ISO-17485-2006.pdf
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1、 Reference number ISO 17485:2006(E) ISO 2006 INTERNATIONAL STANDARD ISO 17485 First edition 2006-06-15 Bevel gears ISO system of accuracy Engrenages coniques Systme ISO dexactitude Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980
2、755100 Not for Resale, 04/11/2007 06:17:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 17485:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited u
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5、 In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2006 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,
6、including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs 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 copyrightiso.org Web www.iso.org Pu
7、blished in Switzerland ii ISO 2006 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/11/2007 06:17:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 17485
8、:2006(E) ISO 2006 All rights reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 2 3 Terms, definitions and symbols 2 3.1 Terms and definitions. 2 3.2 Fundamental terms and symbols 6 4 Application of classification system. 7 4.1 General. 7 4.2 Accuracy grade cla
9、ssification. 7 4.3 Tolerance direction. 8 4.4 Additional characteristics 8 5 Tolerances. 8 5.1 Tolerance values. 8 5.2 Step factor . 8 5.3 Rounding rules 9 5.4 Tolerance equations. 9 6 Application of measuring methods. 11 6.1 Methods of measurement 11 6.2 Recommended measurement control methods 12 6
10、.3 Measurement data filtering 12 6.4 Tooth contact pattern inspections 12 Annex A (informative) Example tolerance tables 14 Annex B (informative) Single-flank composite measuring method 16 Annex C (informative) Accuracy of small module bevel gears 21 Annex D (informative) Interpretation of composite
11、 data 24 Bibliography. 32 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/11/2007 06:17:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 17485:2006(E) iv ISO 2006 All righ
12、ts reserved 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 technical committees. Each member body interested in a subject f
13、or which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on
14、 all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees a
15、re 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
16、responsible for identifying any or all such patent rights. ISO 17485 was prepared by Technical Committee ISO/TC 60, Gears. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/11/2007 06:17:19 MDTNo reproduct
17、ion or networking permitted without license from IHS -,-,- ISO 17485:2006(E) ISO 2006 All rights reserved v Introduction The measurement and tolerance specification of bevel gears are very complex subjects that were in need of international standardization. For these and other reasons, ISO/TC 60 app
18、roved the project based on a proposed document, ANSI/AGMA 2009-B01, Bevel Gear Classification, Tolerances, and Measuring Methods. At an early stage it was decided to develop two documents: this International Standard, with accuracy grades and definitions, and a separate Technical Report, ISO/TR 1006
19、4-6, containing inspection practice and measuring methods. These practices and measuring methods include topics such as manufacturing considerations, CMM measurements, contact pattern checking, and advanced topics such as bevel gear flank form analysis. Prior to the development of this International
20、 Standard, the accuracy grades described in ISO 1328, for cylindrical gears, were often used for bevel gears. However, this use was not always consistent with the specific requirements and general practices followed within the bevel gear industry. This International Standard contains items that are
21、distinctly different from ISO 1328-1:1995: the definitions, tolerance diameter and measuring directions are specifically for bevel gears; accuracy grade tolerances are based on equations and not on tables; there is approximately one grade difference in tolerance level between bevel and cylindrical g
22、ears, similar to that used by the DIN system of tolerances. The use of the definitions and accuracy grades within this International Standard should improve the consistent application of bevel gear geometrical tolerances for the general benefit of industry. Copyright International Organization for S
23、tandardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/11/2007 06:17:19 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=A
24、ramco HQ/9980755100 Not for Resale, 04/11/2007 06:17:19 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 17485:2006(E) ISO 2006 All rights reserved 1 Bevel gears ISO system of accuracy 1 Scope This International Standard establishes a classificatio
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