ISO INTERNATIONAL STANDARD 3070-1 Third edition 2007-12-15 Machine tools Test conditions for testing the accuracy of boring and milling machines with horizontal spindle - Part 1: Machines with fixed column and movable table Machines-outils-Conditions d'essai pour le controle de I'exactitude des machines a aleser et a fraiser a broche horizontale- Partie 1: Machines a montant fixe et a table mobile Reference number ISO 3070-1:2007(E) @ ISO 2007 THS unde Not for Resale ISO 3070-1:2007(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. COPYRIGHTPROTECTEDDOCUMENT @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 without license from IHS Not for Resale ISO 3070-1:2007(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references ... 3 Terminology and designation of axes. 4 Definition of the machining operations carried out on these machines 4.1 Boring operations... 4.2 Milling operations 5 Special remarks concerning particular elements.. 5.1 Spindle heads.... 5.2 Tables.. 5.3 Steady blocks. 6 Preliminary remarks ... 6.1 Measuring units .......... 6.2 Reference to ISO 230-1. .5 6.3 Testing sequence.... 6.4 Tests to be performed.. 6.5 Measuring instruments, .6 6.6 Machining tests.. 6.7 Software compensation 6.8 Minimum tolerance .... 7 Geometric tests.. 7.1 Straightness and angular deviations of coordinate axes.... 7.2 Squareness between coordinate axes.. 13 7.3 Table.... 15 7.4 Indexing or rotary table.. .18 7.5 Boring spindle.... 21 7.6 Milling spindle... 27 7.7 28 7.8 Integral facing head 7.9 Steady block.... .35 8 Machining tests. ...36 6 Checking accuracy and repeatability of positioning by numerical control.. 10 Geometric accuracy of axes of rotation of tool-holding spindles. .49 Bibliography ... ...51 Copyrght InternationalOrganizasandardizlonghtsreserved ili e from IHS Not for Resale ISO 3070-1:2007(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. 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 3070-1 was prepared by Technical Committee ISO/TC 39, Machine tools, Subcommittee SC 2, Test conditions for metal cutting machine tools. This third ed