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1、BRITISH STANDARD BS EN 1677-5:2001 Components for slings Safety Part 5: Forged steel lifting hooks with latch Grade 4 ICS 53.020.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW +A1:2008 Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) B
2、SI This British Standard was published under the authority of the Standards Committee and comes into effect on 15 June 2001 BS EN 1677-5:2001+A1:2008 National foreword This British Standard is the UK implementation of EN 1677-5:2001+A1:2008. It supersedes BS EN 1677-5:2001 which is withdrawn. The st
3、art and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by . The UK participation in its preparation was entrusted to Technical Co
4、mmittee MHE/1, Chains and fittings. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British
5、 Standard cannot confer immunity from legal obligations. ISBN Amendments/corrigenda issued since publication Date Comments Implementation of CEN amendment A1:2008 BSI 2009 0 April 2009 978 0 580 64317 0 3 Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI EURO
6、PEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1677-5:2001+A1 November 2008 ICS 53.020.30 Supersedes EN 1677-5:2001 English Version Components for slings - Safety - Part 5: Forged steel lifting hooks with latch - Grade 4 Accessoires pour lingues - Scurit - Partie 5: Crochets de levage en acier for
7、g linguet - Classe 4 Einzelteile fr Anschlagmittel - Sicherheit - Teil 5: Geschmiedete Haken mit Sicherungsklappe - Gteklasse 4 This European Standard was approved by CEN on 18 February 2001 and includes Amendment 1 approved by CEN on 9 September 2008. CEN members are bound to comply with the CEN/CE
8、NELEC 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 a
9、ny 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
10、. 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
11、, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR 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 M
12、embers. Ref. No. EN 1677-5:2001+A1:2008: E Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI EN 1677-5:2001+A1:2008 (E) 2 Contents Page Foreword3 Introduction.4 1 Scope 4 2 Normative references4 3 Terms and definitions .5 4 Hazards.6 Table 1 Hazards and assoc
13、iated requirements.6 5 Safety requirements 6 5.1 Design.6 5.2 Dimensions.7 Figure 1 Dimensions of hook7 Table 2 Dimensions of hooks (see Figure 1).8 5.3 Materials and heat treatment8 Table 3 Sulfur and phosphorous content9 Table 4 Silicon content9 5.4 Manufacturing methods and workmanship 9 5.5 Mech
14、anical properties.10 5.6 Hook latches.10 Table 5 Torque values for latches guidance 11 Figure 2 Application of forces for type testing of the latch.11 6 Verification of safety requirements12 6.1 Qualification of personnel 12 6.2 Type tests .12 6.3 Manufacturing proof tests 13 6.4 Manufacturing test
15、regime and acceptance criteria.13 Table 6 Number of hooks in a lot13 6.5 Hook latches.14 7 Marking.14 8 Manufacturers certificate.14 9 Instructions for use .15 Annex A (informative) Bases for the calculation of hook dimensions 16 Annex B (informative) Designation system for hooks - Grade 417 B.1 Des
16、ignation 17 B.2 General format .17 Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC“.18 Annex ZB (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC“.19 Bibliog
17、raphy20 Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI BS EN 1677-5:2001+A1:2008 EN 1677-5:2001+A1:2008 (E) 3 Foreword This document (EN 1677-5:2001+A1:2008) has been prepared by Technical Committee CEN/TC 168 “Chains, ropes, webbing, slings and accessorie
18、s - 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 May 2009, and conflicting national standards shall be withdrawn at the latest by December 2009
19、. This document supersedes EN 1677-5:2001. This document includes Amendment 1, approved by CEN on 2008-09-09. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. This European Standard has been prepared under a mandate given to CEN by the European Com
20、mission 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.“ The other Parts of EN 1677 for components for slings are: Part 1: Forged ste
21、el components - Grade 8 Part 2: Forged steel lifting hooks with latch - Grade 8 Part 3: Forged steel self-locking hooks - Grade 8 Part 4: Links - Grade 8 Part 6: Links - Grade 4 Annexes A and B of this European Standard are informative. According to the CEN/CENELEC Internal Regulations, the national
22、 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, Pola
23、nd, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI BS EN 1677-5:2001+A1:2008 EN 1677-5:2001+A1:2008 (E) 4 Introduction This European Standard has been prepared to be a ha
24、rmonized standard providing one means of complying with the essential safety requirements of the Machinery Directive and associated EFTA regulations. The hooks covered by this Part of EN 1677 are normally supplied to be part of a sling, but they may also be used for other applications. In such insta
25、nces it is important that the hook design is checked to ensure its fitness for the intended use. The extent to which hazards are covered is indicated in the scope. In addition, lifting equipment shall conform as appropriate to EN 292 for hazards that are not covered by this standard. 1 Scope This Pa
26、rt of EN 1677 specifies requirements for forged steel lifting hooks of grade 4 having latch and eye up to 31,5 t WLL, mainly for use in: chain slings according to EN 818-5 steel wire rope slings according to prEN 13414-1:1998 textile slings according to EN 1492-1, EN 1492-2. intended for lifting obj
27、ects, materials or goods. This Part of EN 1677 does not apply to hand forged hooks. The hazards covered by this Part of EN 1677 are identified in clause 4. Annex A gives the bases for calculation of hook dimensions. Annex B gives an example of a designation system for hooks of grade 4. 2 Normative r
28、eferences 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 o
29、f 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 292-1, Safety of machinery - Basic Concepts - General principles for design - Part 1
