ISO INTERNATIONAL STANDARD 28927-10 First edition 2011-04-15 Hand-held portable power tools Test methods for evaluation of vibration emission - Part 10: Percussive drills, hammers and breakers Machines a moteur portatives - Methodes d'essai pour I'évaluation de l'éemissiondevibrations- Partie 10: Marteaux a percussion, perforateurs et brise-béton Reference number ISO 28927-10:2011(E) @ISO 2011 HS under ted without license from IHS Not for Resale ISO 28927-10:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 IsO's memberbody 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 2011-All rights reserved etworking permitted without license from IHS Not for Resale ISO 28927-10:2011(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 ... 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.. L Instrumentation requirements 12 7.1 General.. 12 7.2 Mounting of transducers 12 7.3 Frequencyweighting filter... 12 7.4 Integration time............ 7.5 Auxiliary equipment, 7.6 Calibration... 13 8 Testing and operating conditions of the machinery... 13 8.1 13 8.2 Operating conditions ..... 13 8.3 Other quantities to be specified.... 14 8.4 Attached equipment, workpiece and task... 14 8.5 19 9 Measurement procedure and validity. 19 9.1 Reportedvibrationvalues.... 19 9.2 Declaration and verification of the vibration emission value .... 19 10 Measurement report... ..20 Annex A (informative) Model test report for percussive drills, hammers and breakers .21 Annex B (normative) Determination of uncertainty . ..23 Annex C (normative) Design of steei baii absorber .. ..26 Bibliography.. 27 CopyrightntemationalOrganzansadardizaloghtsreserved ii ted without license from IHS Not for Resale