E S 1 BS*EN*LL53 96 L624bb9 0545658 T27 BRITISH STANDARD Kitchen furniture Safety requirements and test methods for built in and free standing kitchen cabinets and work tops BS EN 1153 1996 The Europe[.]
E S BS*EN*LL53 96 L624bb9 0545658 T27 BS EN BRITISH STANDARD 1153 : 1996 Kitchen furniture Safety requirements and test methods for built-in and free standing kitchen cabinets and work tops ````-`-`,,`,,`,`,,` - The European Standard EN 1153 : 1995has the status of a British Standard ICs 97.040.10 Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale BS EN 1153 :1996 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee CCW49, Kitchen furniture, upon which the foilowing bodies were represented Association of Building Engineers Association of Consuiting Scientists Association of Manufacturers of Domestic Electrical Appliances British Coatings Federation Limited British Furniture Mmufacturers’ Federation British Lamhated Plastics Fabricators’Association Limited Briüsh Woodworking Federation Consumer Policy Committee of BSI Department of l’hie and Industry (Consumer Safety Unit, CA Division) Furniture Industry Research Association Kitchen Speciaiists’Association LHC Builduig Components and Services Metal S i Manufacturers’Association National Federation of Housing Associations Society of British Gas Industries ?his British Standard, having been prepared under the direction of the Consumer Products and SeMces Sector Board (W/-), was published under the authority of the Standards Board and comes into effect on 15 July 1996 O BSI 1996 Amd No Date Text affected The following BSI references relate to the work on this standard: Committee reference CCW49 Draft for comment 93/309263DC ISBN O 680 26836 X ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale - ~ m BSI B S t E N x L L L b b b ỵ 5 6 685 m BS EN 1153 : 1996 Contents Committees responsible National foreword Foreword Text of EN 1153 : 1995 page Inside h n t cover ii ~ ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS i Not for Resale B S I B S U E N t L L 9b D I1624669 0545663 1 D BS EN 1163 : 1996 National foreword This British Standard has been prepared by Technical Committee CCW49, and is the English ianguage version of EN 1153 : 1995Kitchmfum.iture - Safety requirements and test methodsfor built-in and free standing kitchen cabinets and work tops published by the European Committee for Standardization (CEN) It parthiìy supersedes BS 6222 : Part : 1992 and the conflicting clauses wili be deleted by amendment Compliance with a British Standard does not of itself confer immunity from legal obligations ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS ii O BSI 1996 Not for Resale ~ B S I BS*EN*L153 96 m L624bb9 0545662 458 EUROPEAN m m m NORME EUROPÉENNE EN 1153 EUROP- December 1995 NORM m ICs 97.040.10 Descriptors: Furniture, kitchen furniture, fixing, layout, working plans, specifications, safety, accident prevention, testing conditions, tests, mechanical properties, mechanical strength, shock resistance, stability, installation English veIsion Kitchen fbrnitm - Safety requirements and test methods for built-in and Fee standmg kitchen cabinets and work tops Mobilier de cuisine - Exigences de sécuritk et méthodes d'essais pour meubles de cuisine h e r et poser et plans de travail Küchemöbel - Sicherheitstechnische Morderungen und prufverfahren fUr eingebaute und Beistehende Küchenschränke und ArbeitsplaWn This European Standard was approved by CEN on 19951130 CEN memberc are bound to comply with the CENKENELEC Internai Regulations which stipulak 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 European Standard exists in three official versions (English, kench, 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 Centrai Secretariat has the same status as the official versions CEN members are the national standards bodies of Austria, Belgium, Denmark, Finiand, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom CEN European Committee for Standar-ion Comité Européen de Normalisation Europäisches Komitee fur Normung Centrai Secretariat: rue de Stassart 36, B-1060 Brussels O 1995 Ail rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members Ref No EN 1153 : 1995 E ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale ~~ ~ ~ BSI B S * E N * L L 9b L b 6 0545bb3 394 m Page ENll63:1995 Foreword This European Standard has been prepared by the lèchnicaì Committee CENíì'C 207, Furniture,of which the secretariat is held by IBN This European Standard shall be given the status of a National Standard, either by publication of an identicai text or by endorsement, at the latest by June 1996, and conflicting national standards shall be withdrawn at the latest by June 1996 According to the CENKENELEC Intenial Regulations, the foliowing countries are bound to implement this European Sỵandara Austria, Belgium, Denmark, Finland, France, Germanx Greece, Iceland, Ireland, I*, Luxembourg, Netherlands, Norww, Portugal, Spain, Sweden, Switzerland, and the United Kingdom Contents