SIST EN 4015:2005

Aerospace series - Inserts, thickwall, self-locking - Installation and removal procedure

This standard specifies the conditions of installation and removal procedure (hole serration profile, tools, swaging) of self-locking thickwall inserts defined by EN standards, for aerospace applications.

Luft- und Raumfahrt - Gewindeeinsätze, dickwandig, selbstsichernd - Ein- und Ausbauverfahren

Diese Norm legt die Bedingungen für das Ein  und Ausbauverfahren (Lochverzahnungsprofil, Werkzeuge, Aufweiten) für selbstsichernde, dickwandige Gewindeeinsätze nach EN-Normen für Anwendungen in der Luft  und Raumfahrt fest.

Série aérospatiale - Douilles filetées, a paroi renforcée, a freinage interne - Procédure d'installation et d'extraction

Aerospace series - Inserts, thickwall, self-locking - Installation and removal procedure

General Information

• Status: Published
• Publication Date: 31-May-2005
• ICS: 49.030.30 - Nuts
• Technical Committee: SS SPL - Technical Board for the general field
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jun-2005
• Due Date: 01-Jun-2005
• Completion Date: 01-Jun-2005
• Ref Project: EN 4015:2004 - Aerospace series - Inserts, thickwall, self-locking - Installation and removal procedure

Relations

• Replaces: SIST EN 4015:2004 - Aerospace series - Inserts, thickwall, self-locking - Installation and removal procedure
• Effective Date: 01-Jun-2005

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 4015:2005
01-junij-2005
1DGRPHãþD
SIST EN 4015:2004
Aerospace series - Inserts, thickwall, self-locking - Installation and removal
procedure
Aerospace series - Inserts, thickwall, self-locking - Installation and removal procedure
Luft- und Raumfahrt - Gewindeeinsätze, dickwandig, selbstsichernd - Ein- und
Ausbauverfahren
Série aérospatiale - Douilles filetées, a paroi renforcée, a freinage interne - Procédure
d'installation et d'extraction
Ta slovenski standard je istoveten z: EN 4015:2004
ICS:
49.030.30 Matice Nuts
SIST EN 4015:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN 4015:2005

---------------------- Page: 2 ----------------------

SIST EN 4015:2005



EUROPEAN STANDARD
EN 4015

NORME EUROPÉENNE

EUROPÄISCHE NORM
November 2004
ICS 49.030.30 Supersedes EN 4015:2003
English version
Aerospace series - Inserts, thickwall, self-locking - Installation
and removal procedure
Série aérospatiale - Douilles filetées, à paroi renforcée, à Luft- und Raumfahrt - Gewindeeinsätze, dickwandig,
freinage interne - Procédure d'installation et d'extraction Selbstsichernd - Ein- und Ausbauverfahren
This European Standard was approved by CEN on 11 September 2003.

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 obtained on application to the Central Secretariat 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 Central Secretariat has the same status as the official
versions.

CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.




EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4015:2004: E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------

SIST EN 4015:2005

EN 4015:2004 (E)
Contents Page
Foreword.3
1 Scope .4
2 Normative references .4
3 Insert information .4
4 Broaching .5
5 Hole serration profile.7
6 Inspection requirements before installation.8
7 Installation tools .8
8 Checks of insert position and crimping .11
9 Inspection of minimum self-locking torque.12
10 Insert removal .13
11 Repair.14

2

---------------------- Page: 4 ----------------------

SIST EN 4015:2005
EN 4015:2004 (E)
Foreword
This document (EN 4015:2004) has been prepared by the European Association of Aerospace
Manufacturers - Standardization (AECMA-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
AECMA, 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 May 2005, and conflicting national standards shall be withdrawn at
the latest by May 2005.
This document supersedes EN 4015:2003.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and United Kingdom.
3

