SIST EN 15566:2022
(Main)Railway applications - Railway Rolling stock - Draw gear and screw coupling
Railway applications - Railway Rolling stock - Draw gear and screw coupling
This document specifies the requirements for the draw gear and screw coupling for the end of rolling stock that is bound to couple with other rolling stock (freight wagons, locomotives, passenger vehicles, etc.).
This document covers the functionality, construction, interfaces and testing including pass/fail criteria for draw gear and screw coupling.
The document describes three categories of classification of draw gear and screw coupling, (1 MN, 1,2 MN and 1,5 MN).
Coupling systems between permanently coupled vehicle units are not in the scope of this document.
Bahnanwendungen - Schienenfahrzeuge - Zugeinrichtung und Schraubenkupplung
Dieses Dokument legt die Anforderungen an Zugeinrichtungen und Schraubenkupplungen für Wagenenden fest, die mit anderen Schienenfahrzeugen (Güterwagen, Lokomotiven, Reisezugwagen, usw.) gekuppelt werden.
Dieses Dokument umfasst die Funktionalität, Bauweise, Schnittstellen und Prüfungen einschließlich der Abnahmekriterien für Zugeinrichtungen und Schraubenkupplungen.
In diesem Dokument sind drei Kategorien von Zugeinrichtungen und Schraubenkupplungen beschrieben (1 MN, 1,2 MN und 1,5 MN).
Kupplungssysteme zwischen permanent gekuppelten (im Regelbetrieb untrennbare) Wageneinheiten sind vom Anwendungsbereich dieses Dokuments ausgeschlossen.
Applications ferroviaires - Matériel roulant ferroviaire - Organe de traction et tendeur d'attelage
Le présent document spécifie les exigences relatives aux organes de traction et aux tendeurs d'attelage pour un matériel roulant couplé à un autre matériel roulant (wagons de marchandises, locomotives, voitures, etc.).
Le présent document couvre la fonctionnalité, la construction, les interfaces et les essais, y compris les critères de réussite/d'échec relatifs aux essais des organes de traction et des tendeurs d'attelage.
Le présent document décrit trois catégories pour la classification des organes de traction et des tendeurs d'attelage (1 MN, 1,2 MN et 1,5 MN).
Les systèmes d'attelage entre les unités des véhicules couplés de manière permanente ne relèvent pas du domaine d'application du présent document.
Železniške naprave - Železniška vozila - Vlečna naprava in vijačna spenjača
Ta dokument določa zahteve za vlečno napravo in vijačno spenjačo za konec železniškega vozila, ki se mora speti z drugimi vozili (tovorni vagoni, lokomotive, potniška vozila itd.).
Ta dokument zajema funkcionalnost, sestavo, vmesnike in preskušanje, vključno z merili za uspešno/neuspešno opravljen preskus, za vlečno napravo in vijačno spenjačo.
Dokument opisuje tri razvrstitvene kategorije vlečne naprave in vijačne spenjače (1 MN, 1,2 MN in 1,5 MN).
Ta dokument ne zajema spenjalnih sistemov med trajno povezanimi enotami vozil.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 15566:2022
01-november-2022
Nadomešča:
SIST EN 15566:2016
Železniške naprave - Železniška vozila - Vlečna naprava in vijačna spenjača
Railway applications - Railway Rolling stock - Draw gear and screw coupling
Bahnanwendungen - Schienenfahrzeuge - Zugeinrichtung und Schraubenkupplung
Applications ferroviaires - Matériel roulant ferroviaire - Organe de traction et tendeur
d'attelage
Ta slovenski standard je istoveten z: EN 15566:2022
ICS:
45.060.10 Vlečna vozila Tractive stock
SIST EN 15566:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 15566:2022
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SIST EN 15566:2022
EN 15566
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2022
EUROPÄISCHE NORM
ICS 45.060.01 Supersedes EN 15566:2016
English Version
Railway applications - Railway Rolling stock - Draw gear
and screw coupling
Applications ferroviaires - Matériel roulant ferroviaire Bahnanwendungen - Schienenfahrzeuge -
- Organes de traction et tendeur d'attelage Zugeinrichtung und Schraubenkupplung
This European Standard was approved by CEN on 10 July 2022.
