Terminations for steel wire ropes - Safety - Part 3: Ferrules and ferrule-securing

This European Standard deals with the requirements for the ferrule-securing of eyes and endless loops.
It also deals with the requirements for ferrules for the ferrule-securing of eyes and endless loops.
This European Standard applies to the ferrule-securing of eye terminations formed either by a Flemish eye or turn-back eye and covers ferrules made of non alloy carbon steel and aluminium.
This European Standard applies to slings and assemblies using steel wire ropes for general lifting applications up to and including 60mm diameter conforming to EN 12385-4, lift ropes conforming to EN 12385-5 and spiral strand ropes conforming to EN 12385-10.
Type testing of ferrule-secured systems and manufacturing quality control requirements are also specified.
This European standard deals with all significant hazards, hazardous situations and events relevant to this particular steel wire rope termination when used as intended and under conditions of use which are foreseeable by the manufacturer.
This standard applies to terminations of steel wire ropes with ferrules and ferrule-securing which are manufactured after the date of this publication.
NOTE   One design of ferrule-secured turn-back eye termination using an oval aluminium ferule which satisfies the requirements of this European Standard is given for information in annex A.

Endverbindungen für Drahtseile aus Stahldraht - Sicherheit - Teil 3: Pressklemmen und Verpressen

Diese Europäische Norm behandelt die Anforderungen für das Verpressen von Seilschlaufen und Endlosseilen.
Sie behandelt auch die Anforderungen an die Pressklemmen für das Verpressen von Seilschlaufen und
Endlosseilen.
Diese Europäische Norm gilt für das Verpressen von Flämischen Augen und rückgebogenen Seilschlaufen
und behandelt Pressklemmen aus unlegiertem Kohlenstoffstahl und Aluminium.
Diese Europäische Norm gilt für Anschlagseile und Stahldrahtseile mit verpresster Seil-Endverbindung für
allgemeine Hebezwecke bis zu einem Durchmesser von 60 mm nach EN 12385-4, aus Aufzugsseilen nach
EN 12385-5 und Spiralseilen nach EN 12385-10.
Die Baumusterprüfung des Pressklemmensystems und die Anforderungen an die Qualitätskontrolle bei der
Herstellung sind ebenfalls festgelegt.
Diese Europäische Norm behandelt alle wesentlichen Gefährdungen, gefährlichen Situationen und Ereignisse,
die für diese besondere Seil-Endverbindung von Bedeutung sind, wenn sie wie vorgesehen und unter
Bedingungen, wie sie vom Hersteller als vorhersehbar gelten können, angewendet werden.
Diese Norm gilt für Seil-Endverbindungen mit Pressklemmen und für Verpressungen, die nach dem
Erscheinungsdatum hergestellt wurden.
ANMERKUNG Eine Ausführung von verpressten rückgebogenen Seilschlaufen, bei der eine ovale Aluminiumpressklemme
verwendet wird und die die Anforderungen dieser Europäischen Norm erfüllt, ist in Anhang A zur Information
angegeben.

Terminaisons pour câbles en acier - Sécurité - Partie 3: Manchons et boucles manchonnées

La présente Norme européenne traite des prescriptions relatives au manchonnage des boucles manchonnées et des
oeillets épissés.
Elle traite également des prescriptions relatives aux manchons utilisés pour le manchonnage des boucles et
des oeillets épissés.
La présente Norme européenne s'applique au manchonnage des terminaisons à boucle formées d'un oeil flamand
ou d'une boucle manchonnée à brins parallèles et traite des manchons constitués !d'acier au carbone non allié
et d'aluminium."
La présente Norme européenne s'applique aux élingues et assemblages qui utilisent des câbles en acier
pour des applications de levage générales jusqu'à et y compris un diamètre de 60 mm conformément à l'EN 12385-4,
des câbles pour ascenseurs conformément à l'EN 12385-5 et des câbles spiraloïdaux conformément à l'EN 12385-10.
Des essais de type des systèmes manchonnés et les prescriptions relatives au contrôle de qualité de fabrication sont
également spécifiés.
La présente Norme européenne traite de tous les phénomènes dangereux et de toutes les situations et événements
dangereux significatifs correspondant à cette terminaison de câble en acier particulière lorsqu'elle est utilisée tel que
prévu et dans les conditions d'utilisation prévisibles par le fabricant.
La présente norme s'applique aux terminaisons de câbles en acier à boucles manchonnées fabriquées après sa date
de publication.
NOTE Un modèle de terminaison à boucle manchonnée à brins parallèles utilisant un manchon ovale en aluminium
satisfaisant aux prescriptions de la présente Norme européenne est donné pour information dans l'Annexe A.

