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本文(BS ISO 3272-6-2000 Microfilming of technical drawings and other drawing office documents - Quality criteria and control of systems for enlargement from 35mm microfilm《技术图样和其他办公文件图纸.pdf)为本站会员(Iclinic170)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS ISO 3272-6-2000 Microfilming of technical drawings and other drawing office documents - Quality criteria and control of systems for enlargement from 35mm microfilm《技术图样和其他办公文件图纸.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 3272-6:2000 ICS 37

2、.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Microfilming of technical drawings and other drawing office documents Part 6: Quality criteria and control of systems for enlargement from 35mm microfilmThis British Standard, having been prepared under the direction of the

3、DISC Board, was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 09-2000 ISBN 0 580 36366 X BS ISO 3272-6:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 3272-6:2000

4、 and implements it as the UK national standard. The UK participation in its preparation was entrusted by Technical Committee IDT/1, Document imaging applications, to Subcommittee IDT/1/2, Application issues, which has the responsibility to: aid enquirers to understand the text; present to the respon

5、sible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on

6、request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility

7、of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations

8、. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 4, an inside back cover and a back cover. The BSI copyright notice displayed throughout this document indicates when the document was last issued.Referencenumb

9、er ISO3272-6:2000(E) INTERNATIONAL STANDARD ISO 3272-6 Firstedition 2000-03-15 Microfilmingoftechnicaldrawingsand otherdrawingofficedocuments Part6: Qualitycriteriaandcontrolofsystemsfor enlargementsfrom35mmmicrofilm Micrographie des dessins techniques et autres documents de bureau dtudes Partie 6:

10、Critres et contrle de qualit des systmes pour lagrandissement de microfilm de 35 mmISO3272-6:2000(E) ii ISO3272-6:2000(E)iii Contents Page Foreword.iv Introduction.v 1 Scope1 2 Normativereferences1 3 Termsanddefinitions.2 4 Enlargementratios2 5 Legibility.2 AnnexA(informative)Readabilityofaprintfrom

11、amicrofilmedengineeringdocument.3 Bibliography4ISO3272-6:2000(E) iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyi

12、nterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectr

13、otechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiesca

14、stingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO3272maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO3272-6waspreparedbyTechnicalCommitteeISO/TC171, Document imaging applications, Subcommittee S

15、C 2, Application issues. ISO3272consistsofthefollowingparts,underthegeneraltitle Microfilming of technical drawings and other drawing office documents: Part 1: Operating procedures Part 2: Quality criteria and control of 35 mm silver gelatin microfilms Part 3: Unitized aperture card for 35 mm microf

16、ilm Part 4: Microfilming of drawings of special and exceptional elongated sizes Part 5: Test procedures for diazo duplicating of microfilm images in aperture cards Part 6: Quality criteria and control of systems for enlargements from 35 mm microfilm AnnexAofthispartofISO3272isforinformationonly.ISO3

17、272-6:2000(E)v Introduction ThispartofISO3272givesguidanceonmethodsofproducingenlargementsfrommicrofilminaccordancewith ISO3272-1.INTERNATIONALSTANDARD ISO3272-6:2000(E)1 Microfilmingoftechnicaldrawingsandotherdrawingoffice documents Part6: Qualitycriteriaandcontrolofsystemsforenlargementsfrom 35mmm

18、icrofilm 1 Scope ThispartofISO3272specifiesproceduresforcheckingminimumlegibilityrequirementsandthequalityofthe systemandhard-copyenlargements. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO3272.Fordatedrefer

19、ences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO3272areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated references,thelatesteditionofthenormativedocumentre

20、ferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO446:1991, Micrographics ISO character and ISO test chart No. 1 Description and use. ISO3272-1:1983, Microfilming of technical drawings and other drawings office documents Part 1: Operating procedures. ISO3

21、272-2:1994, Microfilming of technical drawings and other drawing office documents Part 2: Quality criteria and control of 35 mm silver gelatin microfilms. ISO3334:1989, Micrographics ISO resolution test chart No. 2 Description and use. ISO6196-1:1993, Micrographics Vocabulary Part 1: General terms.

