BS EN ISO 15147-2012 Light conveyor belts Tolerances on widths and lengths of cut light conveyor belts《轻型输送带 切割轻型输送带的宽度和长度公差》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 15147:2012Light conveyor belts Tolerances on widths andlengths of cut light conveyorbeltsBS EN ISO 15147:2012 BRITISH STANDARDNational forewordThis British Standard is

2、the UK implementation of EN ISO15147:2012. It supersedes BS EN ISO 15147:1999 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/67, Conveyor belts.A list of organizations represented on this committee can beobtained on request to its secretary.This pu

3、blication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 77359 4ICS 53.040.20Compliance with a British Standard cannot confer immunit

4、y fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2012.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15147 December 2012 ICS 53.040.20 Supersedes

5、 EN ISO 15147:1999English Version Light conveyor belts - Tolerances on widths and lengths of cut light conveyor belts (ISO 15147:2012) Courroies transporteuses lgres - Tolrances sur largeurs et longueurs des courroies transporteuses lgres bords tranchs (ISO 15147:2012) Leichte Frdergurte - Toleranze

6、n fr Breite und Lnge von geschnittenen leichten Frdergurten (ISO 15147:2012) This European Standard was approved by CEN on 30 November 2012. 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 nati

7、onal 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 ver

8、sion 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,

9、Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom

10、. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15147:2012: EBS EN

11、 ISO 15147:2012EN ISO 15147:2012 (E) 3 Foreword This document (EN ISO 15147:2012) has been prepared by Technical Committee ISO/TC 41 “Pulleys and belts (including veebelts)“ in collaboration with Technical Committee CEN/TC 188 “Conveyor belts” the secretariat of which is held by SNV. This European S

12、tandard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2013, and conflicting national standards shall be withdrawn at the latest by June 2013. Attention is drawn to the possibility that some of the elements of thi

13、s 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 15147:1999. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countri

14、es 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, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Polan

15、d, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15147:2012 has been approved by CEN as a EN ISO 15147:2012 without any modification. BS EN ISO 15147:2012ISO 15147:2012(E) ISO 2012 All rights reserved iiiContents

16、PageForeword iv1 Scope 12 Normative references . 13 Widths . 14 Lengths 14.1 Endless belts and open-ended belts with ends prepared for splicing . 14.2 Open-ended belts with ends not prepared for splicing (slab belting) 25 Methods of measurement and verification of dimensions . 25.1 Determination of

17、the cut width 25.2 Determination of the length of an endless light conveyor belt . 25.3 Determination of the length of an open-ended light conveyor belt and of slab belting 3BS EN ISO 15147:2012ISO 15147:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federatio

18、n of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO 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.

19、 International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance wit

20、h the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approva

21、l by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 15147 was prepared by Technical Committee I

22、SO/TC 41, Pulleys and belts (including veebelts), Subcommittee SC 3, Conveyor belts.This second edition cancels and replaces the first edition (ISO 15147:1999), which has been technically revised.iv ISO 2012 All rights reservedBS EN ISO 15147:2012INTERNATIONAL STANDARD ISO 15147:2012(E)Light conveyo

23、r belts Tolerances on widths and lengths of cut light conveyor belts1 ScopeThis International Standard specifies methods for the measurement of widths and lengths of cut light conveyor belts as described in ISO 21183-1 and specifies the tolerances on the dimensions.NOTE The widths and lengths of lig

24、ht conveyor belts are not standardized.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable to its application. For dated references, only the edition cited applies. For undated references, the latest edition of the ref

25、erenced document (including any amendments) applies.ISO 21183-1, Light conveyor belts Part 1: Principal characteristics and applications3 WidthsWhen measured in accordance with 5.1, the difference between the measured width and the specified cut width shall not vary by more than the tolerance specif

26、ied in Table 1.It is recommended that actual cut widths of belt be specified in incremental steps of 50 mm for cut widths up to 1 m, and in incremental steps of 100 mm for cut widths over 1 m.Table 1 Tolerances on cut widths of light conveyor beltsWidthmmFor belts containing materials with low moist

27、ure absorption (e.g. polyester)For belts with higher moisture absorption (e.g. cotton or polyamide)over up to and including- 200 1 mm 2 mm200 600 2 mm 3 mm600 1 000 4 mm 5 mm1 000 2 000 6 mm 6 mm2 000 4 000 7 mm 0,3 % of width4 000 - 8 mm 0,3 % of width4 Lengths4.1 Endless belts and open-ended belts

