1、 - BS EN BRITISH STANDARD Castors and wheels - Castors and wheels for applications over 1,l ds (4 kmh) and up to 4,4 m/s (16 kmh) The European Standard EN 12533:1998 has the status of a British Standard ICs 21.180; 53.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW 12533:1
2、999 STD-BSI BS EN 12533-ENGL 1779 D 1629bb9 0754bbU 4Ti direction of the Engineering AmdNo. Date Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 March 1999 O BSI 03-1999 BS EN 12533:1999 Text affected National foreword This British Standard
3、is the English language version of EN 12533: 1998. The UK participation in its preparation was entrusted to Technical Committee M”, Industrial i.-cks - Safety, which has the responsibility to: - aid enquirem to understand the text; - present to the responsible European committee any enquiries on the
4、 - monitor related intedonal and European developments and promulgate interpretation, or proposals for change, and keep the UK interests informed; 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
5、 which 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 do
6、es not purport to include all the necessary provisions of a contract. Usem of British Stardards 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 insi
7、de front cover, the EN title page, pages 2 to 9 and a back cover. ISBN O 680 30645 3 - STDSBSI BS EN 12533-ENGL 1999 1b24bb9 0754bbL 330 EUROPW flmm EN 12533 NOFME EUROPENNE EUROPATSCHE NOM September 1998 ICs 21.180 53.060 Descriptors: wheels, castors, handling equipment, characteristics, product re
8、quirements, dimensions, conformity tests, marking Ehghsh version Castors and wheels - Castors and wheels for applications over 1,l m/s (4 kmh) and up to 4,4 m/s (16 km/h) Roues et roulettes - Roues et roulettes pour des applications plus de 1,l ds (4 km/h) et jusqu 4,4 m/s (16 km/h) Wer und Rolien -
9、 Rder und Rollen fur eine Geschwindigkeit ber 1,l ds (4 km/h) und bis zu 4,4 m/s (16 kmh) This European Standard was approved by CEN on 30 August 1998. CEN members are bound to comply with the CENEENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status
10、 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 European Standard exists in three official versions (English, French, German). A ver
11、sion 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 officiai versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, Ran
12、ce, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Nonnalisalion Europisches Komitee fix Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O
13、 1998 CEN Ail rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 125331998 E STD.BSI BS EN 12533-ENGL 1777 m 1b24bb7 0754bb2 277 m Page 2 EN l2533m98 Foreword This Fhropean Standard has been prepared by khnid Committee CENRC 324, Castors and
14、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 identid kxt or by endorsement, at the latest by March 1999, and conflicting national standards shali be withbwn at the latest by March 1999. According
15、 to the CEN/CENELEC Internal Regulations, the national standards organizations of the foilowing countries are bound to implement this European standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Sp
16、ain, Sweden, Switzerland and the United Kingdom. Contents Foreword 1 2 3 4 4.1 4.2 4.3 4.4 5 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 6 7 7.1 7.2 Scope Normative references Denitions Dimensions and classification TOP Pl - offset (4.2); - wheel (4.3); - load capacity (4.4). 4.1 Top pla
17、te Rectangular top plates are used with four fixing holes. The design of the outer profile is left to the manufacturer, provided that it is inscribed in a rectangle of maximum size A X B as in Table 2 and Figure 1. EN 125271998, Castors and wheels - Test methods and uppafratus. IS0 7619, Rubber- Det
18、emzination of indentation hardness by mans of pockt hardness meters. me furing holes are located at the comers of a rectangle inscribed in the outer profile. The holes may be oblong and form slots, provided the width of the slot is suitable for bolts of beter (GI) as in Wle 2. Table 2 lists the stan
19、dardized dimensions of the different classes of top plates. t Figure 1 - Rectangular top plate O BSI 03-1999 Page 4 EN l2533m98 R52 Table 2 - Rectangular top plate 18ox 160 Dimensions in miiiimetres 200 250 Table 3- Offset Dimensions in miiiimetres 40 120 50 150 dimensions 280MO 35060 1160x120 55 18
20、0 70 215 R53 230 X 180 I 450 500 90 270 100 300 Bolt hole spacing (a x b) 354 105 X 80 270 X 230 140 X 105 160 X 120 210 x 160 Bolt diameter (Gl) 10 12 10 12 14 16 12 14 16 20 14 16 20 4.2 Offset Wle 3 specifies the minimum and maximum offset values (fl for the swivel castors, corresponding to the w
21、heel diameter (D), as in Figure 2. Figure 2- Offset Wheel diameter Offset 150/160 1 1 400 I 80 1240 I Figure 3 - Wheel dimensions STD-BSI BS EN 12533-ENGL 1997 E lb24bh 0754bb5 Tb m 60 75 90 90 Page 5 EN 12533:1998 25 30 25 30 25 30 25 30 35 Table 4- Wheel dimensions 90 Dimensions in millimetres 35
22、40 Table 4 - Wheel dimensions (continued) Dimensions in millimetres Wheel diameter (Dl .25 150/160 !O0 250 BO 300 350/360 Hub width Bore diameters* (TI) I (dl 50 20 I25 I25 60 - directional locking device; - total lockinghraking device; - centsal locking/braking device. If device is operated by mean