Zaključki jeklenih žičnih vrvi - Varnost - 3. del: Stisne puše in stiskanje

General Information

Status
Withdrawn
Publication Date
04-Nov-2008
Withdrawal Date
04-Apr-2023
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
31-Mar-2023
Due Date
23-Apr-2023
Completion Date
05-Apr-2023

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Endverbindungen für Drahtseile aus Stahldraht - Sicherheit - Teil 3: Pressklemmen und VerpressenTerminaisons pour câbles en acier - Sécurité - Partie 3: Manchons et boucles manchonnéesTerminations for steel wire ropes - Safety - Part 3: Ferrules and ferrule-securing77.140.99Drugi železni in jekleni izdelkiOther iron and steel products53.020.30Pribor za dvigalno opremoAccessories for lifting equipmentICS:Ta slovenski standard je istoveten z:EN 13411-3:2004+A1:2008SIST EN 13411-3:2004+A1:2008en,fr01-december-2008SIST EN 13411-3:2004+A1:2008SLOVENSKI
STANDARD



SIST EN 13411-3:2004+A1:2008



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13411-3:2004+A1
October 2008 ICS 21.060.70; 53.020.30 Supersedes EN 13411-3:2004English Version
Terminations for steel wire ropes - Safety - Part 3: Ferrules and ferrule-securing
Terminaisons pour câbles en acier - Sécurité - Partie 3: Manchons et boucles manchonnées
Endverbindungen für Drahtseile aus Stahldraht -Sicherheit - Teil 3: Pressklemmen und Verpressen This European Standard was approved by CEN on 16 April 2004 and includes Corrigendum 1 issued by CEN on 19 October 2005 and Amendment 1 approved by CEN 18 September 2008.
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 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 Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, 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
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
B-1050 Brussels © 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13411-3:2004+A1:2008: ESIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 2 Contents page Foreword.4 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 List of hazards.7 5 Safety requirements and/or measures.8 5.1 Ferrule-secured system.8 5.1.1 General.8 5.1.2 Type testing.8 5.1.3 Instructions to be provided by the ferrule-secured system designer.10 5.2 Ferrules.10 5.2.1 Material.10 5.2.2 Dimensions.10 5.2.3 Manufacture and quality control of ferrule.10 5.2.4 Certificate.11 5.2.5 Marking.11 5.3 Ferrule-securing.11 5.3.1 General.11 5.3.2 Matching of ferrule to wire rope.11 5.3.3 Forming the eye.11 5.3.4 Pressing the ferrule.13 5.3.5 Quality control after pressing of the ferrule.13 6 Verification of the safety requirements and/or measures.14 6.1 Qualification of personnel.14 6.2 Tensile type test (FSET system designer).14 6.3 Fatigue type test (FSET system designer).14 6.4 Fatigue type test of Flemish eye ferrule-secured termination of crane hoist rope (FSET system designer).14 6.5 Ferrule dimensions before pressing (Ferrule manufacturer).14 6.6 Manufacture and quality control of ferrule (Ferrule manufacturer).14 6.7 Ferrules (FSET or ferrule-secured endless loop manufacturer).14 6.8 Matching of ferrule to wire rope (FSET or ferrule-secured endless loop manufacturer).14 6.9 Forming the eye (FSET or ferrule-secured endless loop manufacturer).15 6.10 Pressing the ferrule (FSET or ferrule-secured endless loop manufacturer).15 6.11 Quality control after pressing the ferrule(s) (FSET or ferrule-secured endless loop manufacturer).15 7 Information for use.15 7.1 Marking.15 7.2 Certificate.15 Annex A (informative)
Specification for one design of turn-back eye ferrule-secured termination.16 A.1 General.16 A.2 Types of terminations.16 A.3 Ropes for this design of ferrule.18 A.3.1 General.18 A.3.2 Rope types.18 A.3.3 Metallic cross sectional area factor.18 A.3.4 Rope grade.18 A.3.5 Types of rope lay.18 SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 3 A.4 Tubing.18 A.4.1 General.18 A.4.2 Material.18 A.4.3 Straightness.18 A.4.4 Wall thickness.19 A.5 Identification and dimensions of ferrules (unpressed).19 A.6 Matching wire rope to ferrule.22 A.7 Making the eye termination.25 A.7.1 Positioning of ferrule (Types A and B).25 A.7.2 Pressing the ferrule.25 A.7.3 Ferrules after pressing.25 A.8 Information for use.27 A.8.1 Identification marks.27 A.8.2 Temperature limits.27 Annex ZA (informative) !!!!Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC"""".28 Annex ZB (informative) !!!!Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC"""".29 Bibliography.30
SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 4 Foreword This document (EN 13411-3:2004+A1:2008) has been prepared by Technical Committee CEN/TC 168 “Chains, ropes, webbing, slings and accessories - Safety”, the secretariat of which is held by BSI. 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 April 2009, and conflicting national standards shall be withdrawn at the latest by December 2009. This document supersedes EN 13411-3:2004. This document includes Amendment 1, approved by CEN on 2008-09-18 and includes Corrigendum 1 issued by CEN on 19 October 2005. The start and finish of text introduced or altered by amendment is indicated in the text by tags !". The modifications of the related CEN Corrigendum have been implemented at the appropriate places in the text and are indicated by the tags ˜ ™. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). !For relationship with EU Directive(s), see informative Annexes ZA and ZB, which are integral parts of this document." Annex A is informative. EN 13411 consists of the following parts: Part 1: Thimbles for steel wire rope slings
Part 2: Splicing of eyes for wire rope slings Part 3: Ferrules and ferrule-securing Part 4: Metal and resin socketing Part 5: U-bolt wire rope grips Part 6: Asymmetric wedge socket Part 7: Symmetric wedge socket
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, 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.
SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 5 Introduction This European Standard is a Type C Standard as stated in EN 1070. This European Standard has been prepared to provide a means of conforming with the essential requirements of the Machinery Directive and associated EFTA regulations. Purchasers ordering to this standard are advised to specify in their purchasing contract that the supplier operates an independently verified quality assurance system to ensure themselves that products claimed to comply consistently achieve the required level of quality. It is understood that type testing of a ferrule-secured eye termination system is the responsibility of the ferrule-secured eye termination system designer. It is also understood that the ferrule supplier is responsible for ensuring that the material, design and quality of the ferrule is in accordance with the ferrule-secured eye system designer’s specification. Ferrule-secured eyes manufactured by the ferrule-secured eye termination producer in accordance with this standard are permitted for use as rope terminations in the production of steel wire rope slings. They are also used as terminations for steel wire rope assemblies for raising, lowering and supporting loads. The steel wire rope terminations concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this document. When provisions of this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, for steel wire rope terminations that have been designed and produced according to the provisions of this type C standard. SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 6 1 Scope This European Standard deals with the requirements for the ferrule-securing of eyes and endless loops. It also deals with the requirements for ferrules for the ferrule-securing of eyes and endless loops. This European Standard applies to the ferrule-securing of eye terminations formed either by a Flemish eye or turn-back eye and covers ferrules made of non alloy carbon steel and aluminium. This European Standard applies to slings and assemblies using steel wire ropes for general lifting applications up to and including 60mm diameter conforming to EN 12385-4, lift ropes conforming to EN 12385-5 and spiral strand ropes conforming to EN 12385-10. Type testing of ferrule-secured systems and manufacturing quality control requirements are also specified. This European standard deals with all significant hazards, hazardous situations and events relevant to this particular steel wire rope termination when used as intended and under conditions of use which are foreseeable by the manufacturer. This standard applies to terminations of steel wire ropes with ferrules and ferrule-securing which are manufactured after the date of this publication.
NOTE One design of ferrule-secured turn-back eye termination using an oval aluminium ferule which satisfies the requirements of this European Standard is given for information in annex A. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 515, Aluminium and aluminium alloys - Wrought products - Temper designations EN 1050:1996, Safety of machinery – Principles of risk assessment EN 12385-1, Steel wire ropes - Safety - Part 1: General requirements EN 12385-2:2002, Steel wire ropes – Safety – Part 2: Definitions, designation and classification EN 12385-4, Steel wire ropes – Safety – Part 4: Stranded ropes for general lifting applications EN 12385-5, Steel wire ropes – Safety – Part 5: Stranded ropes for lifts EN 12385-10, Steel wire ropes – Safety – Part 10: Spiral ropes for general structural applications
EN ISO 12100-2, Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles (ISO 12100-2:2003) SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 7 3 Terms and definitions For the purposes of this European Standard, the terms and definitions in EN 12385-2:2002 apply together with the following: 3.1 ferrule-secured eye termination (FSET) eye formed at a rope end secured by means of a ferrule pressed on the rope 3.2 Flemish eye ferrule-secured termination eye formed at a rope end secured by means of a ferrule pressed on the main body of the rope and the tail ends of the strands from the Flemish eye 3.3 turn-back eye ferrule-secured termination eye formed at a rope end secured by means of a ferrule pressed onto the main body of the rope and the tail end 3.4 ferrule-secured endless loop loop secured by ferrules pressed on the overlapping rope ends resulting in an endless rope assembly
3.5 competent person designated person, suitably qualified by knowledge and experience, and with the necessary instruction to ensure that the required operations are correctly carried out 3.6 ferrule-secured system designer
person or organization that designs the ferrule-secured eye termination or ferrule-secured endless loop and assumes responsibility for type testing 3.7 ferrule manufacturer person or organization that manufactures ferrules for a ferrule-secured eye termination or ferrule-secured endless loop system
3.8 ferrule-secured termination manufacturer
person or organization that manufactures the FSET and/or ferrule secured endless loop in accordance with the ferrule-secured termination system designer’s instructions
4 List of hazards This clause contains all the significant hazards, hazardous situations and events, as far as they are dealt with in this standard, identified by risk assessment as significant for this type of steel wire rope termination and which require action to eliminate or reduce the risk. Accidental release of a load due to failure of a FSET puts at risk either directly or indirectly the safety or health of those persons within the danger zone. Table 1 contains those hazards that require action to minimise risk identified by risk assessment as being specific and significant for ferrule-secured eyes and endless loops.
SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 8 Table 1 — Hazards and associated requirements Hazards identified in annex A of EN 1050: 1996 Relevant clause of annex A of EN ISO 12100-2:2003 Relevant clause/sub-clause of this standard 1 Mechanical hazard 1.3 5 1e Inadequacy of mechanical strength
1.3 5 27 Mechanical hazards and hazardous events
27.4 Insufficient mechanical strength of parts 4.1.2.3 5 27.6 Inadequacy of selection of ropes and accessories and their inadequate integration into the machine 4.1.2.5, 4.3.1 5, 7 27.8 Abnormal conditions of assembly/testing/use/ maintenance 4.2.4 6 1.7 Puncture hazard 1.3 5.3.4,
