1、March 2017 English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 11.060.25!%bn“2637597www.din.deDIN
2、 EN ISO 3964Dentistry Coupling dimensions for handpiece connectors (ISO 3964:2016);English version EN ISO 3964:2016,English translation of DIN EN ISO 3964:2017-03Zahnheilkunde Kupplungsmae fr Handstckverbindungen (ISO 3964:2016);Englische Fassung EN ISO 3964:2016,Englische bersetzung von DIN EN ISO
3、3964:2017-03Mdecine buccodentaire Dimensions daccouplement pour pices main dentaires (ISO 3964:2016);Version anglaise EN ISO 3964:2016,Traduction anglaise de DIN EN ISO 3964:2017-03SupersedesDIN 139401:199004www.beuth.deDocument comprises 19 pagesDTranslation by DIN-Sprachendienst.In case of doubt,
4、the German-language original shall be considered authoritative.02.17 DIN EN ISO 3964:2017-03 2 A comma is used as the decimal marker. National foreword This document (EN ISO 3964:2016) has been prepared by Technical Committee ISO/TC 106 “Dentistry” in collaboration with Technical Committee CEN/TC 55
5、 “Dentistry” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was DIN-Normenausschuss Dental (DIN Standards Committee Dentistry), Working Group NA 014-00-05-06 AK HKL-Systeme in Working Committee NA 014-00-05 AA Dentale Ausrstung. The DIN Standards corresponding t
6、o the International Standards referred to in this document are as follows: ISO 1942 DIN EN ISO 1942 ISO 2768-1 DIN ISO 2768-1 ISO 2768-2 DIN ISO 2768-2 ISO 14457 DIN EN ISO 14457 Amendments This standard differs from DIN 13940-1:1990-04 as follows: a) the definitions for “coupling dimension” and “co
7、upling systems” have been added; b) four types of “classification” have been added; c) further types of coupling systems have been added: with and without light supply; with internal and external supply of air and water (spray); d) technical drawings have been improved. Previous editions DIN 13940:
8、1973-06, 1980-10 DIN 13940-1: 1990-04 DIN EN ISO 3964:2017-03 3 National Annex NA (informative) Bibliography DIN EN ISO 1942, Dentistry Vocabulary DIN EN ISO 14457, Dentistry Handpieces and motors DIN ISO 2768-1, General tolerances Tolerances for linear and angular dimensions without individual tole
9、rance indications DIN ISO 2768-2, General tolerances Geometrical tolerances for features without individual tolerances indications DIN EN ISO 3964:2017-03 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 3964 November 2016 ICS 11.060.25 Supersedes EN 23964:
10、1989English Version Dentistry - Coupling dimensions for handpiece connectors (ISO 3964:2016) Mdecine bucco-dentaire - Dimensions daccouplement pour pices main dentaires (ISO 3964:2016) Zahnheilkunde - Kupplungsmae fr Handstckverbindungen (ISO 3964:2016) This European Standard was approved by CEN on
11、7 August 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 standards may b
12、e 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 and notified to
13、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, Hungary, Iceland, I
14、reland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management
15、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 3964:2016 EEuropean foreword .31 Scope . 52 Normative references 53 Terms and definitions . 54 Classification 55 Requirements 65.1 G
16、eneral . 65.2 Dimensions . 65.3 Coupling force . 146 Sampling .147 Test methods 147.1 Dimensions 147.2 Coupling force . 15Contents PageDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 2Foreword .4European foreword This document (EN ISO 3964:2016) has been prepared by Technical Committee ISO/TC 106 “Dent
17、istry” 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 the latest by May 2017, and conflicting national s
18、tandards shall be withdrawn at the latest by May 2017. 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 any or all such patent rights. This document supersedes EN 239
19、64:1989. 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, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, Fr
20、ance, 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 notice The text of ISO 3964:2016 has been approved by CEN as EN IS
21、O 3964:2016 without any modification. DIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 3 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 thro
22、ugh ISO technical committees. Each 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 collabor
23、ates closely with the International 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 c
24、riteria needed for the different 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
25、 of patent rights. ISO shall not 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 na
26、me used in this document is information 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 Technic
27、al Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.The committee responsible for this document is ISO/TC 106 Dentistry, Subcommittee SC 4 Dental instruments.This third edition cancels and replaces the second edition (ISO 3964:1982), which has been technically revi
28、sed with the following changes:a) addition of definitions for “coupling dimension” and “coupling systems”;b) addition of four types for “classification”;c) additional types of coupling systems: with and without light supply; with internal and external supply of air and water (spray);d) improved tech
