ISO-2395-1990.pdf
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1、INTERNATIONAL STANDARD NORME INTERNATIONALE IS0 2395 Second edition Deuxihme Edition 1990-12-01 Test sieves and test sieving - Vocabulary Tamis et tamisage de contrale - Vocabulaire Reference number Num6ro de rhfhrence IS0 2395 : 1990 (E/F) Copyright International Organization for Standardization Pr
2、ovided by IHS under license with ISO Licensee=Defense Supply Ctr/9960866100 Not for Resale, 04/24/2007 10:23:44 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 2395 : 1990 (E/F) Contents Foreword. iii 1 Scope 2 Normative references . 3 Definitions 3.1 Material to be sie
3、ved 3.2 Testsieves 3.3 Test sieving. . 3.4 Expression of results Alphabetical indexes English French Sommaire Avant-propos . 1 Domaine dapplication 2 R6fkences normatives 3 Dbfinitions 3.1 Mati Bprouvette: Cchantillon utili cover: Device which fits snugly over a sieve to prevent the escape of materi
4、al to be sieved. 3.2.10 receiver; pan: Device which fits snugly beneath a sieve to receive the whole of the passing fraction. 3.2.11 frame: Device which supports the sieving medium at its perimeter and limits the spread of material to be sieved. 3.2.12 sieving medium: A surface containing regularly
5、arranged apertures of uniform shape and size. 3.2.13 woven wire cloth: Sieving medium, produced by a wire weaving process. The wires form square apertures of uniform size. 3.2.14 perforated plate: Sieving medium consisting of a plate with uniform holes in a regular arrangement. The holes may be roun
6、d or square. 3.2.15 electroformed sheet: Sieving medium made of metal sheet with round or square apertures, produced by electrochemical methods. 3.2.16 aperture size: Dimension defining an opening in a sieving medium. 3.2.17 pitch (I) For woven wire cloth, the distance between the axes of two adjace
7、nt wires in the weft or the warp. (2) For perforated plate and electroformed sheet, the distance between corresponding points of two adjacent holes. 3.2.7 profondeur du tamis, HI: Distance entre le bord superieur du tamis et le fond du tamis koir figure I). 3.2.8 hauteur du tamis, Hz: Distance entre
8、 les bords superieurs et inferieurs du tamis (voir figure 1). 3.2.9 couvercle: Accessoire ajuste B la partie superieure dun tamis pour eviter les pertes de mat cerce: Cadre servant B la fixation du fond de tamis a son pour-tour et B contenir la matiere B tamiser. 3.2.12 fond de tamis: Surface pourvu
9、e douvertures, de forme et de dimensions identiques, disposees dune fapon reguliere. 3.2.13 tissu metallique: Fond de tamis, produit par tissage. Les fils forment des ouvertures car shoot: All wires running crosswise of the cloth as woven. 3.2.22 trame: Ensemble des fils perpendiculaires 8 la chaine
10、. 3.2.23 plain weave: Type of weave in which every warp wire crosses alternately above and below every weft wire and vice versa (see figure 2). 3.2.23 armure ccunix Mode dentrecroisement dans lequel chaque fil de chaine passe alternativement au-dessus et au- dessous de chaque fil de trame et recipro
11、quement (voir figure 2). Figure 2 - Plain weave Figure 2 - Armure ccunin 3.2.24 twilled weave: Type of weave in which every warp wire crosses alternately above and below two weft wires and vice versa (see figure 3). 3.2.24 armure cccroisrb: Mode dentrecroisement dans lequel chaque fil de charne pass
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