5.3.5 5 Safety requirements and/or measures 5.1 Ferrule-secured system 5.1.1 General The ferrule-secured system shall comply with the safety requirements and/or protection measures of this clause. In addition the ferrule-secured systems shall be designed according to the principles of EN ISO 12100 for relevant hazards but not significant, which are not dealt with in this document. The ferrule-secured system designer shall carry out type testing in accordance with 5.1.2. The ferrule-secured termination system designer shall provide instructions on how to produce the ferrule-secured termination and/or the ferrule-secured endless loop. The instructions shall at least cover those items given in 5.1.3 and be supported with a written declaration that the system has passed the type testing requirements of 5.1.2.
In the particular case of oval ferrules with tapered ends used in the securing of the turn-back eye or endless loop where the rope end is contained within the ferrule, the ferrule-secured system designer shall provide means whereby the position of the rope end before and after pressing can be ascertained. This shall not include verification by marking the rope. Only the parallel portion of a ferrule shall be considered load bearing. 5.1.2 Type testing 5.1.2.1 Sampling
Where the ferrule design follows a mathematical progression throughout a given size range, rope diameter shall be selected for testing to represent the lower and upper quartiles of that range. Where the ferrule design does not follow a mathematical progression throughout a given size range, each rope diameter within that range for which the system is designed shall be selected for testing. For each rope diameter selected as above, the rope grade shall be the highest for which the system is designed and at least three FSETs or three ferrule secured endless loops, whichever is the case, shall be tested. SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 9 NOTE 1 In the case of the FSET the number of tests is regarded as two when the test lengths have a FSET at both ends. Additionally, sampling shall take into account whether the type of ferrule-secured termination is a turn-back eye or Flemish eye or whether it is an endless loop, as follows:
a) Turn-back eye ferrule secured-termination Testing shall be carried out on each of the basic rope types for which the system is designed. For each basic rope type, testing shall be carried out on ropes having the lowest and highest metallic cross-sectional area factors for which the system is designed. NOTE 2 For the purposes of this standard there are four basic rope types, namely single layer rope, rotation-resistant rope, parallel-closed rope and spiral strand rope, refer EN 12385-2 for definitions. b) Flemish-eye ferrule-secured termination Testing shall be carried out on single layer rope having the lowest and highest metallic cross-sectional area factors for which the system is designed.
c) Ferule-secured endless loop Testing shall be carried out on single layer rope having the lowest and highest metallic cross-sectional factor for which the system is designed
5.1.2.2 Tensile test When tested in accordance with 6.2 the FSET shall sustain a force of at least 90% of the minimum breaking force of the rope. NOTE A terminal efficiency of 90% is equivalent to a termination efficiency factor, KT, of 0,9 which is used in the calculation of WLL for slings When tested in accordance with 6.2 the ferrule-secured endless loop shall sustain a force of at least 90% of twice the minimum breaking force of the rope. 5.1.2.3 Fatigue test When tested in accordance with 6.3 for 75 000 cycles followed by a tensile test in accordance with 6.2 the FSET and endless loop shall sustain a force of at least 80% of the minimum breaking force of the rope. Additionally for Flemish eye ferrule-secured terminations of crane hoist ropes a further fatigue test shall be performed on an assembly comprising a solid thimble having a peripheral length equivalent to at least four rope lay lengths. When tested in accordance with 6.4 the ferrule-secured termination shall withstand a minimum of
1x106 cycles and not exhibit a complete strand fracture. SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 10
5.1.3 Instructions to be provided by the ferrule-secured system designer The ferrule-secured system designer shall provide instructions on at least the following: a) preparation of the rope end; b) details of the rope(s) for which the system is designed; c) matching of the ferrule material and size to the rope diameter and type; d) positioning of the rope end; e) procedure for ferrule-securing, i.e. pressing the ferrule; f) alignment, condition and maintenance of the tooling; g) procedure for removal of fins; h) dimensional requirements of the pressed ferrule; i) marking limitations of the ferrule; and j) temperature limits of the ferrule secured system. 5.2 Ferrules 5.2.1 Material The material selected by the ferrule manufacturer shall be non-alloy carbon steel or aluminium and shall conform to the same specification as that used by the ferrule-secured system designer when satisfying the type tests. Non-alloy carbon steel shall be a fully-killed non-ageing normalized steel.
Aluminium shall be in condition F according to EN 515. 5.2.2 Dimensions The dimensions of the ferrule shall be in accordance with those used by the ferrule-secured system designer when satisfying the type tests. 5.2.3 Manufacture and quality control of ferrule The tube from which ferrules are made shall be free from any cracks, folds and surface defects. With the exception of steel ferrules for Flemish eyes, ferrules shall be produced to provide a seam-free hollow product. Extrusion over mandrels with a bridge shall not be used. Electric resistance welding of steel tubes may only take place for flemish eyes and shall be carried out prior to the tube drawing and normalizing processes. For each batch of steel ferrules produced from the same cast of steel and heat treatment a sample ferrule shall be selected and close flattened at ambient temperature, see figure 1. If the sample fails this test a further ten (10) or 3% of the batch of ferrules, whichever is the greater, shall be randomly selected, and all shall pass the flattening test otherwise the whole batch shall be rejected. SIST EN 13411-3:2004+A1:2008