23、s of threaded mechanism this test will not be applicable. castors with a: - wheel locking/b - total locking/braking device; - central lockjng/braking device. 4.6 4.6 Efficiency check of wheel braking and/or locking device 6.7 castors with a: - directional locking/bWg device; - total lockirghraking d
24、evice; - centsal locking/braking device. 4.7 Efficiency check of swivel braking and/or locking device static test 6.8 This test is not required 4.9 6.9 6.10 Dynamictest Efficiency check of wheel braking andor locking device All castors castors with a: - wheel locking/braking device; - total locking5
25、raking device; - central locking/braking device. 4.8 4.6 castors with a: - directional locking/braking device; - total lockinghraking device; - centsal lockjng/braking device. 4.7 4.2 4.3 6.11 6.12 6.13 Efficiency check of swivel braking and/or locking device Final wheel PhY Finai swivel PhY Allcast
26、ors Swivel castors with or without accessoLies O BSI 03-1999 Symbol Value D variable Page 7 EN 12533:1998 Description wheel diameter Symbol El I WI I 0,5 % of D I maximum initial wheel play I Value Description 5000 number of locking actions 5.3 Initial swivel play 5.3.1 Test objectives, apparatus an
27、d procedures Detailed in 4.3 of EN 125271998. 5.3.2 Tolerances E2 151 10 cycles per min not required load capacity as test load in this test 5.6.3 Tolerances The tolerances are: Symbol Tolerance Unit Acceptable cyclesmin E2 5.4.3 Tolerances The tolerance is: O -2 I Symbol Value Description s1 3mm ma
28、ximum initial swivel play - 1 number Symbol Li I Symbol1 Value I Description I Value Description variable load capacity 117 I 10 % of LI 1 test load I L1 variable load capacity as test load Ki 15 % of L1 horizontal tractive force IN Symbol r IN Tolerance Unit Acceptable 10% I Symbol 10% Tolerance Un
29、it I Acceptable 5.4.4 Acceptance criteria N N The tolerance of the time of application of force Ki (10 s) is: +i s. The resistance R of the sample tested shall be: 5.6.4 Acceptance criteria No revolving movement of the castor around its axis is - conductive castor(s) or wheel(s): R 5 lo4 0 - antista
30、tic CaStQr(S) Or wheel(s): io5 5 R 5 io7 fi dowed when the force K is applied. O ES1 03-1999 Page 8 EN 12533:1998 i L; K2 6.7 EfPiciency check of swivel braking and/or locking device 6.7.1 %t objectives, apparatus and procedures Detailed in 4.7 of EN 1252T1998. 6.7.2 Test vdws The test vaiues are li
31、sted below. variable 15 % of L1 loati capacity as test load horizontal tractive force I SymbolI Value I Description I Symbol Tolerance Unit Acceptable L1 V1 L1 K2 variable see We 6 average speed load capacity as test load* IN v2 hl IN see ?)able 6 height of obstacles for wheels with: speed at impact
32、 height of the obstacles -tread hardness 5 90“ Shore A: 2,5% of D - tread hardness 90“ Shore A: 5,0% of D The tolerance of the time of application of force K2 (10 s) is: +g s. C n 6.7.4 Acceptance criteria No swivelling movement is allowed during the second application of the force K2. 6.8 Static te
33、st This is not required. 6.9 Dynamic test 6.9.1 Test objectives, apparatus and procedures Detailed in 4.8 of EN 125271998. 6.9.2 Test values The test values are listed below. see ?)able 6 5timesDinmm number of obstacles distance between obstacles I Symbol I Vaiue I Description I ri 21 22 not require
34、d in this test 3min running period maX1min pause period number of wheel revolutions ID I variable I wheel heter I * NOTE A simulated load applied, mechanically, hydraulically or pneumatically is acceptable provided that it is previously verified. O BSI 03-1999 STD-BSI BS EN L2533-ENGL 1999 P 162Libb
35、l 0754Lb9 b21 W Symbol D W, Table 6 - Test settings for speed categories Value Description vaxiable wheel diameter 0,5 % of D maximum wheel wear play I Category IA Minimum distance between obstacles: m Average speed obstacles: mis (M) 1 1,5 3 Symbol S., Symbol Value Description 3mm maximum swivel we
36、ar Dlav Tolerance Unit N dS m/S mm min min Acceptable +2 0% o % -5 0% -5 0% 0 % o % f10 s f10 s The tolerances are: - of the obstacle width (100 mm): e mm; - of the angle of obstacles to line of motion of 45”: fr. 5.9.4 Acceptance criteria The test is passed if there is no permanent deformation of t
37、he sample, which adversely affects its performance. 5.10 Efficiency check of wheel braking and/or locking device Repeat test in 5.6. 5.11 Efficiency check of swivel braking and/or locking device Repeat test in 5.7. Page 9 EN 12533:1998 5.12 Final wheel play 5.12.1 Test objectives, apparatus and proc
38、edures Detailed in 4.2 of EN 125271998. 5.12.2 Acceptance criteria The wheel wear play shall not exceed the value W2. 6 Confodty The manufacturer declares on request by a certificate of conformity that the castors or wheels are in accordance with the requirements as stated in this document. The type
39、 of test machine shali be stated in the conformity document. 7 Marking of the product 7.1 Product marking All the products shall be permanently and visibly marked with a name andor trade mark of the manuacturer. 7.2 Marking of electrically conductive castor( s) or wheel(s) AH products shal bear on t
40、heir outer surface a clearly visible yellow mark, and where appropriate and possible should include the word “antistatic”. O BSI 03-1999 - BS EN 12533: 1999 BSI 389 ChiswickHigh Road London w4 4AL - STD.BS1 BS EN 12533-ENGL 1977 m 1bZLibbS I3754b70 343 BSI - British Standards Institution BSI is the
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