1、BSI Standards PublicationBS EN 14468-2:2015Table tennisPart 2: Posts for net assemblies Requirements and test methodsBS EN 14468-2:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 14468-2:2015. It supersedes BS EN 14468-2:2005 which is withdrawn.The UK parti
2、cipation in its preparation was entrusted to Technical Committee SW/136/25, Table tennis tables.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are respons
3、ible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 83104 1 ICS 97.220.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standar
4、ds Policy and Strategy Committee on 31 March 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14468-2 March 2015 ICS 97.220.30 Supersedes EN 14468-2:2005English Version Table tennis - Part 2: Posts for net assemblies
5、- Requirements and test methods Tennis de table - Partie 2: Filets et leurs accessoires - Exigences et mthodes dessai Tischtennis - Teil 2: Pfosten von Netzgarnituren - Anforderungen und Prfverfahren This European Standard was approved by CEN on 26 December 2014. CEN members are bound to comply with
6、 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 concerning such national standards may be obtained on application to the CEN-CENELEC Manage
7、ment Centre 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 own language and notified to the CEN-CENELEC Management Centre has the same stat
8、us as the official versions. CEN members are the national standards bodies of 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
9、, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN
10、All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14468-2:2015 EBS EN 14468-2:2015EN 14468-2:2015 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Classification 5 5 Functional requirements .
11、5 5.1 Dimensions .5 5.2 Net supporting posts .8 5.3 Devices for attaching 9 6 Safety requirements . 10 7 Test methods . 10 BS EN 14468-2:2015EN 14468-2:2015 (E) 3 Foreword This document (EN 14468-2:2015) has been prepared by Technical Committee CEN/TC 136 “Sports, playground and other recreational f
12、acilities and equipment”, 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 September 2015, and conflicting national standards shall be withdrawn at the late
13、st by September 2015. Attention is drawn to the possibility that some of the elements of this 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 14468-2:2005. EN 14468 Table tennis
14、consists of the following parts: Part 1: Table tennis tables, functional and safety requirements, test methods Part 2: Posts for net assemblies, Requirements and test methods In relation to EN 14468-2:2005, the following changes have been made: a) additional functional requirements were added for 5.
15、2 “net supporting posts“; b) Clause 6 “Safety requirements“ was specified more precisely. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Cze
16、ch 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 the United Kingdo
17、m. BS EN 14468-2:2015EN 14468-2:2015 (E) 4 1 Scope This European Standard specifies requirements for net assemblies permanently or temporarily attached to a table tennis table in accordance with EN 14468-1. 2 Normative references The following documents, in whole or in part, are normatively referenc
18、ed in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 14468-1:2015, Table tennis Part 1: Table tennis tables, functional and saf
19、ety requirements, test methods 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 14468-1:2015 and the following apply. 3.1 net supporting post device consisting of a vertical post, a horizontal part and an attaching system Note 1 to entry: An example of
20、 a net post is shown in Figure 1. Note 2 to entry: In this document the net supporting post may be called net post. BS EN 14468-2:2015EN 14468-2:2015 (E) 5 Key 1 upright post 2 height adjustment 3 horizontal part 4 attaching system (clamp) Figure 1 Example of a net post 4 Classification Net assembli
21、es are classified by the intended end-use (classes) as shown in Table 1. Table 1 Classes Class Intended end-use A High competition B School and club sports C, D Recreational sports 5 Functional requirements 5.1 Dimensions Net posts shall comply with the dimensions shown in Figures 2 to 4 and Table 2
22、. BS EN 14468-2:2015EN 14468-2:2015 (E) 6 Figure 2 Dimensions of net supporting and attaching systems Figure 3 Cross-section of upright post and limits for the protection of adjusting device BS EN 14468-2:2015EN 14468-2:2015 (E) 7 Figure 4 Cross-section of horizontal part of the netpost and limits f
23、or the protection of adjusting devices BS EN 14468-2:2015EN 14468-2:2015 (E) 8 Table 2 Dimensions of net supporting and attaching systems of classes A to D Dimensions in millimetres Net post Devices attaching the net assembly to the table Class Final net height ato be adjusted at Height aof the vert
