ISO INTERNATIONAL STANDARD 2490 Third edition 2007-10-01 Solid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 40 module Nominal dimensions Fraises-meres monoblocs a entrainement par tenon ou par clavette, de modules0.5a40-Dimensionsnominales Reference number ISO 2490:2007(E) @ ISO 2007 yIHSunder Not for Resale ISO 2490:2007(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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTED DOCUMENT @ISO2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISo 2007 - All rights reserved I without license from IHS Not for Resale ISO 2490:2007(E) Contents Page Foreword. .. iv 1 Scope 2 Normative references. 3 Nominal dimensions... Annex A (informative) Multiple thread hobs 5 Bibliography..... Copyrght InternationalOrganizasandardizaoghtsreserved ii IHSunder ense from IHS Not for Resale ISO 2490:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen established has the right to be represented on that committee. International organizations, governmental and International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 2490 was prepared by Technical Committee ISO/TC 60, Gears, Subcommittee SC 1, Nomenclature and wormgearing. This third edition cancels and replaces the second edition (IsO 2490:1996), of which Tables 1 and 2, Figure 1 and Annex A have been technically revised. ISO 2007 - All rights reserved onal Organization for Standardizatior INTERNATIONAL STANDARD ISO 2490:2007(E) Solid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 4o module Nominal dimensions Scope This International Standard specifies the nominal dimensions of general-purpose single-start solid (monobloc) gear hobs with axial keyway or tenon drive of 0,5 to 40 module. These hobs are intended for the production of gears which conform to isO 54 and present a 20° pressure angle in conformity with ISO 53. NOTE Solid hobs are those made from one solid piece of material, as opposed to hobs which have inserted blades 2 Normative references The following referenced documents are indispensable for the application of this document. For dated document (including any amendments) applies. Iso 53:1998, Cylindrical g