28、 with ends prepared for splicingWhen measured in accordance with 5.2, the difference between the measured endless length and the specified endless length shall not vary by more than the tolerance specified in Table 2. ISO 2012 All rights reserved 1BS EN ISO 15147:2012ISO 15147:2012(E)Table 2 Toleran

29、ces on lengths of endless belts and of open-ended belts with ends prepared for splicingLengthmToleranceover up to and including- 2 10 mm2 7 20 mm7 - 0,3 %4.2 Open-ended belts with ends not prepared for splicing (slab belting)When measured in accordance with 5.3, the difference between the measured l

30、ength and the manufacturers stated length shall not vary by more than 025+ ,%.5 Methods of measurement and verification of dimensions5.1 Determination of the cut width5.1.1 The measurements in 5.2 or 5.3 may be taken at the same time as the measurements in 5.1.5.1.2 Unroll the conveyor belt on a fla

31、t hard surface free from tension.5.1.3 Measure at three equidistant locations, throughout the length of the belt and at right angles to the cut edges, the width of the conveyor belt to the nearest 0,5 mm, using a suitable linear measure (e.g. a steel tape).5.2 Determination of the length of an endle

32、ss light conveyor belt5.2.1 Lay the conveyor belt flat, and free from tension.5.2.2 Mark the inside edge of the belt with an appropriate marker to indicate the point at which measurements begin (points A, B, C, D, etc., the last point being point X).Using a steel tape measure, make individual measur

33、ements along the flat part of the belt only (see Figure 1).Rotate the belt and make consecutive measurements along the flat part of the belt (BC;CD; etc.) (see Figure 1), continuing until the last measurement can be taken, e.g. XA .5.2.3 Calculate the endless length, le, of the belt as the sum of al

34、l the individual measurements minus the product of and the belt thickness,i.e. AB + BC + CD + XA a where a is the belt thickness.The calculation with the subtraction sum a is strictly correct only for conveyor belts with a symmetrical construction, i.e. with the neutral line in the belt middle. It i

35、s in most cases sufficiently exact also for conveyor belts with an asymmetrical construction. However, short or thick conveyor belts with asymmetrical constructions may need a more precise calculation. The subtraction sum then becomes 2ai where ai is the distance between the neutral line and the inn

36、er belt surface (running surface). The value of aisshall be enquired of the belt manufacturer.(For symmetrical belt constructions, ai = a2and 2 ai becomes a.)2 ISO 2012 All rights reservedBS EN ISO 15147:2012ISO 15147:2012(E)This value is the internal endless length of the belt.In cases where the me

37、thod of measurement described above is not applicable, e.g. when the endless belt is very short, another suitable method of measurement should be agreed between the belt user and supplier.A B Figure 1 Measurement of the length of an endless light conveyor belt5.3 Determination of the length of an op

38、en-ended light conveyor belt and of slab beltingDetermine the length of an open-ended light conveyor belt and of slab belting by employing any suitable mechanical, electromechanical or photoelectric means of linear measurement which does not exert any tension in to the conveyor belt and which is acc

39、urate to 01+ %of the recorded or designated length.With the end of the roll coinciding with the zero mark on the measuring surface, unroll the conveyor belt along the surface in such a manner that no tension is introduced. On reaching the limit of the surface, mark the roll by some suitable method o

40、n both edges to coincide with a known division of length. Re-roll the portion that has been measured. Lay out, free from tension, a further portion of the unmeasured length and measure from the marked edges as before. Repeat this process until the end of the roll appears. Measure the final length an

41、d record the overall length as the sum of the individual measurements taken. ISO 2012 All rights reserved 3This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, info

42、rmation and services. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389

43、Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the qu

44、ality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Cus

45、tomer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email:

46、 Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on the website addition all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001E

47、mail: In response to orders for international standards, BSI will supply the British Standard implementation of the relevant international standard, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, Europeanand international standards through it

48、s Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8996 7005Email: BSI Subscribing Members are kept up to date with standards developments and receive substantial discounts on the purchase priceof standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards and PASs via British Standards Online can be found at information about British Standards is available on the BSI website at www.bsi- the data, software and documentation set

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