ISO INTERNATIONAL STANDARD 3919 Fourth edition 2005-03-15 Coated abrasives Flap wheels with shaft Abrasifs appliqués - Roues a lamelles sur tige Reference number ISO 3919:2005(E) Copyright International Organization for Standardization @ISO2005 itted without license from IHS Not for Resale ISO 3919:2005(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 ?ISO2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland yemainagazainandardizato @ISO2005-All rightsreserved mittedwithout license from IHS Not for Resale ISO3919:2005(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO non-governmental, in liaison with isO, also take part in the work. IsO collaborates closely with the 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. 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 3919 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 5, Grinding wheelsandabrasives. This fourth edition cancels and replaces the third edition (IsO 3919:1993), which has been technically revised maaaiandardizato orneworkingmitedwithout licene fromH Not for Resale INTERNATIONAL STANDARD ISO 3919:2005(E) Coated abrasives Flap wheels with shaft 1 Scope This International Standard specifies the nominal dimensions and limit deviations of flap wheels with shaft for use on hand-held grinding machines. It also specifies the designation and marking of the flap wheels. 2 Requirements See Figure 1 and Table 1. Designation Flap wheels with shafts conforming to this International Standard shall be designated by a) “Flap wheel with shaft", (q reference to this International Standard, i.e.ISO 3919, c) the diameter of the flap wheel, D, in millimetres, (p the width of the flap wheel, T, in millimetres, e) the shaft diameter, Sd, in millimetres, f) the length of the shaft, L, in millimetres. EXAMPLE A flap wheel with shaft, with diameter D = 60 mm, width T= 20 mm, shaft diameter Sa = 6 mm and L = 40 mm is designated as follows: Flap wheel with shaft ISO 3919 - 60 × 20 × 6 × 40 4 Marking Flap wheels with shaft shall be marked with the following information: manufacturer, supplier, importer or their registered trademark; b) dimensions; c) maximum operating speed; (p maximum permi