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 CEN-CENELEC 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-CENELEC 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, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15566:2022 E
worldwide for CEN national Members.
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SIST EN 15566:2022
EN 15566:2022 (E)
Contents Page
European foreword . 6
Introduction . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 11
4 Requirements for all types of draw gear and screw coupling. 13
4.1 Classification and designation . 13
4.2 Interface dimension for freight wagons. 14
4.3 Lifetime . 15
5 Draw gear . 15
5.1 Draw gear components . 15
5.2 Draw hook and drawbar – Requirements . 16
6 Screw coupling . 17
6.1 General requirements . 17
6.2 Screw coupling – Requirements. 19
7 Elastic device . 20
7.1 Characteristics of the elastic device . 20
7.2 Elastic device – Requirements . 20
Annex A (normative) Dynamic test (fatigue test) procedure . 21
A.1 Background . 21
A.2 Performance of the test . 21
A.2.1 Conditioning . 21
A.2.2 Dynamic test (fatigue test) . 21
A.2.3 Non-destructive tests . 23
A.2.4 Determination of residual strength . 23
A.2.5 Macrographic and Micrographic tests . 24
A.3 Criteria of acceptance . 24
A.4 Test report . 24
Annex B (normative) Draw hook — dimensions . 25
Annex C (normative) Draw gear — Interface dimension . 26
Annex D (normative) Screw coupling components - dimensions . 28
Annex E (normative) Draw hook and drawbar - Requirements . 30
E.1 Physical characteristics . 30
E.1.1 Appearance . 30
E.1.2 Integrity . 30
E.1.3 Material examination . 30
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SIST EN 15566:2022
EN 15566:2022 (E)
E.2 Geometrical characteristics . 31
E.3 Mechanical characteristics . 31
E.3.1 General . 31
E.3.2 Tensile test on test piece . 31
E.3.3 Resilience. 31
E.3.4 Hardness . 31
E.3.5 Tensile test on draw hook and drawbar . 32
E.4 Marking . 32
E.5 Manufacture. 32
E.5.1 General on drawbars . 32
E.5.2 General on draw hooks . 32
E.5.3 Machining . 32
E.5.4 Heat treatment . 33
E.5.5 Rectification of defects. 33
E.6 Acceptance . 33
E.6.1 General . 33
E.6.2 Inspection of the draw hooks . 35
E.6.3 Inspection of drawbars . 38
E.6.4 Conclusion of the inspections . 39
E.7 Delivery . 39
E.7.1 Protection against corrosion . 39
E.7.2 Packaging . 39
Annex F (normative) Screw coupling and components parts — Requirements . 40
F.1 Materials . 40
F.2 Physical characteristics . 40
F.2.1 Appearance . 40
F.2.2 Soundness . 40
F.2.3 Additional requirements for screw coupling . 41
F.3 Geometrical characteristics . 41
F.3.1 General . 41
F.3.2 Dimensions limited either by two unmachined or rough machined surfaces or by
one unmachined or rough machined surface . 42
F.3.3 Dimensions limited by two machined surfaces . 42
F.4 Mechanical characteristics . 42
F.4.1 Heat treatment . 42
F.4.2 Hardness . 42
F.4.3 Resilience. 43
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SIST EN 15566:2022
EN 15566:2022 (E)
F.4.4 Requirements for screw coupling . 43
F.4.5 Requirement for handle and trunnion . 45
F.5 Marking . 45
F.6 Manufacture . 45
F.6.1 Preparation of the materials . 45
F.6.2 Manufacture of the component parts . 45
F.7 Acceptance . 48
F.7.1 General . 48
F.7.2 Inspection of the manufacture . 48
F.8 Inspection of the materials, component parts and screw couplings . 48
F.8.1 Materials submission for acceptance . 48
F.8.2 Grouping into batches . 49
F.8.3 Nature and proportion of the tests . 49
