1、June 2017 English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 53.040.20!%fF“2679635www.din.deDIN
2、EN ISO 15236-2Steel cord conveyor belts Part 2: Preferred belt types (ISO 152362:2017);English version EN ISO 152362:2017,English translation of DIN EN ISO 15236-2:2017-06StahlseilFrdergurte Teil 2: Bevorzugte Gurttypen (ISO 152362:2017);Englische Fassung EN ISO 152362:2017,Englische bersetzung von
3、DIN EN ISO 15236-2:2017-06Courroies transporteuses cbles dacier Partie 2: Types de courroies recommandes (ISO 152362:2017);Version anglaise EN ISO 152362:2017,Traduction anglaise de DIN EN ISO 15236-2:2017-06SupersedesDIN EN ISO 152362:200409www.beuth.deDocument comprises 15 pagesDTranslation by DIN
4、-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.05.17 DIN EN ISO 15236-2:2017-06 2 A comma is used as the decimal marker. National foreword This document has been prepared by Technical Committee ISO/TC 41 “Pulleys and belts (including veebelts)” (Secr
5、etariat: SAC, China), Subcommittee SC 3 “Conveyor belts” (twin Secretariat: SAC, China and JISC, Japan) and has been taken over as EN ISO 15236-2:2017 by Technical Committee CEN/TC 188 “Conveyor belts” (Secretariat: SNV, Switzerland). The responsible German body involved in its preparation was DIN-N
6、ormenausschuss Elastomer-Technik (DIN Standards Committee Elastomer Technology), Working Committee NA 045-02-05 AA “Conveyor belts”. DIN EN ISO 15236 consists of the following parts, under the general title “Steel cord conveyor belts”: Part 1: Design, dimensions and mechanical requirements for conve
7、yor belts for general use Part 2: Preferred belt types Part 3: Special safety requirements for belts for use in underground Part 4: Vulcanized belt joints The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 15236-1:2016 DIN EN ISO 15236-1 1
8、)ISO 15236-4 DIN EN ISO 15236-4 Amendments This standard differs from DIN EN ISO 15236-2:2004-09 as follows: a) the standard has been editorially and technically revised; b) Clause 2 “Normative references” has been included; c) Clause 3 “Terms and definitions” has been included; d) Clause 4 “Symbols
9、 and units” has been included; e) in Table 2, types 500 and 630, at belt width 1200, the number of cords has been amended; f) Clause 7 has been revised; g) in Table 6, requirements for types 2250, 2500 and 2800 have been extended; h) in Table 7, requirements for types 2250, 2500, 2800 and 3150 have
10、been extended. 1)In preparation. DIN EN ISO 15236-2:2017-06 3 Previous editions DIN EN ISO 15236-2: 2004-09 National Annex NA (informative) Bibliography DIN EN ISO 15236-1, Steel cord conveyor belts Part 1: Design, dimensions and mechanical requirements for conveyor belts for general use DIN EN ISO
11、15236-4, Steel cord conveyor belts Part 4: Vulcanized belt joints DIN EN ISO 15236-2:2017-06 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15236-2 January 2017 ICS 53.040.20 Supersedes EN ISO 15236-2:2004English Version Steel cord conveyor belts - Part 2
12、: Preferred belt types (ISO 15236-2:2017) Courroies transporteuses cbles d acier - Partie 2: Types de courroies recommandes(ISO 15236-2:2017) Stahlseil-Frdergurte - Teil 2: Bevorzugte Gurttypen (ISO 15236-2:2017) This European Standard was approved by CEN on 24 January 2017. CEN members are bound to
13、 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-CE
14、NELEC 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 t
15、he same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem
16、bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-100
17、0 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15236-2:2017 EForeword .4Introduction .51 Scope . 62 Normative references 63 Terms and definitions . 64 Symbols and units . 65 General remarks . 76 Belt types A .
18、77 Belt types B .98 Belt types C 10Contents PageEN ISO 15236-2:2017 (E) DIN EN ISO 15236-2:2017-06 2European foreword .3European foreword This document (EN ISO 15236-2:2017) has been prepared by Technical Committee ISO/TC 41 “Pulleys and belts (including veebelts)” in collaboration with Technical Co
19、mmittee CEN/TC 188 “Conveyor belts” the secretariat of which is held by SNV. 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 July 2017, and conflicting national standards shall be withdrawn at the
20、 latest by July 2017. Attention 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. This document supersedes EN ISO 15236-2:2004. According to the C
21、EN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hung
22、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15236-2:2017 has been approved by CEN as EN ISO 15236-2:2017 w
23、ithout any modification. EN ISO 15236-2:2017 (E) DIN EN ISO 15236-2:2017-06 3 ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO
24、 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates cl
25、osely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria
26、 needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of pat
27、ent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used
28、 in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) princ
29、iples in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this document is ISO/TC 41, Pulleys and belts (including veebelts), Subcommittee SC 3, Conveyor belts.This second edition cancels and replaces the first edition (ISO 1523
30、6-2:2004), which has been technically revised.A list of all the parts in the ISO 15236 series can be found on the ISO website.EN ISO 15236-2:2017 (E) DIN EN ISO 15236-2:2017-06 4 IntroductionSteel cord conveyor belts are mainly long belts which are manufactured by joining several delivery lengths on
