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1、I r a J IS JAPANESE I N DUSTR IAL STANDARD Translated and Published by Japanese Standards Association JOMA/ JSA) Standard scales a ICs 17.040.30 Descriptors : instrument scales Reference number : JIS B 7541 : 2001 (E) 6s Copyright Japanese Standards Association Provided by IHS under license with JSA
2、Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 01:54:37 MDTNo reproduction or networking permitted without license from IHS -,-,- B 7541 : 2001 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the Minister of Econo
3、my, Trade and Industry through deliberations at the Japanese Industrial Standards Committee, as the result of proposal for revision of Japanese Industrial Standard submitted by the Japan Optical Measuring Instruments Manufacturers? Association (JOMA)/the Japanese Standards Association (JSA) with the
4、 draft being attached, based on the provision of Article 12 Clause 1 of the Industrial Standardization Law. Consequently JIS B 7541 : 1973 is replaced with this Standard. Date of Establishment: 1973-01-01 Date of Revision: 2O1-03-20 Date of Public Notice in Official Gazette: 2001-03-21 Investigated
5、by: Japanese Industrial Standards Committee Divisional Council on Precision Machinery JIS B 7541 :2001, First English edition published in 2001-10 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to th
6、e contents, the original JIS is to be the final authority. O JSA2001 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 f
7、rom the publisher. Printed in Japan Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 01:54:37 MDTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL ST
8、ANDARD JIS B 7541 : 2001 1 1 I I I I I I I I i l I Scale length e - Temperam Standard scale Fig. 5 Measuring method by comparing with reference standard scale 10.2.3 Measuring position The measurement is carried out at least 10 positions on the measuring axis in the scale length. The intervals betwe
9、en the measuring positions shall be a pitch not more than of the scale length. .a 10 Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 01:54:37 MDTNo reproduction or networking permitted with
10、out license from IHS -,-,- 7. B 7541 : 2001 11 Designation The standard scales are designated by title of standard, grade, dimensions of section and scale length. Example : Standard scale Grade O 30 X 15 500 mm 12 Marking The following information shall be marked on the standard scale and on the ins
11、pection fordreport. 12.1 Standard scale a) Manufacturers name or abbreviation b Number of manufacture 12.2 Inspection fordreport a b) C) d) Grade Scale length Manufacturers name or abbreviation Number of manufacture Year and month of inspection Coefficient of linear expansion of material Measured va
12、lue A calibration table including the uncertainty of the measurement is appended where appropriate. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 01:54:37 MDTNo reproduction or networking
13、 permitted without license from IHS -,-,- i Y ? Errata for JIS (English edition) areprinted in Standardization Journal, published monthly by the Japanese Standards Association, and also provided to subscribers of JIS (English edition) in Monthly information. Errata will be provided upon request, ple
14、ase contact : Standardization Promotion Department, Japanese Standards Association 4- 1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN TEL. 03-3583-8002 FAX. 03-3583-0462 100% Recycled paper Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 01:54:37 MDTNo reproduction or networking permitted without license from IHS -,-,-