F.8.4 Sampling and preparation of the samples and test pieces . 50
F.8.5 Carrying out of the checks and tests . 54
F.9 Completion of inspections. 56
F.10 Delivery. 56
F.10.1 Protection against oxidation . 56
F.10.2 Packing . 56
Annex G (normative) Elastic device — Requirements . 57
G.1 Rubber elastomer or other elastomer elastic device . 57
G.1.1 General . 57
G.1.2 Metal inserts requirements . 57
G.1.3 Elastomer requirements . 57
G.1.4 Static test . 59
G.1.5 Endurance test . 60
G.1.6 Bonding . 62
G.1.7 Inspection and tests . 62
G.1.8 Markings . 64
G.2 Friction spring/ Ring spring . 64
G.2.1 Manufacturer's marks . 64
G.2.2 Flexibility test . 64
G.2.3 Endurance test . 65
Annex H (normative) Marking . 66
H.1 Marking of the draw hook . 66
H.2 Marking of the screw coupling . 66
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SIST EN 15566:2022
EN 15566:2022 (E)
H.3 Draw gear . 67
H.4 Drawbar . 67
H.5 Summary of markings . 68
Annex I (informative) Microscopic examination of steel materials using standard diagrams
to assess the content of non-metallic inclusions . 69
I.1 General . 69
I.1.1 Degree of purity . 69
I.1.2 Standard diagram plate No. 1 . 69
I.2 Preparation of specimens . 69
I.3 Structure and use of standard diagram plate No. 1 . 69
I.3.1 Use of diagram plate No. 1 . 69
I.3.2 Rating a single inclusion . 70
I.3.3 Rating of very small inclusions . 70
I.4 Test procedure . 70
I.4.1 Magnification . 70
I.4.2 Selection of inclusions . 70
I.5 Evaluation . 71
I.5.1 General . 71
I.5.2 Method of evaluation . 71
I.5.3 Calculation procedure for evaluation using method K . 71
I.6 Example . 74
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive (EU) 2016/797 aimed to be covered . 75
Bibliography . 77
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SIST EN 15566:2022
EN 15566:2022 (E)
European foreword
This document (EN 15566:2022) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
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 2023, and conflicting national standards
shall be withdrawn at the latest by February 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 15566:2016.
Compared with EN 15566:2016 the following changes have been done:
a) Adaption in Terms and Definition at 3.3 “draw hook”;
b) Modification on Note in 6.1 to the production;
c) Revision of Annex E, particular Table E.1 and E.3.1;
d) Revision of Annex F, particular on Table F.1 and F.6.2.3, F.8.4.2 a);
e) New Annex I “Microscopic examination of steel materials using standard diagrams to assess the
content of non-metallic inclusions”;
f) Adaption of Annex ZA in relastion to the new approach;
g) Adaption of this document in relation to the intersection contents on EN 16839;
h) Deleting of 4.2 “Interaction coupling/buffer”;
i) Modification of the following figures:
Figure E.1 — Draw hook - Location of the test samples;
Figure E.3 — Drawbar - Location of the test samples;
Figure F.2 — Test facility for the tensile test of the screw coupling;
Figure F.5 — Screw – test sample location;
Figure F.6 — Shackle – test sample location;
Figure G.1 — Elastic device – load cycle for endurance test;
Figure G.2 — Elastic device – Set up for endurance test;
j) editorial modifications.
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SIST EN 15566:2022
EN 15566:2022 (E)
This document has been prepared under a standardization request addressed to CEN by the European
Commission, and it aims to support essential or other requirements of EU Directive(s) or Regulation(s).
