BS ISO BRITISH STANDARD 3089:2005 Machine tools Test conditions for self-centring, manually-operated chucks with one-piece jaws ICS 25.060.20 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO3089:2005 National foreword This British Standard reproduces verbatimIS03089:2005 and implements it as the UK national standard. It supersedes BS 1983-2:1994 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MTE/1, Machine tools, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposalsfor change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the“Search" facility of the BSI Electronic Catalogue or of British Standards Online This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not ofitself confer immunity fromlegal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 12, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendmentsissuedsincepublication This British Standard was Amd. No. Date Comments published under the authority of the Standards Policy and Strategy Committee on 20 January 2006 @ BSI 20 January 2006 ISBN 0 580 47456 9 BS IS0 3089:2005 ISO INTERNATIONAL STANDARD 3089 Third edition 2005-11-15 MachinetoolsTestconditionsfor self-centring, manually-operated chucks with one-piece jaws Machines-outils-Conditions d'essai pour mandrins a serrage concentrique et a commande manuelleavec mors monobloc Reference number ISO 3089:2005(E) ii BSIS03089:2005 Contents Page Foreword iv 1 Scope. 2 Normative references 3 Preliminary remarks. 4 Accuracy classes.. Geometrictests. 5.1 Master pinion.. 5.2 Input torque .... 5.3 Test mandrels.. 5.4 Test rings.. 5.4.1 General..... 5.4.2 Accuracy of the test rings for external jaws 5.4.3 Accuracy of the test rings for internal jaws. 5.5 Spindleorfaceplateaccuracy 5.6 Chuck accuracy... Bibliography. ili BSIS03089:2005 Foreword ISsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization 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. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO3089waspreparedbyTechnicalCommitteeISO/TC39,Machinetools,SubcommitteeSC8,Work holding spindlesandchucks. This third edition cancels and replaces the second edition (isO 3089:1991), which has been technically revised. In particular, the tables and figures have been modified. iv BSISO3089:2005 Machine tools Test conditions for self-centring, manually-operated chucks with one-piece jaws 1 Scope tolerances for self-centring, manually-operated chucks for machine tools with more than two