BS EN 12527-1999 Castors and wheels - Test methods and apparatus《脚轮和轮子 试验方法和试验设备》.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12527:1999 The Euro
2、pean Standard EN 12527:1998 has the status of a British Standard ICS 21.180; 53.060; NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Castors and wheels Test methods and apparatusBS EN 12527:1999 This British Standard, having been prepared under the direction of the Engineering
3、 Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 March 1999 BSI 03-1999 ISBN 0 580 30651 8 Amendments issued since publication Amd. No. Date Text affected National foreword This British Standard is the English language version of EN 12527:19
4、98 The UK participation in its preparation was entrusted to Technical Committee MHE/7, Industrial trucks Safety, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep
5、 the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publi
6、cations referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary prov
7、isions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 1
8、5 and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members Ref
9、. No. EN 12527:1998 E EUROPEAN STANDARD EN 12527 NORME EUROPE ENNE EUROPA ISCHE NORM September 1998 ICS 01.075; 21.180; 53.060 Descriptors: general product, furniture, handling equipment, wheels, castors, characteristics, equipment specification, dimensions, classification, tests, conformity tests,
10、marking English version Castors and wheels Test methods and apparatus Roues et roulettes Me thodes et appareillages dessai Ra der und Rollen Pru fverfahren und -gera te This European Standard was approved by CEN on 30 August 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulat
11、ions 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 Central Secretariat or to any CEN member. This Euro
12、pean 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 Central Secretariat has the same status as the official versions. CEN members are the nati
13、onal standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 12527:1998 BSI 03-1999 Foreword This European Standard has been prepared b
14、y Technical Committee CEN/TC 324, Castors and wheels, 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 March 1999, and conflicting national standards shall
15、be withdrawn at the latest by March 1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, I
16、taly, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions and symbols 3 4 Test methods 5 4.1 General requirements 5 4.2 Wheel play test 5 4.3 Swivel play test 5 4.4 Electrical resistan
17、ce test 6 4.5 Fatigue test for braking and/or locking device 6 4.6 Efficiency check of wheel braking and/or locking device 6 4.7 Efficiency check of swivel braking and/or locking device 8 4.8 Dynamic test 8 4.9 Static test 10 4.10 Contact pressure test 11 4.11 Chair castor brake performance test 11
18、4.12 Impact test 12 4.13 Dynamic test for castors for furniture and swivel chairs only 12 4.14 Long distance running test 15 4.15 Rolling resistance test 15 4.16 Swivel resistance test 15 4.17 Stem retention test 15Page 3 EN 12527:1998 BSI 03-1999 Introduction Castors and wheels are used in many app
19、lications and environments. For many of these specific requirements are needed. Thus the need for a standard on testing of castors and wheels suitable for users, original equipment manufacturers and testing houses. 1 Scope This European Standard specifies the test methods and apparatus to be used to
20、 check the performance of the castors and wheels. The test to be used and the acceptance criteria, values and applicability relevant to each type of castor and wheel are covered by the specific standards. 2 Normative references This European Standard incorporates by dated or undated reference, provi
21、sions 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 only to this European Standard only when incorporated in
22、 it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 12526:1998, Castors and wheels Vocabulary, recommended symbols and multilingual dictionary. ISO 2878, Rubber vulcanized Antistatic and conductive products Determination of electrical re
23、sistance limits. 3 Definitions and symbols For the purposes of this European Standard, definitions given in EN 12526:1998 apply and the meaning of the symbols is listed in Table 1 and in the individual tests. Table 1 Symbols and meaning of the symbols Symbol Unit Meaning of the symbols A mm dimensio
24、ns of top plate a mm bolt hole spacing B mm dimensions of top plate b mm bolt hole spacing c m distance between obstacles D mm wheel diameter d mm bore diameters E 1 number of locking actions E 2 cycles per minute frequency of locking actions e mm wheel spacing F mm offset f mm fork width G mm fixin
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