BS EN 12530-1999 Castors and wheels - Castors and wheels for manually propelled institutional applications《脚轮和轮子 手动操作的脚轮和轮子》.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12530:1999 The Euro

2、pean Standard EN 12530:1998 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 Castors and wheels for manually propelled institutional applicationsBS EN 12530:1999 This British Standard, having been prepar

3、ed under the direction of the Engineering 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 30648 8 Amendments issued since publication Amd. No. Date Text affected National foreword This British Standard is th

4、e English language version of EN 12530:1998. 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 interpr

5、etation, or proposals for change, and keep 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

6、 implement international or European publications 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

7、 purport to include all the necessary provisions 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 fr

8、ont cover, the EN title page, pages 2 to 10, an inside back cover 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

9、and by any means reserved worldwide for CEN national Members. Ref. No. EN 12530:1998 E EUROPEAN STANDARD EN 12530 NORME EUROPE ENNE EUROPA ISCHE NORM September 1998 ICS 21.180; 53.060 Descriptors: general product, wheels, castors, handling equipment, characteristics, product requirements, dimensions

10、, tests, conformity tests, marking English version Castors and wheels Castors and wheels for manually propelled institutional applications Roues et roulettes Roues et roulettes pour e quipements de collectivite s manuels Ra der und Rollen Apparaterollen Manuell beta tigte Ra der und Rollen This Euro

11、pean Standard was approved by CEN on 30 August 1998. 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 co

12、ncerning such national standards may be obtained on application to the Central Secretariat 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 o

13、wn language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, S

14、weden, Switzerland and United Kingdom.Page 2 EN 12530:1998 BSI 03-1999 Foreword This European Standard has been prepared by 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

15、publication of an identical text or by endorsement, at the latest by March 1999, and conflicting national standards shall 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 implemen

16、t this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Definitions 3 4

17、Dimensions and classification 3 4.1 Fixing system 3 4.2 Offset 6 4.3 Wheel 6 4.4 Load capacity 7 5 Requirements 7 5.1 Standard conditions 7 5.2 Initial wheel play 8 5.3 Initial swivel play 8 5.4 Electrical resistance test 8 5.5 Fatigue test for braking and/or locking device 8 5.6 Efficiency check of

18、 wheel braking and/or locking device 9 5.7 Efficiency check of swivel braking and/or locking device 9 5.8 Static test 9 5.9 Dynamic test 9 5.10 Efficiency check of wheel braking and/or locking device 10 5.11 Efficiency check of swivel braking and/or locking device 10 5.12 Final wheel play 10 5.13 Fi

19、nal swivel play 10 6 Conformity 10 7 Marking of the product 10 7.1 Product marking 10 7.2 Marking of electrically conductive castor(s) or wheel(s) 10Page 3 EN 12530:1998 BSI 03-1999 Table 1 Rectangular top plates Dimensions in millimetres Class Maximum plate dimensions Bolt hole spacing Bolt diamete

20、r Corresponding wheel diameter (A3 B)( a 3 b )( G 1 )( D ) R21 753 60 553 40 6 50 63 75/80 100 R22 903 70 603 50 8 75/80 100 125 150/160 200 R23 1153 85 803 60 8 100 125 150/160 200 1 Scope This European Standard specifies the technical requirements, the appropriate dimensions and the requirements f

21、or testing. This European Standard applies to castors and wheels which may include braking and/or locking devices, specifically for manually propelled use in an institutional environment. This includes for example, shops, restaurants, hotels, educational buildings and hospitals. 2 Normative referenc

22、es 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

23、publications apply only 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. EN 12526:1998, Castors and wheels Vocabulary, recommended symbols and multilingual dictionary. EN 12527:1998, Cas

24、tors and wheels Test methods and apparatus. 3 Definitions For the purpose of this European Standard, definitions and recommended symbols of EN 12526:1998 apply. 4 Dimensions and classification The characteristics of a castor are: fixing system (4.1); offset (4.2); wheel (4.3); load capacity (4.4). 4

25、.1 Fixing system The fixing system includes top plate, solid stem and single bolt hole. 4.1.1 Top plate Top plates are identified by classification and include rectangular and square plates with four fixing holes. The design of the outer profile of the top plates is left to the manufacturer, provide

26、d that it is inscribed in a rectangle as provided in Tables 1 and 2 by sizes A and B of Figure 1 and A and A of Figure 2 which is the maximum acceptable size. The holes may be oblong and form slots, provided the width of the slots is suitable for bolts of diameter (G 1 ) as in Tables 1 and 2. 4.1.1.