31、 the site. To achieve joints with a high dynamic capability from belts supplied by various manufacturers, it is necessary to standardize some features, e.g. thickness of carcass or cord pitch and cord diameter.EN ISO 15236-2:2017 (E) DIN EN ISO 15236-2:2017-06 5 1 ScopeThis document specifies prefer
32、red types of conveyor belts with steel cords in the longitudinal direction as reinforcement. The belt type series in this document are based on the general requirements for construction given in ISO 15236-1.2 Normative referencesThe following documents are referred to in the text in such a way that
33、some or all of their content constitutes requirements of this document. For dated references, only the edition indicated applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 15236-1:2016, Steel cord conveyor belts Part 1: Design, dimen
34、sions and mechanical requirements for conveyor belts for general useISO 15236-4, Steel cord conveyor belts Part 4: Vulcanized belt joints3 Terms and definitionsNo terms and definitions are listed in this document.ISO and IEC maintain terminological databases for use in standardization at the followi
35、ng addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp4 Symbols and unitsFor the purposes of this document, the symbols and the units given in Table 1 apply.Table 1 Symbols and unitsSymbol Explanation UnitB Belt width
36、 mmFbsBreaking strength of the cord taken from the cured belt kNKNNominal breaking strength per width of belt N/mmbKCalculated edge width mmd Cord diameter mmn Number of cords s Cover thickness mms6Carcass thickness mmEN ISO 15236-2:2017 (E) DIN EN ISO 15236-2:2017-06 6 Symbol Explanation Unitt Cord
37、 spacing/pitch mmminMinimum value maxMaximum value 5 General remarksThe belt types described in this document are a selection out of the unlimited number of possible constructions; belts of the types A and B have been manufactured and installed in large quantities.It is the general conception of the
38、se belt types that belts of a certain nominal breaking strength have equal cords and cord pitches or at least equal thickness of the carcass.The requirements regarding belt design, i.e. cord diameter and cord pitch, depend on the mode of joint that will be applied. In accordance with ISO 15236-4, th
39、ere are three types of vulcanized joints: interlaced stepped joints; plain stepped joints; finger joints.For high performance stepped joints, it is essential that the belts to be joined have equal cord pitch and cord diameter. For belts to be joined by finger joints, the cord pitch and cord diameter
40、 are of less importance; what matters is a similar thickness of the carcass. In Tables 2, 3, 4 and 5, therefore, cord diameter, cord pitch and number of cords are specified only for those types which are usually joined by stepped joints, i.e. belt types A1, A2 and B2.The cord numbers given in Tables
41、 2, 3 and 5 are for guidance only. They result from Formula (1):nKBFmin=Nbs1000(1)and from the requirement that the edge width shall be not larger than 40 mm and not smaller than 15 mm, i.e.15 bk 40A higher number of cords as well as a smaller number of cords can be applied provided that the require
42、ments for minimum breaking strength specified in ISO 15236-1 and ISO 15236-4 are met. The belt breaking strengths are calculated by Formula (2):KFnBNbs=1000(2)For the purposes of this document, the symbols and units given in Table 1 apply.6 Belt types ABelt types A shall be manufactured with steel c
43、ords where the individual wires have been zinc coated by a hot dip process. Requirements for belt types A1 and A2 shall be as given in Tables 2 and 3, respectively.NOTE Belt types A are designed for interlaced stepped belt joints with numbers of steps between 1 and 4. The t/d ratio of the A2 belt ty
44、pes is somewhat lower than that of the belt types A1 resulting in thinner cords for comparable tensile strengths and in most cases a higher number of steps within the joint.Table 1 (continued)EN ISO 15236-2:2017 (E) DIN EN ISO 15236-2:2017-06 7 Table 2 Requirements for belt types A1Type of beltUnit
45、500 630 800 1 000 1 250 1 400 1 600 1 800 2 000 2 250 2 500 2 800 3 150 3 500 4 000 4 500 5 000 5 400Min. breaking strength KN min.N/mm500 630 800 1 000 1 250 1 400 1 600 1 800 2 000 2 250 2 500 2 800 3 150 3 500 4 000 4 500 5 000 5 400Max. cord diameter dmax.mm 3,0 3,0 3,7 4,2 4,9 5,0 5,6 5,6 5,6 5
46、,6 7,2 7,2 8,1 8,6 8,9 9,7 10,9 11,3Min. breaking load of the cord Fbs min.kN 7,6 7,6 10,3 12,9 18,4 20,6 26,2 25,5 25,5 26,2 39,7 39,7 50,0 55,5 63,5 75,0 90,3 96,0Cord pitch, tmm 14,0 11,0 12,0 12,0 14,0 14,0 15,0 13,5 12,0 11,0 15,0 13,5 15,0 15,0 15,0 16,0 17,0 17,0Min. thickness of covers smin.
47、mm 4,0 4,0 4,0 4,0 4,0 4,0 4,0 4,0 4,0 4,0 5,0 5,0 5,5 6,0 6,5 7,0 7, 5 8,0Belt width B in mmTole- rance in mmNumber of cords, n500 +10/-5 33 42 39 39 34 34 31 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A650 +10/-7 44 54 51 51 45 45 41 46 52 56 41 46 41 41 41 39 36 N/A800 +10/-854 68 64 63 55 55 50 5
48、7 64 69 51 57 51 51 51 48 45 451 000 10 68 84 80 80 68 68 63 71 80 86 63 71 63 64 63 60 56 571 200 10 84 107 97 97 82 82 76 85 96 104 76 85 76 76 76 72 67 681 400 12 96 124 114 113 97 97 90 100 112 122 89 99 89 89 89 84 79 791 600 12 111 142 130 130 111 111 103 114 129 140 102 114 102 102 102 96 90 901 800 14 125 160 147 147 125 125 116 1
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