ISO INTERNATIONAL 230-3 STANDARD Third edition 2020-11 Test code for machine tools Part 3: Determination of thermal effects Code d'essai des machines-outils Partie 3:Evaluation des effets thermiques Reference number ISO 230-3:2020(E) O ISO 2020 ISO 230-3:2020(E) COPYRIGHT TPROTECTED DOCUMENT OIS02020 All rights reserved.Unless otherwise specified,or required in the context of its implementation,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 CP 401-Ch.deBlandonnet 8 CH-1214 Vernier,Geneva Phone:+41227490111 Email:copyright@iso.org Website:www.iso.org Published in Switzerland ii @ISO 2020-All rights reserved 230-3:2020(E) ISO Contents Page Foreword I Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Preliminary remarks 4.1 Measuring units 4.2 Reference to ISO 230-1... 4.3 Recommended instrumentationand test equipment 4.4 Machine tool conditions prior to testing 4.5 Testing sequence 4.6 Test environment temperature 4.7 Uncertainty due to temperature effects 5 Environmental temperature variation error (ETVE)te.st. 5.1 General 5.2 Test method 5.3 Interpretation of results.. 5.4 Presentation of results 14 Thermal distortion caused by rotating spindle 6 15 6.1 General 6.2 Test method .. 6.3 Interpretation of results 6.4 Presentation ofresults 7 Thermal distortion caused by linear motion of components 19 7.1 General 19 7.2 Test method 20 7.2.1 Measurement positions 20 7.2.2 Setup ofinstruments 20 7.2.3 Test cycle 26 7.2.4 Temperature measurements 27 7.2.5 Compensations 27 7.3 Presentationofresults... 27 8 Thermal distortion due to rotary motion of components 31 8.1 General 31 8.2 Test method 31 8.2.1 Target positions 31 8.2.2 Test setup 31 8.2.3 Test cycle. .33 8.2.4 Temperature measurements 34 8.2.5 Presentation of results.... 34 Annex A (informative) Information on linear displacement sensors 37 Annex B(informative)Guidelines on the required number of linear displacement sensors ... 41 Annex C(informative)Guidelines formachine tool thermal environment .44 Annex D (informative) Alternative measurement devices and set-ups 46 Bibliography. 50 OIS0 2020-All rightsreserved ili