Foreword Scope Nonnative references Definitions General test conditions ?'est WP- Safety requirements 'kst parameters Test procedures and requirements 10 Stability 10 10 11 12 ````-`-`,,`,,`,`,,` - Instaliation instructions 11 Rst report Annexes A (informative) Apparatus for siam open test of drawers B (informative) Safety requirements and test methods page 3 3 5 Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS O BSI 1996 Not for Resale B S I BS*EN*L153 96 b 6 0545664 220 Page EN 1153 : 1995 scope General test conditions This European Standard specifies safety requirements on the stsucture of built-in and freestanding kitchen units, work tops and breakỵast bars includuig those with glass in their construction It applies to units after installation This standard does not apply to catering equipment However, safety, depending on the structure of the building, is not included, e.g the strength of wall hanging cabinets includes only the cabinet and its parts The wall and the wall attachment are not included This standard specifies requirements to prevent serious MLUYthrough normal functional use, as well as misuse that might reasonably be expected to occur It should be understood that the tests not ensure that structurai failure will not eventually occur as a result of habitual misuse or after an excessively long period of service Assessment of ageing, degradation and the heating effect of appliances are not included nor are the ergonomic aspects of safety and resistance to fire 4.1 Preliminary preparation Before any of the tests are commenced, the item shall have developed its full strength At least four weeks in normal indoor conditions shall have elapsed between manufacturing (or assembly) and testing in the case of glued joints in timber and the like The furniture shall be tested as delivered If of knockdown type, it shall be assembled accordmg to instructions supplied with the furniture if the furniture can be assembled or combined in different ways, the most adverse combination shall be used for each test The same is valid for units that can be combined with other units or components Units shall be attached at the fixjng points specified by the manufacturer, using fixings which will not fad during the tests Any assembly fittings shall be tightened before testing The tests refer to furniture parts with conventional function Combinations of tests may be necessary to cover the properties of multi-function components, e.g a sheif that can be pulled out on runners shall be tested for strength of shelf supports and tested for sỵrength of the runners Normative references 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 m y of these publications apply 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 IS0 48 Rubbm, vulcanized or himnoplastic Determirurtion of hardness (hnrdwss between 1O IRHD a,nd 1O0 IRHD) Definitions For the purposes of this standard the following definitions apply 4.2 Test equipment The forces in the static load tests shall be applied sufficiently slowly to ensure that dynamic loads are negligible Unless otherwise specified, the tests may be applied by any suitable device because results are not dependent upon the apparatus 4.3 Tolerances Unless otherwise stated the following tolerances are applicable: forces: velocities: masses: cimensions +50/0; f "/.; 0,5 "/.; 1,0mm 4.4 Sequence t ' testing The tests shall be carried out the sequence laid down in this standard 3.2 built-in unit Ail tests specified for a particular part and/or unit shall A unit attached to the structure of the building, directly be carried out on the same sample or via other units 3.1 free-standing unit A unit not attached to the structure of the building 3.3 wall-mounted unit A unit supported entirely by one or r building '-ewalls of the 3.4 top mounted unit A unit supported by the ceding Test apparatus 5.1 Floor surface A rigid, horizond and flat surface 5.2 Wall surface A rigid, vertical and flat surface ````-`-`,,`,,`,`,,` - BSI 1996 Copyright European Committee for O Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale Page EN 1153 : 1995 6.3 Stops Devices to prevent the sample from sliriing but not tiìting, not higher than 12 mm except in cases where the design of the sample necessitates the use of higher stops, in which case the lowest that will prevent the item from sliding shall be used 6.4 Loading pad A rigid cylindrical object, 50 mm in diameter, having a flat face with 12 mm radius on the edge 6.6 Apparatus for slam open of drawers An example for a suitable apparatus as well as calibraton instructions are shown in annex k 6.6 Deadloads Masses which not reinforce aie structure If bag? with lead shot or the like are used, the bags shall be divided into small compartments to prevent the contents from moving during the test 6.7 Glass marbles Marbles between 10 mm and 15 mm in diameter shall be used during the test described in 8.6 (slam open test of drawers) They shall be in a flexible bag iarge enough to allow them to move during the test 