22、ISO6196-2:1993, Micrographics Vocabulary Part 2: Image positions and methods of recording. ISO6196-3:1997, Micrographics Vocabulary Part 3: Film processing. ISO6196-4:1998, Micrographics Vocabulary Part 4: Materials and packaging. ISO6196-5:1987, Micrographics Vocabulary Part 5: Quality of images, l

23、egibility, inspection. ISO6196-6:1992, Micrographics Vocabulary Part 6: Equipment. ISO6196-7:1992, Micrographics Vocabulary Part 7: Computer micrographics.ISO3272-6:2000(E) 2 3 Termsanddefinitions ForthepurposesofthispartofISO3272,thetermsanddefinitionsgiveninISO6196apply. 4 Enlargementratios Enlarg

24、ementsshallbemadeatoneoftheratiosspecifiedinISO3272-1. Forcontinuousenlargement,the enlargementratiothatgivesthelargestcopycontainablewithinthewidthoftherollofcopymaterialshallbeused. 5 Legibility ThelegibilityofanenlargementmadefromatestnegativethatcomplieswithISO3272-2shouldbesuchthatthe ISONo.1te

25、stcharacterorISONo.2testpatterngiveninTable1or2isresolved.Thepositionofthecentrelines shouldbecheckedandanydeviationfromthehorizontalorverticalnoted. Fortestingthelegibility,opticalinstruments(forinstancemagnifyingglasses)canbeused. Becausethelegibilityofthemicrofilmdepends,amongotherthings,onthered

26、uctionratio,thequalityofthe enlargementisalsodeterminedbythereductionratio.Tables1and2showthevaluesofthetestpatternsor charactersthataccordingtoISO446andISO3334mustbelegibledependingonthereductionratio. Table1ISONo.1testcharacterstobereadatenlargementratios ISONo.1testcharacterstobereadatenlargement

27、ratios Reductionratio (7,5/1) (10,5/1) 15/1 21/1 30/1 (1:7,5) 100 80 63 56 50 (1:10,5) 125 100 80 71 63 1:15 140 125 112 100 80 1:21 180 160 140 125 112 1:30 250 225 180 160 140 NOTE ThevaluesshowninbracketsarenotgiveninISO3272-1butareincludedhereforinformation. Table2ISONo.2testcharacterstobereadat

28、enlargementratios ISONo.2testcharacterstobereadatenlargementratios Reductionratio (7,5/1) (10,5/1) 15/1 21/1 30/1 (1:7,5) 4,0 5,0 6,3 7,1 8,0 (1:10,5) 3,2 4,0 5,0 5,6 6,3 1:15 2,8 3,2 3,6 4,0 5,0 1:21 2,2 2,5 2,8 3,2 3,6 1:30 1,6 1,8 2,2 2,5 2,8 NOTE ThevaluesshowninbracketsarenotgiveninISO3272-1but

29、areincludedhereforinformation.ISO3272-6:2000(E)3 AnnexA (informative) Readabilityofaprintfromamicrofilmedengineeringdocument Thereadabilityofaprintfromamicrofilmedengineeringdocumentdependsonfivefactors: sizeofthelettering; shapeofthelettering; spacingofeachletter; sharpnessorresolution; contrast. I

30、SO3098-1specifiesthesize,shape,andspacingforlettering.WhenadrawingconformstoISO3098-1,the readabilityisthendeterminedbyacombinationofresolutionandcontrast.Whenresolutionanddensityarehigh, thereadabilityishigh.Whenbotharelow,thereadabilityispoor.Highresolutionandlowcontrastalsoproduces printsofpoorre

31、adability.ThispartofISO3272onlyaddressesthemeasurementofresolution.Contrastmustalso betakenintoconsiderationwhenjudgingthequalityofaprint.Thefinalcriterionofreadabilityis:doestheprint satisfytheusersneed?ISO3272-6:2000(E) 4 Bibliography 1 ISO3098-1:1974, Technical drawings Lettering Part 1: Currentl

32、y used characters. 2 ISO3272-4:1994, Microfilming of technical drawings and other drawing office documents Part 4: Microfilming of drawings of special and exceptional elongated sizes. 3 ISO6196-8:1998, Micrographics Vocabulary Part 8: Use.BS ISO 3272-6:2000 BSI 389 Chiswick High Road London W4 4AL |

33、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the in

34、dependent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that

35、they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, th

36、e identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international

37、and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested

38、. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. C

39、ontact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020

40、8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in

41、 a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade de

42、signations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. If permission is granted, the terms may include royalty payments or a licensing agreement. Details and advice can be obtained from the Copyright Manager. Tel: 020 8996 7070.

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