For relationship with EU Directive(s) or Regulation(s), see informative Annex ZA, which is an integral
part of this document.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following 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, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
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SIST EN 15566:2022
EN 15566:2022 (E)
Introduction
This document is based on UIC 520:2003, UIC 825:1985, UIC 826:2004, UIC 827-1:1990 and UIC 827-
2:1981.
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SIST EN 15566:2022
EN 15566:2022 (E)
1 Scope
This document specifies the requirements for the draw gear and screw coupling for the end of rolling
stock that is required to couple with other rolling stock (freight wagons, locomotives, passenger
vehicles, etc.).
This document covers the functionality, construction, interfaces and testing including pass/fail criteria
for draw gear and screw coupling.
The document describes three categories of draw gear and screw coupling, (1 MN, 1,2 MN and 1,5 MN).
Provisions going beyond the scope of this document may be agreed in the Technical Specification. The
Technical Specification is not a mandatory document.
Coupling systems between permanently coupled vehicle units are not in the scope of this document.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1369:2012, Founding - Magnetic particle testing
EN 1371-1:2011, Founding - Liquid penetrant testing- Part 1: Sand, gravity die and low pressure die
castings
EN 10021:2006, General technical delivery conditions for steel products
EN 10025-2:2019, Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-
alloy structural steels
EN 10079:2007, Definition of steel products
EN 10168:2004, Steel products - Inspection documents - List of information and description
EN 10204:2004, Metallic products - Types of inspection documents
EN 10228-1:2016, Non-destructive testing of steel forgings - Part 1: Magnetic particle inspection
EN 10228-2:2016, Non-destructive testing of steel forgings - Part 2: Penetrant testing
EN 10243-1:1999, Steel die forgings - Tolerances on dimensions - Part 1: Drop and vertical press forgings
EN 10243-2:1999, Steel die forgings - Tolerances on dimensions - Part 2: Upset forging made on
horizontal forging machines
EN 10308:2001, Non destructive testing - Ultrasonic testing of steel bars
EN ISO 148-1:2016, Metallic materials - Charpy pendulum impact test - Part 1: Test method (ISO 148-
1:2016)
EN ISO 148-2:2016, Metallic materials - Charpy pendulum impact test - Part 2: Verification of testing
machines (ISO 148-2:2016)
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SIST EN 15566:2022
EN 15566:2022 (E)
EN ISO 148-3:2016, Metallic materials - Charpy pendulum impact test - Part 3: Preparation and
characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines (ISO
148-3:2016)
EN ISO 377:2017, Steel and steel products - Location and preparati
...
SLOVENSKI STANDARD
oSIST prEN 15566:2019
01-september-2019
Železniške naprave - Železniška vozila - Vlečna naprava in vijačna spenjača
Railway applications - Railway Rolling stock - Draw gear and screw coupling
Bahnanwendungen - Schienenfahrzeuge - Zugeinrichtung und Schraubenkupplung
Applications ferroviaires - Matériel roulant ferroviaire - Organe de traction et tendeur
d'attelage
Ta slovenski standard je istoveten z: prEN 15566
ICS:
45.060.10 Vlečna vozila Tractive stock
oSIST prEN 15566:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 15566:2019
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oSIST prEN 15566:2019
DRAFT
EUROPEAN STANDARD
prEN 15566
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2019
ICS 45.060.01 Will supersede EN 15566:2016
English Version
Railway applications - Railway Rolling stock - Draw gear
and screw coupling
Applications ferroviaires - Matériel roulant ferroviaire Bahnanwendungen - Schienenfahrzeuge -
- Organe de traction et tendeur d'attelage Zugeinrichtung und Schraubenkupplung
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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-CENELEC
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, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15566:2019 E
worldwide for CEN national Members.
