. Table 5 Associated bolt thread Part number Test bolt pitch diameter Self-locking torque Normal First
46、repair Second repair max. min. min. size insert size insert size insert mm mm Nm .190 0-32UNJF EN 4673-004-3-0 EN 4673-005-3-0 EN 4673-006-3-0 EN 4673-004-3-1EN 4673-005-3-1EN 4673-006-3-1 EN 4673-004-3-2EN 4673-005-3-2EN 4673-006-3-2 0,168 0,1674 0,46 .250 0-28UNJF EN 4673-004-4-0 EN 4673-005-4-0 E
47、N 4673-006-4-0 EN 4673-004-4-1EN 4673-005-4-1EN 4673-006-4-1 EN 4673-004-4-2EN 4673-005-4-2EN 4673-006-4-2 0,225 0,2243 0,80 .312 5-24UNJF EN 4673-004-5-0 EN 4673-005-5-0 EN 4673-006-5-0 EN 4673-004-5-1EN 4673-005-5-1EN 4673-006-5-1 EN 4673-004-5-2EN 4673-005-5-2EN 4673-006-5-2 0,284 0,2827 1,46 .37
48、5 0-24UNJF EN 4673-004-6-0 EN 4673-005-6-0 EN 4673-006-6-0 EN 4673-004-6-1EN 4673-005-6-1EN 4673-006-6-1 EN 4673-004-6-2EN 4673-005-6-2EN 4673-006-6-2 0,346 0,3450 2,14 .437 5-20UNJF EN 4673-004-7-0 EN 4673-005-7-0 EN 4673-006-7-0 EN 4673-004-7-1EN 4673-005-7-1EN 4673-006-7-1 EN 4673-004-7-2EN 4673-
49、005-7-2EN 4673-006-7-2 0,403 0,4019 3,16 .500 0-20UNJF EN 4673-004-8-0 EN 4673-005-8-0 EN 4673-006-8-0 EN 4673-004-8-1EN 4673-005-8-1EN 4673-006-8-1 EN 4673-004-8-2EN 4673-005-8-2EN 4673-006-8-2 0,465 0,4643 4,06 BS EN 4673-001:2010EN 4673-001:2010 (E) 11 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 6 or pilot spot facing cutter. Material may also be gr