27、1 Rectangular top plates Dimensions and classification of rectangular top plates are detailed in Table 1 and illustrated in Figure 1. 4.1.1.2 Square top plates Dimensions and classification of square top plates are detailed in Table 2 and illustrated in Figure 2.Page 4 EN 12530:1998 BSI 03-1999 Figu

28、re 1 Rectangular top plate Table 2 Square top plates Dimensions in millimetres Class Maximum plate dimensions Bolt hole spacing Bolt diameter Corresponding wheel diameter (A3 A)( a 3 a )( G 1 )( D ) S21 503 50 353 35 6 50 63 75/80 S22 653 65 453 45 6 50 63 75/80 100 125 S23 803 80 603 60 8 63 75/80

29、100 125 150/160 200 S24 1003 100 803 80 8 75/80 100 125 150/160 200Page 5 EN 12530:1998 BSI 03-1999 Figure 2 Square top plates 4.1.2 Solid stem Solid stem fittings are required to suit various tube sizes which have not been defined. The length of the solid stem shall be equal or greater than 1,5 tim

30、es its diameter. In those cases where the solid stem is supplied with a cross hole for fixing to a tubular structure, the axis of such hole shall be at 19 mm 0,25 mm from the collar of the stem and threaded M8 as illustrated in Figure 3. Figure 3 Solid stem castor with threaded fixing hole 4.1.3 Sin

31、gle bolt fixing Table 3 specifies the bolt diameters (G 2 ) for single bolt fixing corresponding to the wheel diameter (D). Table 3 Bolt diameters for single bolt fixing Dimensions in millimetres Wheel diameter Bolt diameter (D)( G 2 ) 50 8 10 63 8 10 75/80 8 10 12 100 8 10 12 125 8 10 12 16 150/160

32、 12 16 200 12 16Page 6 EN 12530:1998 BSI 03-1999 4.2 Offset Table 4 specifies the minimum and maximum offset values (F) for the swivel castors, corresponding to the wheel diameter (D), as in Figure 4. Figure 4 Offset Table 4 Offset Dimensions in millimetres Wheel diameter Offset (D)( F ) Maximum Min

33、imum 50 30 20 % of the wheel diameter 63 40 75 50 80 50 100 60 125 70 150 80 160 85 200 100 4.3 Wheel The characteristics of a wheel are: diameter (see Table 5); hub width (see Table 5); bore diameter (see Table 5); load capacity (see 4.4). The characteristics of the wheel are illustrated in Figure

34、5 and the hub width (T 1 ) and bore diameter (d) corresponding to each wheel diameter (D) are listed in Table 5. Wheels are not restricted to these hub widths and bores when used in castors. Figure 5 Wheel dimensions Table 5 Wheel dimensions Dimensions in millimetres Wheel diameter Hub width * Bore

35、diameters (D)( T 1 )( d ) 50 20/25 6 8 63 20/25 6 8 8 25 10 75/80 30/35 8 10 12 40/45 10 12 100 30/35 8 10 12 40/45 10 12 125 30/35 8 10 12 40/45 10 12 150/160 40/45 12 200 40/45 12 * NOTE Preferred dimensions are 20 mm, 30 mm and 40 mm.Page 7 EN 12530:1998 BSI 03-1999 4.3.1 Wheel diameter tolerance

36、 The tolerance on wheel diameter (D)i s 1 % with a minimum value of 1 mm. 4.3.2 Hub width tolerance The tolerance on hub width (T 1 ) is % with a 22 0 minimum of 1 mm. 4.4 Load capacity Maximum load, in N, which can be carried by a wheel or a castor so as to fully comply to the required acceptance c

37、riteria. 5 Requirements Testing requirements for castors and wheels are listed below. Test apparatus and procedures are defined in EN 12527:1998. 5.1 Standard conditions 5.1.1 Environmental conditions Tests have to be carried out at a temperature between 158C and 288C. During the 24 h prior to the t