6.8 Impact plate A 1,7 kg impact plate, with a steel plate of 200 nun X 109mm X 10 mm faced with a mm thick layer of rubber with a hardness of 85 IRHD according to IS0 48 6.9 Impact hammer A cylindrical object having a mass of 6,5 kg, supported from a pivot by a steel tube of 38 mm in diameter and with a wall thickness of mm The distance between the pivot and the centre of gravity of the striker shall be m The pendulum ann is pivoted by a low friction bearing (see figure 1) 6.10 Test hammer for fragmentation test A hammer with a head of mass 0,075 kg and a conical tungsten carbide tip with an angle of 60" (see figure 2) -_ I l P-J ````-`-`,,`,,`,`,,` - Dimensions in mm Key Pendulum head, steel mass 6,4 kg Hardwood Rubber 50 IRHD Pendulum arm,length 950 high tensile steel tube 38 X 2; mass kg 0,2 kg Height adjustment Mass of assembly (1 + + 3) : 6,skg f 0,07 kg * Figure Impact hammer Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS O BSI 1996 Not for Resale B S I BS*EN*liL53 ỵb Lb24bbỵ 0545666 O T Page EN 1153 : 1995 Units intended for storage of hazardous items or substances shall, when locked, not be opened by a 6.1 Principles of safety requirements force of 200 N applied directly to the handle The following safety requirements are based upon the AU drawers whose total mass (in accordance with 7.2) knowledge that kitchen units or components are likely exceeds 10 kg but where safety tests are not carried to cause serious ~ u r onìy y when they are heavy and out (see clause 7) should have effective open stops, fall through a significant distance i.e they shall resist being pulled out of the carcase once by a force of 200 N applied to the handle of the As a consequence, the test methods specified are applicable to all units and components whose centre of loaded drawer or they shall be supplied with product informatioii to the effect that drawers can easily be gravity is at or above 900 mm from the floor and pulled out whose total mass (in accordance with 7.2) exceeds 10 kg The test methods also apply to Additional requirements are specified for strength of components whose centre of gravity is work tops and stability of free standing units (see 8.7 between 350 mm and 900 mm from the floor and whose and 9) total mass exceeds 35 kg (see annex B) AIIY external vertical glass components 0,i m2 in Tkst parameters area, any part of which is less than 900 mm above the floor shall fulfil the requirements according to 8.9 7.1 Determination of the centre of gravity or 8.10 The centre of gravii, of a component or unit shall be taken as the geometric centre of the usable volume of 6.2 Constructional safety requirements drawers and cupboards and as the geometric centre of Components or parts of the kitchen units and doors, flaps and shelves worktops with which the user may come into contact The height of the centre of gravity above the floor s h d during normal use shall have no buns andor sharp be measured for floor units or their components when edges, ilor shall there be open-ended tubes installed according to the manufacturer’s inStnictions To avoid the haz of a pinching or scissoring action Adjustable feet shall be set at their middle position between accessibit moving parts during n o d use Height aaustable components of floor units shall be the safety distance between such parts shall be kept placed in their highest position to mm or 25 mm in any position during movement, with the exception of doors and extension AU work-tops and wall or topmounted units or elements, but including handles components thereof are considered to have their centre of gravity more than 900 mm above the floor, in order to avoid pinching points for feet the safety unless restrictions are stated by the manufacturer distance shall be 100 mm Ail roll front doors sliding vertically shall not move by 7:$ Determination of total mass themselves from any position higher than 50 mm Tii iotaì mass shall be the mass of the component or measured from the closed position if this can cause unit plus the mass supported by it any WW Safety requirements @ BSI 1996 Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale ````-`-`,,`,,`,`,,` - Figure Head of hammer for fragmentation test BSI B S * E N U L L 76 L b b b ỵ 0545bb7 T T Page EN 1153 : 1995 Unless conspicuously and durably marked by the manufacturer with a maximum allowable load, the mas supported shall be determined according to table 1,which specifies the load per unit area for shelves, -pS and bottoms and the load per unit volume for drawers and baskets The volume of baskets shall be taken as the volume contained below the top edge The volume of drawers shall be taken as the area of the drawer bottom multiplied by the clear height NOTE The clear height is the maximum clear distance over the drawer bottom This is often the distance from the top of the drawer bottom to the lower edge of the drawer front of the drawer above, or the structure of the unit Table Required loads Shelves/fiaps/bottoms Baskets with internal height 100mm