24、ical post Square circumscribing the crosssection of the post Outside distance of the post from the tabletop side Projection of any adjusting device Parts under the table Parts along the tabletop side wider than the horizontal part Other parts included in the undercarriage or in the horizontal part o
25、f the net support depth/width distance of the device (inside, outside) to the tabletop side (when the possibility for cutting or squeeze section exists) inside/ outside length for each tabletop top of device below tabletop elevation h1 h2 l1/b1 b2 l2 b4 l4 A 152,5 155,5 22 152,5 2 7 100 / 50 15 / 30
26、 100 12 B 152,5 157,5 25 152,5 4 7 100 / 50 15 / 30 300 12 C, D 152,5 5 162,5 / 15 / 300 Horizontal part of the net support Class Width Length of the portion projection outside the tabletop Full height of the portion projecting outside the tabletop Full height of the opening of the clamp Thicknessau
27、nder the mesh Thicknessaalong the mesh Extension of the portion projecting over the table top surface l3b3h3h4h5h6b5A 45 160 80 30 5 15 100 B 60 160 80 30 10 20 100 C, D aHeight and thickness to be considered as “above the elevation of the tabletop surface”. 5.2 Net supporting posts The net supports
28、 can be permanently or removable attached to the table. They are removable attached if they are removed when the table is closed to the storage position. They are permanently attached if they do not need or cannot be removed when the table is closed to the storage position. For class A net assemblie
29、s, the following considerations shall be relevant: The cross-section of the upright post shall be capable of being circumscribed by a 22 mm square. BS EN 14468-2:2015EN 14468-2:2015 (E) 9 Any device for adjusting the height of the net or the tension in a suspending cord shall not project more than 7
30、 mm either from the upright post; or from the sides or the bottom of the horizontal part of the net supporting post. It is recommended that the height adjustment parts remain in their intended working position and do not fall out. No increase of the length of the horizontal part is acceptable. The s
31、tructure of the net post shall guarantee that the net can be suspended exactly at a height of h1= 152,5 mm above the playing surface. The outside limits of the post are 152,5 mm away from the tabletop. It shall be possible to adjust the net height by a minimum of 4,5 mm to h1for classes A and B. The
32、 outside limit of the horizontal part of the net support shall not be more than 160 mm away from the tabletop. The full height of the outside portion of the horizontal part of the net support shall not be more than 80 mm. The horizontal part of the net support shall not project more than 100 mm acro
33、ss the table surface along its net edge, and not less than 55 mm for non-permanent nets of class A and B. On its full length, the horizontal part of the net support may not be more than 45 mm wide and 15 mm above the elevation of the tabletop surface. In order to allow the mesh of the net getting cl
34、ose to the table surface, there may be a channel in the horizontal part, at least 4 mm wide, and whose bottom shall be not more than 5 mm above the table surface. Permanently attached net posts can be attached to the frame of the tabletop or to the undercarriage or to both. 5.3 Devices for attaching
35、 Removable net supports can be attached to the playing board by a screw clamp, by a spring clamp or by other suitable means. In any case, the attaching systems shall: a) be easy to attach; b) be firmly attached and resist tension in the net-cord; c) not cause damage to the tabletop; d) for class A,
36、not project more than 100 mm under the table; e) not be more than 50 mm wide under the table. Any parts of the attaching devices of the net support that are wider than the horizontal part of the net support shall observe the following conditions: f) at least 12 mm under the tabletop surface; g) leng
37、th less than 100 mm (class A) or 300 mm (classes B to D) at each tabletop; h) be at least 15 mm away from the table side because of shearing. BS EN 14468-2:2015EN 14468-2:2015 (E) 10 Any other parts of the attaching devices of the net post that are narrower than its horizontal part shall observe bot
38、h the restrictive dimensions for the undercarriage (see EN 14468-1:2015) and for the horizontal part of the net post. 6 Safety requirements If a net post is permanently attached to the table or removable no part of it shall be liable hurt the player or damage the tabletop. If a net post is operated
39、by a spring clamp a safety clearance of at least 12 mm (h4) shall exist when the clamp is removed from the table. Any change in height, thickness or width of any of the parts of the net posts shall neither be abrupt nor generate sharp or pointed edges or corners. 7 Test methods The requirements of C
40、lauses 5 and 6 shall be appropriately verified, e. g. by measurement, visual inspection, tactile or functional testing. This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is inco
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