欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    BS EN ISO 7787-1-2016 Dentistry Laboratory cutters Steel laboratory cutters《牙科 实验室刀具 钢制实验室刀具》.pdf

    • 资源ID:582249       资源大小:1.91MB        全文页数:20页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    BS EN ISO 7787-1-2016 Dentistry Laboratory cutters Steel laboratory cutters《牙科 实验室刀具 钢制实验室刀具》.pdf

    1、BS EN ISO 7787-1:2016Dentistry Laboratory cuttersPart 1: Steel laboratory cutters (ISO7787-1:2016)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN ISO 7787-1:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO7787-1:201

    2、6. It supersedes BS 6828-8.1:1987 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee CH/106/4, Dental Instruments and Equipment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purpo

    3、rt to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016. Published by BSI StandardsLimited 2016ISBN 978 0 580 87561 8ICS 11.060.25Compliance with a British Standard cannot confer immunity fromlegal obligations.

    4、This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2016.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 7787-1 May 2016 ICS 11.060.20 Supersedes EN 27787-1:1990English Version D

    5、entistry - Laboratory cutters - Part 1: Steel laboratory cutters (ISO 7787-1:2016) Mdecine bucco-dentaire - Fraises de laboratoire - Partie 1: Fraises de laboratoire en acier (ISO 7787-1:2016) Zahnheilkunde - Laborfrser - Teil 1: Laborfrser aus Stahl (ISO 7787-1:2016) This European Standard was appr

    6、oved by CEN on 15 April 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

    7、standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language a

    8、nd notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hung

    9、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENEL

    10、EC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 7787-1:2016 EBS EN ISO 7787-1:2016EN ISO 7787-1:2016 (E) 3 European foreword This document (EN ISO 7787-1:2016) has be

    11、en prepared by Technical Committee ISO/TC 106 “Dentistry” in collaboration with Technical Committee CEN/TC 55 “Dentistry” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at

    12、 the latest by November 2016, and conflicting national standards shall be withdrawn at the latest by November 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying a

    13、ny or all such patent rights. This document supersedes EN 27787-1:1990. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denma

    14、rk, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement not

    15、ice The text of ISO 7787-1:2016 has been approved by CEN as EN ISO 7787-1:2016 without any modification. BS EN ISO 7787-1:2016ISO 7787-1:2016(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms, definitions and symbols 13.1 Terms and definitions . 13.2 Symbols . 24 Material 25 Dime

    16、nsions and number of blades 25.1 Round (spherical) . 25.2 Cylindrical, double domed 35.3 Egg . 35.4 Oval, transverse 35.5 Bud, rounded 45.6 Bud 45.7 Pear . 55.8 Bud, slender . 55.9 Wheel 66 Run-out . 67 Sampling 68 Designation code number . 79 Marking 7Bibliography 8 ISO 2016 All rights reserved iii

    17、Contents PageBS EN ISO 7787-1:2016ISO 7787-1:2016(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Eac

    18、h member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internation

    19、al Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different

    20、types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not

    21、 be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is inf

    22、ormation given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see

    23、the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 106, Dentistry, Subcommittee SC 4, Dental instruments.This second edition cancels and replaces the first edition (ISO 7787-1:1984), which has been technically revised.ISO 7787 consists of the

    24、 following parts, under the general title Dentistry Laboratory cutters: Part 1: Steel laboratory cutters Part 2: Carbide laboratory cutters Part 3: Tungsten carbide cutters for milling machines Part 4: Miniature carbide laboratory cuttersiv ISO 2016 All rights reservedBS EN ISO 7787-1:2016ISO 7787-1

    25、:2016(E)IntroductionThis part of ISO 7787 is one of a series of International Standards relating to dental rotary instruments.The various dimensional and other requirements specified for steel cutters are those considered important to ensure the interchangeability of these instruments. ISO 2016 All

    26、rights reserved vBS EN ISO 7787-1:2016BS EN ISO 7787-1:2016Dentistry Laboratory cutters Part 1: Steel laboratory cutters1 ScopeThis part of ISO 7787 specifies dimensional and other requirements for the nine most commonly used steel cutters which are predominantly used in the dental laboratory.Other

    27、characteristics of laboratory cutters, for example, spiralled blades or cross-cut, are not covered by this part of ISO 7787.NOTE These cutters are also used in podiatry.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensab

    28、le for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 17971), Dentistry Shanks for rotary and oscillating instrumentsISO 1942, Dentistry VocabularyISO 2157, Dentistry

    29、Nominal diameters and designation code numbers for rotary instrumentsISO 6360-3, Dentistry Number coding system for rotary instruments Part 3: Specific characteristics of burs and cuttersISO 8325, Dentistry Test methods for rotary instruments3 Terms, definitions and symbolsFor the purposes of this d

    30、ocument, the terms and definitions given in ISO 1942, ISO 6360-3, and the following apply.3.1 Terms and definitions3.1.1laboratory cuttercutter designed for use with dental materials in the dental laboratory3.1.2dental laboratoryfacility where dental technical procedures complementing dental clinica

    31、l treatment are carried outSOURCE: ISO 1942:2009, 2.77 1) To be published.INTERNATIONAL STANDARD ISO 7787-1:2016(E) ISO 2016 All rights reserved 1BS EN ISO 7787-1:2016ISO 7787-1:2016(E)3.2 SymbolsFor the purposes of this part of ISO 7787, the following symbols apply:d diameter of the working part, h