All other baskets I 0,65 kg/dm3 0,65 kgdm3 0,20 kg/dm3 Drawers with 110 mm clear height 0,35 kg/dm3 All other drawers 0,20 kg/dm3 l è s t procedures and requirements 8.1 Shelves Shelves more than 900mm above the floor shall be secured against falling out If the shelf is not restmined by a physical stop, this requirement is fulfilled when the horizontal force applied to the middle of the front edge required to initiate movement of the unloaded shelf is more than 50 % of the weight of the unloaded shelf Any unloaded shelf shail not tip when a downward vertical force of 100 N is applied at any point 25 mm in from the front edge 8.2 Shelf supports Ail supports of the tested shelf shall be tested For units with an indeterminate number of shelves, unless otherwise specified, àivide the internal height of the unit in milhetres by 300 and take the nearer integer This number minus shall then be the number of shelves to be fitted Load all components intended for storage purposes uniformly in accordance with table For the shelf being tested, distribute the load uniformly, except at approximately220 mm from one support, where the impact plate (6.8) shall be tipped over 10 times at a point as close to the support as possible (see figure 3) The striking surface shall be that faced with rubber After the test the shelf supports and/or the sheWcarcase shall show no fracture or other damage that can affect safe@ 8.3 Pivoted doors This test applies to all doors hinged to the carcase on one vertical side (including folding doors) Load ail components intended for storage purposes uniformly in accordance with table Load the door as shown in figure with a load of 30 kg Swing the door 10 full cycles (back and forth) from a position 45" f2" from fully closed to a position 10"f 2" from fully opened, but to a maximum of 135" Opening and closing can be done by hand using s to s for opening and s to s for closing After the test the door shall remain attached to the cabinet Dimensions in mm Figure Strength test of shelf supports ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS O BSI 1996 Not for Resale ~- BSI BS*EN*3353 96 3624669 0545668 976 Page EN 1153:1995 Determine the mass, y required to just move the door The test mass shall be kg plus the mass W Close/open the door/rolì front 10 times towards the fully closedopened positions using the test mass (W + kg) Start the movement 300 mm from the closedíopened positions respectively The test mass shall be removed 10 mm before the door/roil front is fuily closedopened After the test the door andor carcase shall show no fracture or damage that can affect safety Dimensions in mm Figure Load test of pi soted doors 8.4 Sliding doors and horizontal roll fronts (slam shut and open) This test applies to ali doors sliding horizontally including those constmcted fror hinged elements Load all components intended i storage purposes uniformly in accordance with table The door shall be openedíclosed by means of a string or cord attached to the centre of the handle If the handle has a length greater than 200 mm, the string shall be attached 100 mm below the top of the handle up to a maximum height from the floor of 1200 mm (see figure 5) 8.5 Slam open test of drawers Load all components intended for storage purposes uniformly in accordance with table Load the drawer under test according to table with glass marbles (5.7) and place it on its m e r s Close the drawer to a position 300 mm from the fully open position (or fully close the drawer if the travel is less than 300 mm) Slam the drawer open 10 times using the apparatus shown in annex A or using an apparatus with similar function The apparatus shall be calibrated so that the slam minus velocities of the calibration drawers are 1,3mís for a kg drawer and 1,0 mís for a 35 kg drawer NOTE A linear relationship is assumed from kg to 35 kg mass drawers The slamming force shall be applied until 10 mm before the drawer reaches the end of its travel Apply the force to the centre of the handle Throughout the test the drawer shall not fall out of the cabinet W + 4k9 Dimensions in inm Figure Slam opedshut of sliding doors ````-`-`,,`,,`,`,,` - 1996 Copyright European Committee for Standardization O BSI Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale ~ ~ B S I BS*EN*LL53 96 1624669 0545669 802 Page EN il53 : 1995 8.6 Strength of bottom hinged flaps 8.8.2 !