ISO INTERNATIONAL STANDARD 16084 First edition 2017-10 Balancing of rotating tools and tool systems Equilibrage pour outils rotatifs et systemes d'outillage Reference number IS0 16084:2017(E) ISO @IS02017 IS0 16084:2017(E) COPYRIGHTPROTECTEDDOCUMENT @IS0 2017,Published in Switzerland 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 written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax+4122 74909 47 [email protected] www.iso.org ii @ IS0 2017 - All rights reserved IS0 16084:2017(E) Contents Page Foreword .iv Introduction .V 1 Scope .1 2 Normative references .1 3 Terms, definitions, symbols and abbreviated terms .1 3.1 Terms and definitions. 1 3.2 Symbols and abbreviated terms. .3 4 Requirements .6 4.1 General 6 4.1.1 Clamping inaccuracies .6 4.1.2 Influence of balancing machines. 6 4.1.3 Effects and frequent consequences of permissible residual unbalances accordingto IS01940-1 7 4.1.4 Inherent properties of machine tools and components. .7 4.2 Balancing requirements based on the spindle load. 7 4.2.1 General 4.2.2 Determination of the balancing requirements 10 4.2.3 Measuring accuracy of balancing machines, influence of run-out and repeatability of measuring results 14 4.2.4 Application criterion of static and dynamic balancing 15 4.2.5 Permissibleresidualdynamicunbalances 15 4.2.6 Balancing requirements for tool systems with guidance .20 4.2.7 Influence of the HsK (hollow taper shank) on the dynamic unbalance. .22 4.3 Safety-related unbalance limitations (G40) according to IS0 15641 23 4.4 Graphic visualization of the balancing requirements 23 4.5 Special tools with asymmetric body shapes 25 5 Balancing of tool systems .25 5.1 General 25 5.2 Balancing of tool system components 27 5.3 Influence of the angular orientation of component unbalances .29 5.4 Influenceof clampingdislocations 29 5.5 Integration of tool system components balanced according to Iso 1940-1 .30 5.6 Calculationofthepermissiblerotationalspeeddependingonactualunbalance 30 5.7 Determination and calculation of the position of the centre of gravity 31 5.7.1 Experimental determination of the centre of gravity .31 5.7.2 Calculation of the centre of gravity of a modular tool system. .31 5.8 Balancing of tools and components with alternative interfaces 32 5.9 HsK adapters with rotationally symmetrical tools. 32 5.10 Remarks for setup and balancing of tool systems.. .33 6 Data representation and exchange. .34 Annex A (informative) Permissible residual unbalances - Theoretical approach and calculation examples. .36 Annex B (informative) Calculation examples of tool systems.. .61 Annex C (normative) XML file structure for the documentation of balancing information ..66 Annex D (informative) Fundamental unbalance formula, correlations and practical advice ..68 Bibliography .71 @ IS0 2017 - All rights reserved ii