30、 : Basic Terminology, methodology EN 292-2:1991/A.1:1995, Safety of machinery - Basic concepts - General principles for design - Part 2 : Technical principles and specifications (Amendment A.1:1995) EN 818-5, Short-link chain for lifting purposes Safety - Part 5: Chain slings - Grade 4 EN 818-6, Sho
31、rt link chain for lifting purposes Safety - Part 6: Chain slings - Specification for information for use and maintenance to be provided by the manufacturer Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI BS EN 1677-5:2001+A1:2008 EN 1677-5:2001+A1:2008 (E)
32、5 EN 1050:1996, Safety of machinery - Principles for risk assessment EN 1492-1, Textile slings Safety - Part 1: Flat woven webbing slings made of man-made fibres EN 1492-2, Textile slings Safety - Part 2: Round slings made of man-made fibres EN 10002-2:1991, Metallic materials - Tensile testing - Pa
33、rt 2: Verification of the force measuring system of the tensile testing machines EN 10025:1990+A1:1993, Hot rolled products of non-alloy structural steels - Technical delivery - conditions prEN 13414-1:1998, Steel wire ropes for slings Safety - Part 1: Wire rope slings EN 45012, General requirements
34、 for bodies operating assessment and certification/registration of quality systems (ISO/IEC Guide 62:1996) EN ISO 9002:1994, Quality systems - Model for quality assurance in production, installation and servicing ISO 643:1983, Steels - Micrographic determination of the ferritic or austenitic grain s
35、ize 3 Terms and definitions For the purposes of this Part of EN 1677, the following terms and definitions apply. 3.1 working load limit (WLL) maximum mass that a hook is authorized to sustain in general lifting service, expressed as a code NOTE This term has the same meaning as the term maximum work
36、ing load used in annex A of EN 292-2:1991/A1:1995. 3.2 manufacturing proof force (MPF) force applied to the hook during the manufacturing proof test 3.3 breaking force (BF) maximum force reached during the static tensile test of the hook, at which the hook fails to retain the load 3.4 traceability c
37、ode series of letters and/or numbers marked on a hook that enables its manufacturing history, including the identity of the cast of steel used, to be traced 3.5 competent person designated person, suitably trained, qualified by knowledge and practical experience, and with the necessary instruction t
38、o enable the required test and examination to be carried out NOTE 4.18 of EN ISO 9002:1994 gives guidance on training. 3.6 lot specified number of hooks from which samples are selected for testing purposes, and that have been manufactured from the same cast of steel and subjected to the same heat tr
39、eatment process Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI BS EN 1677-5:2001+A1:2008 EN 1677-5:2001+A1:2008 (E) 6 4 Hazards Accidental release of a load or, release of a load due to failure of a hook puts at risk, either directly or indirectly, the saf
40、ety or health of those persons within the danger zone. In order to provide the necessary strength and durability of hooks, this Part of EN 1677 gives requirements for the design, manufacture and testing to ensure that specified levels of performance are met. Fatigue failure has not been identified a
41、s a hazard when grade 4 hooks having the specified levels of performance given in this standard are used for general lifting purposes. Since failure can be caused by the incorrect choice of grade and specification of hook, this Part of EN 1677 also gives requirements for marking and the manufacturer
42、s certificate. Errors of fitting can also lead to failure and this Part of EN 1677 contains dimensional requirements to allow correct fit. Risk of injury due to sharp edges, sharp angles or rough surfaces when handling is also covered by this standard. Those aspects of safe use associated with good
43、practice are given in EN 818-6. Table 1 contains those hazards that require action to reduce risk identified by risk assessment as being specific and significant for forged steel hooks of grade 4. Table 1 Hazards and associated requirements Hazards identified in annex A of EN 1050: 1996 Relevant cla
44、use of annex A of EN 292-2 : 1991/A.1 : 1995 Relevant clause/subclause of this Part of EN 1677 1.e Mechanical 1.3.2 5 hazard due to 4.1.2.3 5 inadequacy of 4.1.2.5 5 strength 4.2.4 5 1.7.3 7 1.3 Cutting hazard 1.3.4 5.4 1.8 Friction or abrasion hazard 1.3.4 5.4 15 Errors of fitting hazard 1.5.4 5.2
45、17 Falling objects hazard 1.3.3 5.6 5 Safety requirements 5.1 Design The form of the upper end shall be of the eye type as indicated in Figure 1. The dimensions shall be such as to ensure articulation so that the force imposed is transmitted in the intended direction. Licensed CopyChinese University
46、 of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI BS EN 1677-5:2001+A1:2008 EN 1677-5:2001+A1:2008 (E) 7 NOTE The form of the hook is not specified in detail. For example, a minimum value of dimension F (see Figure 1) as measured in any direction is specified so that the eye of the hook ca
47、n accommodate a pin, but the eye of the hook need not be circular. Each hook shall have a spring loaded latch conforming to 5.6. to ensure that the load cannot become accidentally unhooked. 5.2 Dimensions The principal dimensions of the hooks shall conform to Table 2, in which the hook dimensions ar
48、e related to the working load limit. NOTE For direct use in wire rope slings and/or textile slings, dimension F should be larger than the minimum value given in Table 2 In addition, the following requirements shall be met: a) the actual point height B shall be equal to or greater than the full throa
49、t opening, O, (see Figure 1); b) the full throat opening O shall not exceed 95% of the actual seat diameter D; c) the hook latch shall be capable of closing over the maximum diameter of bar A, as indicated in Figure 1, that can be admitted through the actual throat opening O1. Key 1 Maximum diameter of bar Figure 1 Dimensions of hook Licensed CopyChinese University of Hong Kong, 13/06/2009 05:40, Uncontrolled Copy, (c) BSI BS EN 1677-5:2001+A1:2008 EN 1677-5:2001+A1:2008 (E) 8 Table 2 Dimensions of hook