29、nical drawings.DIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 4 1 ScopeThis International Standard specifies the coupling between handpieces and motors connected to dental units.This International Standard specifies the nominal dimensions, tolerances and the extraction force of coupling systems for us
30、e between handpiece and motor which supply the handpiece with water, air and light and rotation energy.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cit
31、ed applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 1942, Dentistry VocabularyISO 2768-1, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indicationsISO 2768-2, General tolerance
32、s Part 2: Geometrical tolerances for features without individual tolerance indicationsISO 14457, Dentistry Handpieces and motors3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 1942, ISO 14457 and the following apply.3.1coupling dimensiondescription of
33、 the dimensions of connectors between air- and electrical motors and straight and angled handpieces, used to connect and supply the handpiece system3.2coupling systemcombination of connector parts between air- and electrical motors and straight and angled handpieces, used to connect and supply the h
34、andpiece system4 ClassificationFor the purpose of this International Standard, coupling systems are classified into the following types: Type 1: coupling system for straight and angle handpieces and motors without internal spray supply and without light supply; Type 2: coupling system for straight a
35、nd angle handpieces and motors with internal spray supply and without light supply;DIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 5 Type 3: coupling system for straight and angle handpieces and motors with internal spray supply and with light supply; Type 4: coupling system for straight and angle hand
36、pieces and motors without internal spray supply and with light supply.5 Requirements5.1 GeneralTypes of the coupling for handpieces and for motors are specific parts of dental handpieces.Requirements for dental handpieces are specified in ISO 14457.5.2 DimensionsThe dimensions and the configuration
37、of handpiece-sides and motor-sides shall be as specified in Figure 1, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 7 and Figure 8 with coupling dimensions X1and X2as specified in Table 1.Table 1 Coupling dimensions X1and X2Coupling Dimension Long Middle Short Extra shortMotor X1max. 31,8
38、 mm max. 24,8 mm max. 22,8 mm max. 18,8 mmHandpiece X2min. 32 mm min. 25 mm min. 23 mm min. 19 mmDimensions without tolerances shall be in accordance with ISO 2768-1 and ISO 2768-2.Alternative designs of the coupling lock system are permitted.The type of handpiece length shall be indicated in the ma
39、nufacturers instructions for use.Testing shall be carried out in accordance with 7.1.DIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 6 Dimensions in millimetresEdges shall be burr-free or round.Figure 1 Type 1 HandpieceDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 7 Dimensions in millimetresKeyr can eit
40、her be a radius or a cone shape with the point angle of 120Edges shall be burr-free or round.Figure 2 Type 1 MotorDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 8 Dimensions in millimetresKey1 air2 water3 grooves and geometry for sealing rings given by the manufacturer4 - - - - - sealing surfaceEdges
41、shall be burr-free or round.Figure 3 Type 2 HandpieceDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 9 Dimensions in millimetresKey1 sealing ringr can either be a radius or a cone shape with the point angle of 120Edges shall be burr-free or round.aLocking device, as given by the manufacturer.bAxial cle
42、arance with connected handpiece max. 0,3 mm.cGrooves and geometry for sealing rings given by the manufacturer.dWater.eAir.Figure 4 Type 2 MotorDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 10 Dimensions in millimetresKey1 air2 water3 grooves and geometry for sealing rings given by the manufacturer4 l
43、ight entrance5 - - - - - - sealing surfaceEdges shall be burr-free or round.Figure 5 Type 3 HandpieceDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 11 Dimensions in millimetresKey1 handpiece, connected2 light exit3 sealing ringr can either be a radius or a cone shape with the point angle of 120Edges s
44、hall be burr-free or round.aLocking device, as given by the manufacturer.bAxial clearance with connected handpiece max. 0,3 mm.cGroves and geometry of sealing rings given by the manufacturer.dWater.eAir.Figure 6 Type 3 MotorDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 12 Dimensions in millimetresKey
45、1 grooves and geometry for sealing rings given by the manufacturer2 light entrance3 - - - - - - sealing surfaceEdges shall be burr-free or round.Figure 7 Type 4 HandpieceDIN EN ISO 3964:2017-03 EN ISO 3964:2016 (E) 13 Dimensions in millimetresKey1 handpiece, connected2 light exitr can either be a ra
46、dius or a cone shape with the point angle of 120Edges shall be burr-free or round.aLocking device, as given by the manufacturer.bAxial clearance with connected handpiece max. 0,3 mm.Figure 8 Type 4 Motor5.3 Coupling forceThe extraction force required to move the connected handpiece from the motor shall be at least 30 N or the motor shall have an appropriate design to release cooling air pressure.Testing shall be carried out in accordance w