38、est the sample(s) shall remain at the above temperature, in an environment with a relative humidity between 40 % and 70 %. Sample(s) shall not be artificially cooled during testing. 5.1.2 Test sequence Tests, where relevant, shall be carried out in the sequence as listed in Table 6. Table 6 Test seq

39、uence for castor and wheel types Reference Test sequence Castors and wheel types Test procedures reference EN 12527:1998 5.2 Initial wheel play All 4.2 5.3 Initial swivel play Swivel castors with or without accessories 4.3 5.4 Electrical resistance Castors and wheels electrically conductive 4.4 5.5

40、Fatigue test for braking and/or locking devices Castors with a: wheel locking/braking device 4.5 directional locking device total locking/braking device central locking/braking device 5.6 Efficiency check of wheel braking and/or locking device Castors with a: wheel locking/braking device 4.6 total l

41、ocking/braking device central locking/braking device 5.7 Efficiency check of swivel braking and/or locking device Castors with a: directional locking/braking device 4.7 total locking/braking device central locking/braking device 5.8 Static test All 4.9 5.9 Dynamic test All 4.8 5.10 Efficiency check

42、of wheel braking and/or locking device Castors with a: wheel locking/braking device 4.6 total locking/braking device central locking/braking device 5.11 Efficiency check of swivel braking and/or locking device Castors with a: directional locking/braking device 4.7 total locking/braking device centra

43、l locking/braking device 5.12 Final wheel play All 4.2 5.13 Final swivel play Swivel castors with or without accessories 4.3Page 8 EN 12530:1998 BSI 03-1999 5.2 Initial wheel play 5.2.1 Test objectives, apparatus and procedures Detailed in 4.2 of EN 12527:1998. 5.2.2 Acceptance criteria The measured

44、 initial wheel play shall not exceed the value (W 1 ) detailed in Table 7. Table 7 Initial wheel play Dimensions in millimetres Wheel diameter Maximum initial wheel play (D)( W 1 ) 50 0,70 63 0,70 75/80 0,80 100 1,00 125 1,25 150/160 1,60 200 2,00 5.3 Initial swivel play 5.3.1 Test objectives, appar

45、atus and procedures Detailed in 4.3 of EN 12527:1998. 5.3.2 Tolerances The tolerances are: of the swivel play: lever of 200 mm use to measure the play: 2 mm; angle of rotation of swivelling by 908: 58. 5.3.3 Acceptance criteria The measured initial swivel play shall not exceed the value (S 1 ). Symb

46、ol Value Description S 1 4 mm Maximum initial swivel play 5.4 Electrical resistance test 5.4.1 Test objectives, apparatus and procedures Detailed in 4.4 of EN 12527:1998. 5.4.2 Test values The test values are listed below. Symbol Value Description L 1 variable load capacity L 17 10 % of L 1 test loa

47、d R variable measured electrical resistance 5.4.3 Tolerances The tolerance is: Symbol Tolerance Unit Acceptable L 1 N % 0 +2 L 17 N % 0 +2 5.4.4 Acceptance criteria The resistance R of the sample tested shall be: conductive castor(s) or wheel(s): R# 10 4 V; antistatic castor(s) or wheel(s): 10 5 V#R

48、#10 7 V. 5.5 Fatigue test for braking and/or locking device 5.5.1 Test objectives, apparatus and procedures Detailed in 4.5 of EN 12527:1998. 5.5.2 Test values The test values are listed below. Symbol Value Description E 1 5 000 number of locking actions E 2 10 cycles per min L 1 variable load capac

49、ity as test load 5.5.3 Tolerances The tolerances are: Symbol Tolerance Unit Acceptable E 1 % 0 +1 E 2 cycles per min 22 0 L 1 N % 0 +2 5.5.4 Acceptance criteria The test is passed if there is no wear and/or permanent deformation which adversely affects the performance of the sample.Page 9 EN 12530:1998 BSI 03-1999 5.6 Efficiency check of wheel braking and/or locking device 5.6.1 Test objectives, apparatus and procedures Detailed in 4.6 of EN 12