ISO INTERNATIONAL STANDARD 10072 Second edition 2004-02-01 Tools for moulding Sprue bushes - Dimensions Outillage de moulage — Buses d'injection - Dimensions Reference number ISO 10072:2004(E) ISO @ISO2004 ISO 10072:2004(E) PDFdisclaimer 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 trademarkof 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. ?ISO2004 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 ii @ISO 2004 -All rights reserved ISO 10072:2004(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 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. 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 10072 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 8, Tools for pressing and moulding. technically revised. @ IsO 2004 - All rights reserved ili INTERNATIONAL STANDARD ISO 10072:2004(E) Tools for moulding Sprue bushes Dimensions 1 Scope This International Standard specifies the main dimensions and tolerances, in millimetres, of sprue bushes that areusedmainlyininjectionmouldsforplasticsandrubbers(anapplicationexampleisshowninFigure1) ItalsospecifiesthehardnessanddesignationofspruebushesconformingtothisInternationalStandard 2 Key ejector pin (ISO 6751) 7 2 sprue puller (Iso 16915) 3 locating ring (IS0 10907-1) 4 sprue bush (Is0 10072) 5 dowel pin (ISO 8734) Figure1—Application example of sprue bushes @ ISO 2004-All rights reserved ISO 10072:2004(E) 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IsO 2768-1, General tolerances - Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 4957, Tool steels 31 Dimensions See Figures 2 and 3 and Table 1. Dimensions in millimetres, surfaceroughnessvaluesinmicrometres General tolerances IsO 2768-m /Ra0,8 0,02A Rao. /Ra0,4 [A Ra0,8 Epo ipo 6 /Ra0,8 Φ4H10 0,5k Key fixing hole α=30',1°or1°30'atthemanufacturer'sdiscretion. Figure 2 - Type A, with radius to match Figure 3 - Type B, straight to match machine nozzle mac