ì”ests on movable parts and shelf supports Load all components intended for storage purposes uniformly according to table Load the fìap vertically 10 times with 200 N as shown in figure using the loading pad (5.4) Dunng each application maintajn the load for 10 s After the test the fiaa shall remain attached to the cabinet As soon as possible after the loading, carry out the following tests, if applicable: clause 8.2 shelf supports; clause 8.3 pivoted doors; clause 8.4 sliding doors and horizontal roll fronts (slam shut and open); clause 8.6 slam open test of drawers; clause 8.6 strength of fiaas The tests shall always be carried out on that part most likely to cause failure of the wall attachment 8.8.3 Overload Afỵer carrying out the tests on the movable parts, increase the load on all the storage areas according to the following principle If the iiwmber of shelves is not determined by the structure of the unit, divide the i n t e d height of the unit in millimetres by 200 and take the lower integer This number shall then be the number of shelves to be used during testing I Figure Strength test of flaps 8.7 Static load on work tops Load all components intended for storage purposes uniformly in accordance with table Load the work top vertically 10 times with O00 N at the position most likely to Cause failure using the loaàing pad (6.4) During each application maintain the load for 10 s After the test the work top andor carcase shall show no fracture or damage that can affect safety The load on the bottom shall be The load on the first shelf shall be The load on the second shelf shall be The load on the third and following shelves shaii be 250 kg/m2 150 kg/m2 100 kg/m2,and 65 kg/m2 If the volume of the unit, calculated by the inner width, depth and height, is greater than 0,225 m3, the loads shaü be multiplied by the factor (0,645 + 2v)z where V 8.8 Waìì and top mounted cabinets in m3 is the volume of the unit When reduction of the load is nece-, removed from the bottom The loading time shall be one week 8.8.1 General 8.9 Impact test for vertical glass components The unit shaü be mounted according to the manufacturer’s instaliation instructions Where the manner of mounting is not unambiguously defined, the man1 of mounting shall be recorded Adju ,:)lewall attachment devices shaü be set in the position most likely to cause failure Assemble the unit in accordance with the manufacturer’s instructions Load all the storage areas with the loads specified in table Carry out the test with the impact hammer (5.9) (see figure 1) Face the striking surface of the glass with a 10 mm thick rubber pad with a hardness of 30 IRHD according to IS048 and a minimum size of 100 mm X 1OOmm Strike the outside of the glass surface through the rubber pad with the impact hammer falling from a height of 150 mm NOTE This position will normally be when d u s t e d to the maximum depth (as far from the wall as possible) and to the middle of the height a u s t m e n t range and when devices used for levelling d u s t m e n t s are placed as low and as far apart as possible After testing in accordance with 8.8.2 and 8.8.3 the it shaü be unit shall remain attached as mounted and shall support the test load in accordance with 8.8.3 ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS O BSI 1996 Not for Resale E S BS*EN*LL53 Lb24669 0545b70 96 Page ENll53:199!5 The glass shall be placed on the floor &ace (6.1)-In order to prevent the broken pieces from scattering contain the edges of the sample with a h e , adhesive tape or the like in such a manner that the broken pieces remain in place after breakage but without hindering expansion of the sample The sample shall be broken by means of the test hammer for the fragmentation test (6.10).The blow shaiì be applied approximately 13mm in from the longest edge of the glass at the midpoint of that edge (=e figure 7) The assessment is made on the glass except within a peripheral margin of 25 mm from the edge of the sample and an area having 100 mm radius from the point of impact (see hatched area in figure 7) A mask of 5Omm X 50 mm is placed on the fractured glass and the number of crackkee particles within the mask are counted This assessment shall be undertaken on at least two areas of the sample The areas chosen shail contain the largest particles After the tests there shall be a minimum of 40 particles in any 50 mm X 50 mm area NOTE It is still necessary to gather experience with this test method 8.10 Fragmentation test of the glass The test shall be carried out on the glas component itself Frames andor other parts attached to the glass shall be removed W o samples shali be subjected to the test and both samples shall fuiñlthe requirements ````-`-`,,`,,`,`,,` - The impact shail be applied to the following positions: a) At the geomelric centse of the glass surface b) if the unit is fitted with shelves immediately behind the glass component, impact the glass surface instead of a) on the following points - at the centrai position between shelves; - or between a shelf and the top; - or between a shelf and the bottom; whichever is more likely to cause faiìure c) On the most adverse corner 100 mm from each visible edge of the glass After the tests the glass shail neither become entirely dislodged, nor break, or it shall break safely in one of the following ways: d) Numerous cracks or fissures appear but no opening within the glass component through which a cone with 75 mm diameter can pass freely e) Disintegration OCCULS but after impact the 10 largest crack-free particles shail weigh no more than the mass equivalent to 500 mmz of the original glass component