    32、ead diameter;l length of the working part, head length.4 MaterialThe shaft and the working part shall be made of steel.The selection of the type of steel and the treatment given to it shall be left to the discretion of the manufacturer.5 Dimensions and number of bladesAll dimensions are in millimetr

    33、es.The dimensions, measured as described in ISO 8325, shall be as specified in Tables 1 to 9 and as shown in Figures 1 to 9.The shank shall be Type 2 of ISO 1797.The shank length shall be (38 1) mm.In this part of ISO 7787, the laboratory cutters are differentiated according to the shape of the head

    34、 of the laboratory cutters.5.1 Round (spherical)Figure 1 RoundTable 1 Round Dimensions and number of bladesDimensions in millimetresNominal size d +0,15 -0,25l 0,25Number of blades min.040 4 3,7 8050 5 4,7 10060 6 5,8 12070 7 6,8 14080 8 7, 8 162 ISO 2016 All rights reservedBS EN ISO 7787-1:2016ISO

    35、7787-1:2016(E)5.2 Cylindrical, double domedFigure 2 CylindricalTable 2 Cylindrical Dimensions and number of bladesDimensions in millimetresNominal size d +0,15 -0,25l 0,25Number of blades min.040 4 9 8050 5 10 10060 6 11 12070 7 12 14080 8 13 165.3 EggFigure 3 EggTable 3 Egg Dimensions and number of

    36、 bladesDimensions in millimetresNominal size d +0,15 -0,25l 0,25Number of blades min.040 4 9 8050 5 10 10060 6 11 12070 7 12 14080 8 13 165.4 Oval, transverseFigure 4 Oval, transverse ISO 2016 All rights reserved 3BS EN ISO 7787-1:2016ISO 7787-1:2016(E)Table 4 Oval, transverse Dimensions and number

    37、of bladesDimensions in millimetresNominal size d +0,15 -0,25l 0,25Number of blades min.040 4 2,5 8050 5 3,0 10060 6 3,5 12070 7 4,0 14080 8 4,5 165.5 Bud, roundedNOTE = 14 to 18.Figure 5 Bud, roundedTable 5 Bud, rounded Dimensions and number of bladesDimensions in millimetresNominal size d +0,15 -0,

    38、25l 0,25Number of blades min.040 4 8 8050 5 9,5 10060 6 11,0 12070 7 12,5 14080 8 14,0 165.6 BudNOTE A small flat area is allowed at the tip of no more than 0,1 mm.Figure 6 Bud4 ISO 2016 All rights reservedBS EN ISO 7787-1:2016ISO 7787-1:2016(E)Table 6 Bud Dimensions and number of bladesDimensions i

    39、n millimetresNominal size d +0,15 -0,25l0,25Number of blades min.040 4 7 8050 5 8 10060 6 9 12070 7 10 14080 8 11 165.7 PearNOTE = 14 to 18.Figure 7 PearTable 7 Pear Dimensions and number of bladesDimensions in millimetresNominal size d +0,15 -0,25l 0,25Number of blades min.040 4 9 8050 5 10 10060 6

    40、 11 12070 7 12 14080 8 13 165.8 Bud, slenderNOTE A small flat area is allowed at the tip of no more than 0,1 mm.Figure 8 Bud, slender ISO 2016 All rights reserved 5BS EN ISO 7787-1:2016ISO 7787-1:2016(E)Table 8 Bud, slender Dimensions and number of bladesDimensions in millimetresNominal size d +0,15

    41、 -0,25l 0,25Number of blades min.040 4 10 8050 5 11 10060 6 12 12070 7 13 13080 8 14 145.9 WheelFigure 9 WheelTable 9 Wheel Dimensions and number of bladesDimensions in millimetresNominal size d +0,15 -0,25l 0,25Number of blades min.100 10 3,5 18125 12,5 3,5 22140 14 4,0 26160 16 4,0 306 Run-outThe

    42、total indicated run-out determined as described in ISO 8325 shall not exceed 0,12 mm.Record for each cutting edge the readings and sort the highest and the lowest for further analysis.7 SamplingTake randomly 10 instruments from validation batch and test them according to the method described in Clau

    43、se 6. If eight or less samples pass, the product fails.If nine samples pass, test 10 additional samples. When 10 additional samples are to be tested, all 10 shall pass for the product to comply.6 ISO 2016 All rights reservedBS EN ISO 7787-1:2016ISO 7787-1:2016(E)8 Designation code numberThe designat

    44、ion code numbers for laboratory cutters shall be in accordance with ISO 2157.9 MarkingLaboratory cutters shall be marked with the following information:a) trade name and/or trade mark of the manufacturer;b) nominal size designation. ISO 2016 All rights reserved 7BS EN ISO 7787-1:2016ISO 7787-1:2016(

    45、E)Bibliography1 ISO 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection8 ISO 2016 All rights reservedBS EN ISO 7787-1:2016This page deliberately left blankThis page deliberately left blankBSI is the nat

    46、ional body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)About usWe br

    47、ing together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process

    48、. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our website at or contacting our Customer Se

    49、rvices team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at where hard copies can also be purchased. If you need international and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team.Copyrigh


    注意事项

    本文(BS EN ISO 7787-1-2016 Dentistry Laboratory cutters Steel laboratory cutters《牙科 实验室刀具 钢制实验室刀具》.pdf)为本站会员(李朗)主动上传,麦多课文档分享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档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开