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oSIST prEN 15566:2019
prEN 15566:2019 (E)
Contents Page
European foreword . 7
Introduction . 9
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 11
4 Requirements for all types of draw gear and screw coupling. 14
4.1 Classification and designation . 14
4.2 Interface dimension for freight wagons. 14
4.3 Lifetime . 15
5 Draw gear . 16
5.1 Draw gear components . 16
5.2 Draw hook and drawbar – Requirements . 17
6 Screw coupling . 17
6.1 General requirements . 17
6.2 Screw coupling – Requirements. 20
7 Elastic device . 20
7.1 Characteristics of elastic device . 20
7.2 Elastic device – Requirements . 21
Annex A (normative) Dynamic test (fatigue test) procedure . 22
A.1 Background . 22
A.2 Performance of the test . 22
A.2.1 Conditioning . 22
A.2.2 Dynamic test (fatigue test) . 22
A.2.3 Non-destructive tests . 24
A.2.4 Determination of residual strength . 24
A.2.5 Macrographic and Micrographic tests . 24
A.3 Criteria of acceptance . 24
Annex B (normative) Draw hook — dimensions . 26
Annex C (normative) Draw gear — Interface dimension . 27
Annex D (normative) Screw coupling components - dimensions . 28
Annex E (normative) Draw hook and drawbar - Requirements . 30
E.1 Physical characteristics . 30
E.1.1 Appearance . 30
E.1.2 Integrity . 30
E.1.3 Material examination . 30
E.2 Geometrical characteristics . 31
E.3 Mechanical characteristics . 31
E.3.1 Tensile test on test piece . 31
E.3.2 Resilience . 31
E.3.3 Hardness . 31
E.3.4 Tensile test on draw hook and drawbar . 31
E.3.5 Compressive test on draw hook for locomotives. 32
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oSIST prEN 15566:2019
prEN 15566:2019 (E)
E.4 Marking . 32
E.5 Manufacture. 32
E.5.1 General on drawbars . 32
E.5.2 General on draw hooks . 32
E.5.3 Machining . 32
E.5.4 Heat treatment . 32
E.5.5 Rectification of defects. 33
E.6 Acceptance . 33
E.6.1 General . 33
E.6.2 Inspection of the draw hooks . 35
E.6.3 Inspection of drawbars . 38
E.6.4 Conclusion of the inspections . 39
E.7 Delivery . 40
E.7.1 Protection against corrosion . 40
E.7.2 Packaging . 40
Annex F (normative) Screw coupling and components parts — Requirements . 41
F.1 Materials . 41
F.2 Physical characteristics . 41
F.2.1 Appearance . 41
F.2.2 Soundness . 41
F.2.3 Additional requirements for screw coupling . 42
F.3 Geometrical characteristics . 42
F.3.1 General . 42
F.3.2 Dimensions limited either by two unmachined or rough machined surfaces or by
one unmachined or rough machined surface . 42
F.3.3 Dimensions limited by two machined surfaces . 43
F.4 Mechanical characteristics . 43
F.4.1 Heat treatment . 43
F.4.2 Hardness . 43
F.4.3 Values for predetermined breaking loads for the weakest part . 43
F.4.4 Resilience. 44
F.4.5 Requirements for screw coupling . 44
F.4.6 Requirement for handle and trunnion . 46
F.5 Marking . 46
F.6 Manufacture. 46
F.6.1 Preparation of the materials . 46
F.6.2 Manufacture of the component parts . 46
F.7 Acceptance . 48
F.7.1 General . 48
F.7.2 Inspection of the manufacture . 48
F.8 Inspection of the materials, component parts and screw couplings. 48
F.8.1 Materials submission for acceptance . 48
F.8.2 Grouping into batches . 49
F.8.3 Nature and proportion of the tests . 49
F.8.4 Sampling and preparation of the samples and test pieces . 50
F.8.5 Carrying out of the checks and tests . 54
F.9 Completion of inspections . 56
F.10 Delivery . 56
F.10.1 Protection against oxidation . 56
F.10.2 Packing . 56
Annex G (normative) Elastic device — Requirements . 57
G.1 Rubber elastomer or other elastomer elastic device . 57
