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
25、e 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 in order to specifyabii BSI 2007ForewordPublishing infor
26、mationTechnical 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 organizations represented onthis committee can be obtainedon re
27、quest 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 gauge blocks manufactured to the metric system, Througho
28、ut 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 manufactured to the imperial system, which remain in use and whi
29、ch 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 recognized, universal standards of length is establish
30、ed.As with BS EN ISO 650:1999, 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 outside their original specification is still recognized. To
31、 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 standard, the contents of these annexes relate specificall
32、y 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 published by BSI and came into effect on verification under
33、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 of BS 4311-1 has been prepared in response to a and the consequent withdrawal of BS 4311-3:1993.version o
34、f 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 in order to specifyaberial BS 4311-1:2007ii The British Standards Institution 2015This part of BS 4311 is p
35、ublished by BSI Standards Limited, under licence from The British Standards Institution 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 direction of the Consumer products and se
36、rvices 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 secretary.This part of BS 4311 supersedes BS
37、 4311-1:1993 and BS 4311-3:1993, which are withdrawn.Text introduced or altered by Corrigenda No. 1 and No. 2 are indicated in the text by tags and . Minor editorial corrections are not tagged. BSI 2007 iiiPresentational conventionsThe provisionsof this standard are presented in roman (i.e. upright)
38、 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 comma, rather than a full point, has been used as the decima
39、l indicator throughout thisBritishStandardin order toalign itwith the Geometrical Product Specifications listed in Clause2. Care shouldbetakenwhen using thispublicationin conjunction with other British Standards.Contractual and legal considerationsThis publication does not purport to include all the
40、 necessaryprovisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS 4311-1:2007BS 4311-1:2007 The British Standards Institution 2015 iiiiv BSI 2007 This page deliberately left blankBS 4311-1:2007BS
41、4311-1:2007This page deliberately left blank BSI 2007 11Scopemetrological characteristicsofgauge 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 forvarious measu
42、ring purposes.2Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the cited applies. For undated references, thelatest edition of the referenced document (including any amendments) applies.BS EN ISO1,Geometrical P
43、roduct Specifications (GPS) Standard reference temperature for geometrical 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,
44、Geometrical Product Specifications (GPS) Inspection by measurement ofworkpiecesand 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, l
45、ocation and run-out3DefinitionsFor the purposes of this British Standard, the definitions given in BS EN ISO 3650 apply.BS 4311-1:2007This part of BS 4311 specifies the most important design andBS 4311-1:2007 The British Standards Institution 2015 12 BSI 20074Nomenclature of facesThe nomenclature us
46、ed to describe the faces of a gauge block shall be as identified in Figure 1.5Basis of measurement, traceability,reference conditionNOTEFor the purposes of relating measurements made on gauge blocks manufactured to imperial specifications to the SI unit of length, the metre,the following conversion
47、may be used: 1 in = 25,4 mm exactly. The abbreviated form of inch, as used in this document is “in”.5.1 Traceability of the length of a gauge blockThe measured length of a gauge block shall be traceable to national orinternational length standards if the measurement result can be related by an unbro
48、ken chain of comparison measurements, each with stated uncertainties, to a gauge block which has been calibrated byinterferometry using appropriate wavelength standards.Figure 1 Nomenclature of facesa)for nominal lengths ln= 0,19 inKeyABCDEFLeft hand measuring faceRight hand measuring faceUnmarked m
49、easuring faceMarked measuringfaceSide facesMarked side faceNOTE For the complete marking, see 6.3.CDEABF0,11BS 4311-1:2007BS 4311-1:20072 The British Standards Institution 2015G 0,19 in BSI 2007 35.2 Reference temperature and standard pressureThe nominal length and the measured lengths of a gauge block shall applyat the reference temperature of 20 C (see BS EN ISO 1) and the standard pressure 101 325 Pa = 1,013 25 bar.NOTE The effect on the length of a gauge block caused by deviations from the st
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