BS 4311-1-2007 Gauge blocks nmanufactured to nimperial specification – nPart 1 Specification and validation《符合英制规范的量规 第1部分 规范和确认》.pdf
《BS 4311-1-2007 Gauge blocks nmanufactured to nimperial specification – nPart 1 Specification and validation《符合英制规范的量规 第1部分 规范和确认》.pdf》由会员分享,可在线阅读,更多相关《BS 4311-1-2007 Gauge blocks nmanufactured to nimperial specification – nPart 1 Specification and validation《符合英制规范的量规 第1部分 规范和确认》.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、Gauge blocks manufactured to imperial specification ICS 17.040.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDBS 4311-1:2007Incorporating corrigendum No. 1Part 1: Specification andvalidationBS 4311-1:2007Incorporating corrigenda No. 1 and No. 2BS 4311-1:2007P
2、ublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the document was last issued. The British Standards Institution 2015 Published by BSI Standards Limited 2015ISBN 978 0 580 89137 3The follow BSI references relate to the work on this standard: Commi
3、ttee reference TDW/4 Draft for comment 03/101273 DCPublication historyFirst published July 1977Second edition, April 1993First published as BS 4311 (combined revision of Parts 1 and 3) August 2007Renumbered as BS 4311-1, February 2009Amendments issued since publicationAmd. no. Date Text affectedCorr
4、. 1 February 2009 Renumbered from BS 4311:2007 to BS 4311-1:2007. Publication information and foreword updated.Corr. 2 February 2015 See foreword BSI 2007 iContentsForeword ii1 Scope 12 Normative references 13 Definitions 14 Nomenclature of faces 25 Basis of measurement, traceability, reference cond
5、ition 26 General dimensions, material properties, marking 37 Metrological requirements 48 Calibration of gauge blocks 7AnnexesAnnex A (informative)Frequency of calibration 8AnnexB (informative) Care of gauge blocks 8Annex C (informative) Wear in use and maintenance of gauge blocks 9Annex D (informat
6、ive) Selecting grade of gauge blocks 10List of figuresFigure 1 Nomenclatureof faces 2Figure 2 Perpendicularity deviation of side faces with a measuring faceas a datum 6List of tablesTable 1 Cross-section 3Table 2 Dimensional stability 4Table 3 Flatness tolerances for new inch gauge blocks 5Table 4 P
7、erpendicularity tolerance 6Table 5 Limit deviation, leof the length at any point of the measuring face from nominallength and tolerance, for the variation in length 7Summary of pagesThis document comprises a front cover, an insidefront cover, pagesitoiii, a blank page, pages 1 to 11 and a back cover
8、.BS 4311-1:2007BS 4311-1:2007 The British Standards Institution 2015 iii BSI 2007ForewordPublishing informationTechnical productspecification Methodology, presentation and business sector. TDW/4 has, within its scope, responsibility for “metrology and precision measurement” with resulting access to
9、appropriate technical expertise. A listof organizations represented onthis committee can be obtainedon request to its secretary.Supersessionwhich are withdrawn.Information about this documentrequirement for the ongoing support for gauge blocks manufactured tothe imperial system, following the public
10、ation of BS EN ISO 3650:1999, which provides for gauge blocks manufactured to the metric system, Throughout this revision, the principles and practices specified in BS EN ISO 3650:1999 have been given precedence and have been cross-referenced wherever appropriate. The main function of this newof BS
11、EN ISO 3650:1999 to the many gaugeblocks manufactured to the imperial system, which remain in use and which will continue to be inuse for the foreseeable future.The effects of uncertainty of measurement continue to be taken into account in that the method ofmeasurement is clearly stated for each gra
12、de 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 4311-1:1993 and BS 4311-3:1993, this standard does not make any distinction between new and used gauge blocks. However, the fact that duri
13、ng usegauge blocks wear and consequently fall outside their original specification is still recognized. To preserve the required standards of accuracy during use, gauge blocks should be carefully maintained and regularly calibrated. Guidance on these aspects is provided in Annex A, Annex B, Annex C
14、and Annex D. Because of their inclusion in this standard, the contents of these annexes relate specifically to gauge blocks manufacturedto the imperial system, but it should be recognized that the principles and recommendations presented here, apply equally to gauge blocks manufactured to the metric
15、 system.BS 4311-1:2007This part of BS 4311 is published by BSI and came into effect on verification under the direction ofthe Consumerproducts and services31 August 2007. It was prepared by Technical Committee TDW/4, This part of BS 14311supersedes BS 4311-1:1993 and BS 4311-3:1993, This new version
16、 of BS 4311-1 has been prepared in response to a and the consequent withdrawal of BS 4311-3:1993.version of BS 4311-1 is to provide for the application of the requirements requirements for accessories for use with gauge blocks in both metric and inch units.Additionally, BS 4311-2 is being reissued i
17、n order to specifyabii BSI 2007ForewordPublishing informationTechnical productspecification Methodology, presentation and business sector. TDW/4 has, within its scope, responsibility for “metrology and precision measurement” with resulting access to appropriate technical expertise. A listof organiza
18、tions represented onthis committee can be obtainedon request to its secretary.Supersessionwhich are withdrawn.Information about this documentrequirement for the ongoing support for gauge blocks manufactured tothe imperial system, following the publication of BS EN ISO 3650:1999, which provides for g
19、auge blocks manufactured to the metric system, Throughout this revision, the principles and practices specified in BS EN ISO 3650:1999 have been given precedence and have been cross-referenced wherever appropriate. The main function of this newof BS EN ISO 3650:1999 to the many gaugeblocks manufactu
20、red to the imperial system, which remain in use and which will continue to be inuse for the foreseeable future.The effects of uncertainty of measurement continue to be taken into account in that the method ofmeasurement is clearly stated for each grade and the line of traceability to internationally
21、 recognized, universal standards of length is established.As with BS EN ISO 3650:1999, and unlike the former BS 4311-1:1993 and BS 4311-3:1993, this standard does not make any distinction between new and used gauge blocks. However, the fact that during usegauge blocks wear and consequently fall outs
22、ide their original specification is still recognized. To preserve the required standards of accuracy during use, gauge 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 st
23、andard, the contents of these annexes relate specifically to gauge blocks manufacturedto the imperial system, but it should be recognized that the principles and recommendations presented here, apply equally to gauge blocks manufactured to the metric system.BS 4311-1:2007This part of BS 4311 is publ
24、ished by BSI and came into effect on verification under the direction ofthe Consumerproducts and services31 August 2007. It was prepared by Technical Committee TDW/4, This part of BS 14311supersedes BS 4311-1:1993 and BS 4311-3:1993, new version of BS 4311-1 has been prepared in response to a and th
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