EN ISO 24342-2012 en Resilient and textile floor-coverings - Determination of side length edge straightness and squareness of tiles (Incorporates Amendment A1 2012)《弹性和纺织品地板覆盖物 瓷砖的.pdf

《EN ISO 24342-2012 en Resilient and textile floor-coverings - Determination of side length edge straightness and squareness of tiles (Incorporates Amendment A1 2012)《弹性和纺织品地板覆盖物 瓷砖的.pdf》由会员分享，可在线阅读，更多相关《EN ISO 24342-2012 en Resilient and textile floor-coverings - Determination of side length edge straightness and squareness of tiles (Incorporates Amendment A1 2012)《弹性和纺织品地板覆盖物 瓷砖的.pdf（18页珍藏版）》请在麦多课文档分享上搜索。

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 24342:2012+A1:2012Resilient and textile floor-coverings Determination of side length, edge, straightness and squareness of tilesBS EN ISO 24342:2012+A1:2012National for

2、ewordThis British Standard is the UK implementation of EN ISO 24342:2012+A1:2012. It is identical to ISO 24342:2007, incorporating amendment 1:2012. It supersedes BS EN ISO 24342:2012, which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee PRI/60, Resilient f

3、loor coverings, to Subcommittee PRI/3/60, Textile b) reference to this International Standard, i.e. ISO 24342, and the method used; c) previous history of the sample; d) date the test was completed; e) the atmosphere for conditioning and testing;f) the deviation of the side lengths of the test unit

4、to the nearest 0,02 mm; g) the out-of-squareness of the test unit to the nearest 0,02 mm; h) maximum deviation (straightness) for each side of tile in millimetres, to the nearest 0,05 mm; i) any deviation from this International Standard that can affect the results.Table 1 Typical measurement dataGa

5、uges A B C D Rotation No. mm 1 0,02 0,00 0,02 0,02 2 0,03 0,02 0,02 0,03 3 0,04 0,03 0,03 0,02 4 0,04 0,02 0,05 0,04 Table 2 CalculationsLength and width deviation Squareness deviation Length deviation, Left side = (1A + 3C)/2 Corner 1 = (D1) Length deviation, Centre = (1B + 3B)/2 Corner 2 = (D2) Le

6、ngth deviation, Right side= (1C + 3A)/2 Corner 3 = (D3) Width deviation, Left side = (2A + 4C)/2 Corner 4 = (D4) Width deviation,Centre= (2B + 4B)/2 Width deviation, Right side = (2C + 4A)/2 Straightness of edge 1 = the maximum of (1A 1B, 1A 1C ,1B 1C) BS EN ISO 24342:2012+A1:2012 EN ISO 24342:2012+

7、A1:2012 (E) ISO 201310 Bibliography1 ASTM F2055, Standard Test Method for Size and Squareness of Resilient Floor Tile by Dial GageMethod2 EN 427, Resilient floor coverings Determination of the side length, squareness and straightness oftiles3 JIS A 1454, Test Methods Resilient floor coverings, secti

8、on 6.3 Dimension, Straightness andSquareness of Floor TileBS EN ISO 24342:2012+A1:2012 EN ISO 24342:2012+A1:2012 (E) ISO 2013This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and ser

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