EN 13411-3:2004+A1:2008 (E) 11
Figure 1 — Close-flattened ferrules 5.2.4 Certificate The ferrule manufacturer shall supply a certificate stating that the whole batch of ferrules conforms to the ferrule secured system designer’s specification. 5.2.5 Marking Each ferrule shall be marked with its size and the ferrule manufacturer’s name or mark except in the case of ferrules for use with ropes smaller than 8mm diameter where the marking can be on the package. 5.3 Ferrule-securing 5.3.1 General The procedure adopted by the manufacturer of the ferrule-secured eye termination or endless loop shall be in accordance with 5.3.2 to 5.3.5 and the instructions provided by the ferrule-secured system designer.
Ferrule-securing shall be carried out by a competent person trained in ferrule-securing. 5.3.2 Matching of ferrule to wire rope Determine the rope details from the documentation supplied with the rope, see EN 12385-1 and ensure that the rope is within the scope of the ferrule-secured system as detailed by the ferrule-secured system designer. In some cases it will also be necessary to determine the nominal metallic cross-sectional area factor of the rope, refer
EN 12385 parts 4,5 & 10.
Follow the ferrule-secured system designer’s instructions to select the appropriate ferrule size, taking into account the nominal or measured diameter of the rope, whichever is applicable. 5.3.3 Forming the eye 5.3.3.1 Flemish eye The outer strands of the rope shall be divided into two equal groups. The core shall be assigned to one of these groups. The l
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