---------------------- Page: 5 ----------------------

SIST EN 4015:2005

EN 4015:2004 (E)
1 Scope
This standard specifies the conditions of installation and removal procedure (hole serration profile, tools,
swaging) of self-locking thickwall inserts defined by EN standards, for aerospace 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 3831, Aerospace series – Inserts, thickwall, self-locking, MJ threads, in heat resisting steel FE-PM3801
(17-4PH), MoS coated
2

EN 4014, Aerospace series – Inserts, thickwall, self-locking – Design standard
3 Insert information
Tables 1 and 2 provide the cross reference between the insert codification, the related bolt thread and the
tapped hole diameter.
Table 1 — Normal size insert
Insert Bolt thread Tapped hole Tapped hole
reference diameter diameter reference
EN3831-050-0 MJ5×0,8 MJ8×1 EN4014-050-0
EN3831-060-0 EN4014-060-0
MJ6×1 MJ9×1
EN3831-070-0 EN4014-070-0
MJ7×1 MJ10×1
EN3831-080-0 EN4014-080-0
MJ8×1 MJ11×1
EN3831-100-0 EN4014-100-0
MJ10×1,25 MJS13×1
Table 2 — First repair size insert
Insert Bolt thread Tapped hole Tapped hole
reference diameter diameter reference
EN3831-050-1 MJ5×0,8 MJ9×1 EN4014-050-1
EN3831-060-1 EN4014-060-1
MJ6×1 MJ10×1
EN3831-070-1 EN4014-070-1
MJ7×1 MJ11×1
EN3831-080-1 EN4014-080-1
MJ8×1 MJ12×1
EN3831-100-1 EN4014-100-1
MJ10×1,25 MJ14×1
4

---------------------- Page: 6 ----------------------

SIST EN 4015:2005
EN 4015:2004 (E)
4 Broaching
4.1 In materials with R << 900 MPa
<<
m
Figure 1 illustrates an example of hand broaching tool which may be used in materials with a strength of
R < 900 MPa. Table 3 gives dimensions of the broach.
m
Dimensions in millimetres
Key
1 J, number of teeth 9 body
2 mandrel 10 cutter up
3 nut backed off 11 pilot
4 turn clockwise to remove cutter. 12 broaching complete
5 stop 13 tap drill hole
6 pin up 14 load
7 mandrel stops here 15 cutter up
8 pin down 16 view enlarged cutter up
Figure 1
5

---------------------- Page: 7 ----------------------

SIST EN 4015:2005

EN 4015:2004 (E)
Table 3
Dimensions in millimetres
Tapped A B C E F H J L R
1
hole Number
+ 0,06 + 0,1
± 0,03
Ref. Ref. Ref. Ref. max.
reference of teeth
+ 0,02 0
EN 4014-050-0S 8,53 4 9,37 18 6,8 4,1 24 82 0,15
EN 4014-060-0S
9,50 10,36 7,8 4,2 27 84
EN 4014-050-1S
5 20
EN 4014-070-0S
10,49 11,28 8,8 4,6 28 85
EN 4014-060-1S
EN 4014-080-0S
0,2
11,47 12,32 21 9,8 4,7 32 87
EN 4014-070-1S
6
EN 4014-080-1S 12,73 13,57 22 10,8 33 88
5,1
EN 4014-100-0S 13,46 14,30 23 11,8 37
90
EN 4014-100-1S 14,55 7 15,39 24 12,8 5,3 40
4.2 In materials with R ≥≥≥≥ 900 MPa
m
Figure 2 illustrates an example of a machine broaching tool which may be used in materials with a strength
of R ≥ 900 MPa. Table 3 gives dimensions of the broach.
m
Dimensions in millimetres
Key
1 J, number of teeth
2 wobbling drift holder
3 broach
4 tool
Figure 2
6

---------------------- Page: 8 ----------------------

SIST EN 4015:2005
EN 4015:2004 (E)
5 Hole serration profile
Table 4 and Figures 3 and 4 provide details of the insert part number and associated bolt thread in relation to
the serration profile in the counterbore of the installation hole.
Table 4
Dimensions in millimetres
Tapped Tapped Nominal AB AC J K
hole
...