ISO INTERNATIONAL STANDARD 1328-1 Secondedition 2013-09-01 Cylindrical gears ISO system of flank tolerance classification - Part 1: Definitions and allowable values of deviations relevant to flanks of gear teeth EngrenagescylindriquesSystemeIsodeclassificationdes tolerances surflancs Partie 1:Definitions etvaleurs admissibles des écarts pourles flancs deladenture Referencenumber IS01328-1:2013(E) LSO Copyright International Organization for Standardization @IS02013 license from IHS IS0 1328-1:2013(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 written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Case postale 56.CH-1211 Geneva 20 Tel.+41227490111 Fax+41227490947 E-mail copyright@iso.org Webwww.iso.org Published in Switzerland @ IS0 2013 - All rights reserved 844001, User=sharabiani, shahramfs No reproduction or networking permited without license from IHS IS0 1328-1:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms, definitionsand symbols .2 3.1 Fundamental terms and symbols .2 3.2 General dimensions. ..6 3.3 Pitch deviations 9 3.4 Profiledeviations 10 3.5 Helix deviations. .14 4 ApplicationoftheIsoflanktoleranceclassificationsystem .17 4.1 General 17 4.2 Geometricalparameterstobeverified .17 4.3 Equipmentverification and uncertainty .19 4.4 Considerations for elemental measurements 19 4.5 Specification of gear flank tolerance requirements 24 4.6 Acceptanceand evaluation criteria .25 4.7 Presentationof data .25 5 Tolerance values .25 5.1 General. 25 5.2 Use of formulae .26 5.3 Tolerance formulae .26 AnnexA (normative)Zone-basedtoleranceevaluation .28 AnnexB (normative)Evaluation ofprofile andhelix deviationsusing the second order analysis method.. .32 Annex C (informative) Profile and helix data filtering .35 AnnexD(informative)Sectorpitchdeviation .37 AnnexE (normative)Allowablevaluesofrunout ..40 AnnexF (informative) Singleflank compositetesting ..43 Annex G (informative) Adjacent pitch difference, fu .48 Bibliography ..50 iii Sta thout license from IHS Notfor