BS 4311-2007 Gauge blocks manufactured to imperial specification - Specification validation and accessories《符合英制规范的块规 规范、确认和附件》.pdf
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1、BS 4311:2007Gauge blocks manufactured to imperial specification Specification, validation and accessoriesICS 17.040.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 11/12/2007 03:02, Uncontrolled Copy, (c)
2、BSIPublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the document was last issued. BSI 2007ISBN 978 0 580 53872 8The following BSI references relate to the work on this standard:Committee reference TDW/4Draft for comment 03/101273 DCPublication hi
3、storyPart 2 first published July 1977Part 2 second edition, February 1994Part 3 first published April 1993First published as BS 4311 (combined revision of Parts 2 and 3) August 2007Amendments issued since publicationAmd. no. Date Text affectedBS 4311:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA S
4、TANDARDS, 11/12/2007 03:02, Uncontrolled Copy, (c) BSI BSI 2007 iBS 4311:2007ContentsForeword ii1 Scope 12 Normative references 13 Definitions 14 Nomenclature of faces 25 Basis of measurement, traceability, reference condition 26 General dimensions, material properties, marking 37 Metrological requi
5、rements 48 Calibration of gauge blocks 7AnnexesAnnex A (informative) Frequency of calibration 8Annex B (informative) Care of gauge blocks 8Annex C (informative) Wear in use and maintenance of gauge blocks 9Annex D (informative) Selecting grade of gauge blocks 10List of figuresFigure 1 Nomenclature o
6、f faces 2Figure 2 Perpendicularity deviation of side faces with a measuring face as a datum 6List of tablesTable 1 Cross-section 3Table 2 Dimensional stability 4Table 3 Flatness tolerances for new inch gauge blocks 5Table 4 Perpendicularity tolerance 6Table 5 Limit deviation, leof the length at any
7、point of the measuring face from nominal length and tolerance, for the variation in length 7Summary of pagesThis document comprises a front cover, an inside front cover, pages i to iii, a blank page, pages 1 to 11 and a back cover.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 11/12/2007 03:
8、02, Uncontrolled Copy, (c) BSIBS 4311:2007ii BSI 2007ForewordPublishing informationThis British Standard is published by BSI and came into effect on 31 August 2007. It was prepared by Technical Committee TDW/4, Technical product specification Methodology, presentation and verification under the dire
9、ction of the Consumer products and services business sector. TDW/4 has, within its scope, responsibility for “metrology and precision measurement” with resulting access to appropriate technical expertise. A list of organizations represented on this committee can be obtained on request to its secreta
10、ry.SupersessionThis British Standard supersedes BS 4311-2:1994 and BS 4311-3:1993, which are withdrawn.Information about this documentThis new version of BS 4311 has been prepared in response to a requirement for the ongoing support for gauge blocks manufactured to the imperial system, following the
11、 publication of BS EN ISO 3650:1999, which provides for gauge blocks manufactured to the metric system, and the consequent withdrawal of BS 4311-1:1993.Throughout this revision, the principles and practices specified in BS EN ISO 3650:1999 have been given precedence and have been cross-referenced wh
12、erever appropriate. The main function of this new version of BS 4311 is to provide for the application of the requirements of BS EN ISO 3650:1999 to the many gauge blocks manufactured to the imperial system, which remain in use and which will continue to be in use for the foreseeable future.The effe
13、cts of uncertainty of measurement continue to be taken into account in that the method of measurement is clearly stated for each grade and the line of traceability to internationally recognized, universal standards of length is established.As with BS EN ISO 3650:1999, and unlike the former BS 4311-1
14、:1993 and BS 4311-3:1993, this standard does not make any distinction between new and used gauge blocks. However, the fact that during use gauge blocks wear and consequently fall outside their original specification is still recognized. To preserve the required standards of accuracy during use, gaug
15、e blocks should be carefully maintained and regularly calibrated. Guidance on these aspects is provided in Annex A, Annex B, Annex C and Annex D. Because of their inclusion in this standard, the contents of these annexes relate specifically to gauge blocks manufactured to the imperial system, but it
16、 should be recognized that the principles and recommendations presented here, apply equally to gauge blocks manufactured to the metric system.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 11/12/2007 03:02, Uncontrolled Copy, (c) BSI BSI 2007 iiiBS 4311:2007Presentational conventionsThe prov
17、isions of this standard are presented in roman (i.e. upright) type. Its requirements are expressed in sentences in which the principal auxiliary verb is “shall”.Commentary, explanation and general informative material is presented in smaller italic type, and does not constitute a normative element.A
18、 comma, rather than a full point, has been used as the decimal indicator throughout this British Standard in order to align it with the Geometrical Product Specifications listed in Clause 2. Care should be taken when using this publication in conjunction with other British Standards.Contractual and
19、legal considerationsThis publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 11/12
20、/2007 03:02, Uncontrolled Copy, (c) BSIiv BSI 2007 This page deliberately left blankBS 4311:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 11/12/2007 03:02, Uncontrolled Copy, (c) BSI BSI 2007 1BS 4311:20071 ScopeThis British Standard specifies the most important design and metrological
21、characteristics of gauge blocks with a rectangular cross-section and a nominal length ln of not more than 4 in.Limit deviations and tolerances are stated for the calibration grade K and for the grades 0, 1 and 2 for various measuring purposes.2 Normative referencesThe following referenced documents
22、are indispensable for the application of this document. For dated references, only the cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.BS EN ISO 1, Geometrical Product Specifications (GPS) Standard reference temperature for geom
23、etrical product specification and verificationBS EN ISO 3650:1999, Geometrical Product Specifications (GPS) Length standards Gauge blocksBS EN ISO 6507-1, Metallic materials Vickers hardness test Part 1: Test methodBS EN ISO 14253-1, Geometrical Product Specifications (GPS) Inspection by measurement
24、 of workpieces and measuring equipment Part 1: Decision rules for proving conformance or non-conformance with specificationsBS ISO 1101, Geometrical Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-out3 DefinitionsFor the purposes of this British
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