ISO INTERNATIONAL STANDARD 9284 Second edition 2013-04-15 Abrasive grains Test-sieving machines Grains abrasifs - Machine a tamiser de controle Reference number ISO 9284:2013(E) ISO @ IS0 2013 IS0 9284:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax+41227490947 E-mail copyright@iso.org Web www.iso.org Published in Switzerland .ii IS02013-Allrightsreserved IS0 9284:2013(E) Contents Page Foreword ..iv 1 Scope. ..1 2 Normative references ..1 3 Operational requirements ..1 4 Technical description 5 Technical requirements. 5.1 Nest of test sieves and sieve frames. .3 5.2 Sieving time 6 Installation of test-sieving machines 7 Checking of test-sieving machines. 8 Maintenance of test-sieving machines .s0.2013.-.l rights reserved ii