NOTE It is still necessary to gather experience with this test method Stability fieestandhg units and combinations of units shail when unloaded not overbalance when an overturning moment of 200 Nm is applied During testing, all doors, flaps and drawers shall be closed and extension elements shail be pulled in Dimensions in mm P Point of impact Figure Poin- of impact and area of assessment BSI 1996 Copyright European Committee forO Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale BSI BS*EN*3353 96 W l b b b ỵ 0545673 460 W Page 10 ENll53:1996 10 Instahtion instnictions 11l k s t report Each wail and top mounted cabinet shaìl be supplied with installation instnictions.The instructions shaii contain at least the following information in the ianguage of the country where the furniture is sold: a) warning of danger if incorrectiy instalid, b) instaiMon only to be carried out by a competent person; c) the need to check the suitability of the WaiVceiiUig and to check that the fastening devices will withstand the forces generated For self assembly furniture the following additional information is requird d) list of parts supplied; e) list of toois required; and f') a diagram of the bolts and other fastenings The test report shail include the following items: a) reference to this European Standare b) details of the furniture tested; c) any defects observed before testing; d) the test results according to the applicable Clauses; e) details of any deviations from this European Standard; f) the name and address of the test facility, g) the date of test required ````-`-`,,`,,`,`,,` - Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS O BSI 1996 Not for Resale BSI B S * E N * L L = Lb24bb7 054.5672 Yb - 3T7 Page 11 EN 1153 : 1995 A.2 Apparatus Annex A (informative) Apparatus for slam open test of drawers A suitable apparatus for slam open tests of drawers consists of a pneumatidy actuated low-friction pistordcylinder with a means of regulating the pressure A.1 Principle of air supplied from a reservoir The air-flow between Lightweight (empty) drawers are slammed at the pistodcylinder and the reservoir is conkolled by consistently higher speeds than heavy (full) drawers an airaperated valve which allows the air stored in the Friction does not greatiy affect the slamming speed reservoir to be connected to the pistordcylinder rapidly, Sta-~dard‘empty’(5 kg) and fdi(35kg) drawers with when the control valve is operatd The rate of flow is minimal friction are used to simulate these conditions controlled by the incorporation of connecting tubing of Using these drawers the speed of the drawer slamming specified bores and lengths The pneumatic circuit is apparatus is a&usted to the slamming speeds specified shown in fígure Al \ \ ‘2 \ \ Key Cylinder (diameter 40 mm stroke 300 mm) Valve (nominal air flow i YO0 ümin) Tube (bore mm, length 720 mii z 900 Vmin) Pressure regulator (nominal air ;:z>w Air reservoir (radius 37,5 mm; length 350 mm; volume 545,6 em3) Tube (bore mm, length 040 mm) Air cleaner a) Free outlet; b) Valve to be mounted directly on cylinder; c) Primary pressure bar Figure A.1 Circuit diagram for pneumatic drawer slamming apparatus ````-`-`,,`,,`,`,,` - BSI 1996 Copyright European Committee for O Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale c’\ ~~ B S I BS*EN*aiL53 96 m Lb24bb’i 0545b73 233 m Page 12 ENll53:lM A3 Calibration Using two standard drawers, having masses of kg and 35 kg respectively, and exhibiting a total frictional force in the runners of not greater than 10 N, &brate the apparatus to produce the closing and opening velocities specifred in 8.6 Annex B (informative) Safety requirements and test methods A m m above floor ````-`-`,,`,,`,`,,` - centre of gravity (of the loaded item) 350 O mass of item + load Zone 1: Safety requirements and test methods for ẵ items, (e.g drawers have to fuiđi the requirements in accordance with 8.5) Zone Safety requirements and test methods for drawers, (open stops have to be tested with a force of 200 N) Zone No safety requirements and test methods Figure B.l Safety requirements and test methods Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS O BSI 1996 Not for Resale B S I B S * E N * 1 96 m 1624669 05q5674 17T m I BS EN 1153 : 1996 BSI - 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electronic, photocopying, recording or otherwise - without prior written permission from BSL This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or graàe designations If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained if permission is granted,the terms may include royalty payments or a licensing agreement Details and advice can be obtained from the Copyright Manager, BSI, 389 Chiswick High Road,London W4 4AL BSI 389 Chiswick High Road London w4 4AL ccw49 ISBN O 680 26836 X Copyright European Committee for Standardization Provided by IHS under license with CEN No reproduction or networking permitted without license from IHS Not for Resale ````-`-`,,`,,`,`,,` - Contract requirements