ISO INTERNATIONAL STANDARD 28927-4 First edition 2010-12-15 Hand-held portable power tools Test methods for evaluation of vibration emission - Part 4: Straight grinders Machines a moteur portatives - Méthodes d'essai pour I'évaluation de Temissiondevibrations- Partie 4: Meuleuses droites Reference number ISO 28927-4:2010(E) @ISO 2010 py IHS under lic itted without license from IHS Not for Resale ISO 28927-4:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by Iso member bodies. In COPYRIGHTPROTECTEDDOCUMENT @ISO2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2010 - All rights reserved I without license from IHS Not for Resale ISO 28927-4:2010(E) Contents Page Foreword .iv Introduction ..vi 1 Scope 2 Normative references.. 3 Terms, definitions and symbols 3.1 Terms and definitions .. 3.2 Symbols...... 4 Basic standards and vibration test codes ... 3 5 Description of the family of machines . 6 Characterization of vibration. 6.1 Direction of measurement... 6.2 Location of measurements.. 6.3 Magnitude of vibration . 6.4 Combination of vibration directions... 7 Instrumentation requirements . .5 7.1 General .. 7.2 Mounting of transducers . 7.3 Frequency-weighting filter.. 7.4 Integration time........... 7.5 Auxiliary equipment. 7.6 Calibration... 8 Testing and operating conditions of the machinery... 8.1 8.2 Operating conditions .... 8.3 Other quantities to be specified... 8.4 Attached equipment, work piece and task... 8.5 0 9 Measurement procedure and validity. 10 9.1 Reported vibration values .... 10 9.2 Declaration and verification of the vibration emission value .... 11 10 Measurement report... .11 Annex A (informative) Model test report for vibration emission of straight grinders. 13 Annex B (normative) Determination of uncertainty .. ..15 Annex C (normative) Design of test wneei... .17 Bibliography .23 CopyrightntemationalOrganzansadardizaloghtsreserved ii ted withoutlicensefromIHS Not for Resale