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prEN 15566:2019 (E)
G.1.1 General . 57
G.1.2 Metal inserts requirements . 57
G.1.3 Elastomer requirements . 57
G.1.4 Static test . 59
G.1.5 Endurance test . 59
G.1.6 Bonding . 61
G.1.7 Inspection and tests . 61
G.1.8 Markings . 62
G.2 Friction spring/ Ring spring . 63
G.2.1 Manufacturer's marks . 63
G.2.2 Flexibility test . 63
G.2.3 Endurance test . 64
Annex H (normative) Marking . 65
H.1 Marking of the draw hook . 65
H.2 Marking of the screw coupling . 65
H.3 Draw gear . 66
H.4 Drawbar . 66
H.5 Summary of markings . 67
Annex I (informative) Microscopic examination of steel materials using standard diagrams
to assess the content of non-metallic inclusions . 68
I.1 General . 68
I.1.1 Degree of purity . 68
I.1.2 Standard diagram plate No. 1 . 68
I.2 Preparation of specimens . 68
I.3 Structure and use of standard diagram plate No. 1 . 68
I.3.1 Use of diagram plate No. 1 . 68
I.3.2 Rating a single inclusion . 69
I.3.3 Rating of very small inclusions . 69
I.4 Test procedure . 69
I.4.1 Magnification . 69
I.4.2 Selection of inclusions . 69
I.5 Evaluation . 70
I.5.1 General . 70
I.5.2 Method of evaluation . 70
I.5.3 Calculation procedure for evaluation using method K . 70
I.6 Example . 72
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2008/57/EC aimed to be covered . 74
Bibliography . 77
Figures
Figure 1 — Force stroke diagram for stored and absorbed energy . 13
Figure 2 — Support plate — Interface dimension for freight wagons . 15
Figure 3 — Draw gear — Assembly . 17
Figure 4 — Standard screw coupling with non-loosening hinged ball handle . 19
Figure 5 — Standard screw coupling with hinged handle with non-loosening upper rest . 20
Figure A.1 — Example of load cycles Step 1 and Step 2 . 23
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oSIST prEN 15566:2019
prEN 15566:2019 (E)
Figure B.1 — Draw hook . 26
Figure C.1 — Drawbar with “fork” and safety device . 27
Figure C.2 — Joint pin . 27
Figure D.1 — Coupling hook pin . 28
Figure D.2 — Handles . 28
Figure D.3 — Shackle . 29
Figure E.1 — Location of the test samples . 37
Figure E.2 — Marking of the draw hook for the tensile test . 38
Figure E.3 — Location of the test samples . 39
Figure F.1 — Location of the measurement of the deformation of the screw coupling . 44
Figure F.2 — Test facility for the tensile test of the screw coupling . 45
Figure F.3 — Measurement of the screw coupling . 45
Figure F.4 — Permitted depth of the fold in thread profile . 47
Figure F.5 — Screw — test sample location . 51
Figure F.6 — Shackle — test sample location . 52
Figure F.7 — Coupling link — test sample location . 52
Figure F.8 — Trunnion nut (link fitting) — test sample location . 53
Figure F.9 — Trunnion nut (shackle fitting) — test sample location . 53
Figure F.10 — Pin — Test sample location . 54
Figure G.1 — Elastic device — load cycle for endurance test . 60
Figure G.2 — Elastic device — set up for endurance test . 61
Figure H.1 — Location of mark . 66
Figure H.2 — Mark dimension . 66
Tables
Table A.1 — Pre-loading values . 22
Table A.2 — Condition of dynamic tests for all parts except screw coupling. 23
Table A.3 — Conditions of dynamic tests for screw coupling . 24
Table E.1 — Requirements . 31
Table E.2 — Checks and Tests . 33
Table F.1 — Requirements . 42
Table F.2 — Load of link . 43
Table F.3 — Breaking load screw . 44
Table F.4 — Proportion of the tests - Finished products and component parts . 50
Table G.1 — Characteristics of the constituents . 57
Table G.2 — Nature of inspections and tests .
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