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本文(BS ISO 17447-2-2015 Road Vehicles Glow-plugs with conical seating and their cylinder head housing Basic characteristics and dimensions for ceramic-sheath-type glow-plugs《道路车辆 带有锥形座.pdf)为本站会员(visitstep340)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 17447-2-2015 Road Vehicles Glow-plugs with conical seating and their cylinder head housing Basic characteristics and dimensions for ceramic-sheath-type glow-plugs《道路车辆 带有锥形座.pdf

1、BSI Standards PublicationBS ISO 17447-2:2015Road Vehicles Glow-plugswith conical seating and theircylinder head housingPart 2: Basic characteristics and dimensionsfor ceramic-sheath-type glow-plugsBS ISO 17447-2:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of

2、ISO 17447-2:2015.Together with BS ISO 17747-1:2015 and BS ISO 17747-3:2015,it supersedes BS AU 262-1:1995, BS AU 262-2:1995 and BS ISO7578:2008 which are withdrawn. Together with BS ISO 6550-3:2013,BS ISO 17747-1:2015 and BS ISO 17747-3:2015, it supersedes BS ISO6550-3:2009 which is withdrawn. Toget

3、her with BS ISO 6550-4:2014,BS ISO 17747-1:2015 and BS ISO 17747-3:2015, it supersedes BS ISO6550-4:2009 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/22, Engines for road vehicles.A list of organizations represented on this committee can beobtain

4、ed on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 81751 9ICS 43.060.50Compliance with a

5、British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2015.Amendments issued since publicationDate Text affectedBS ISO 17447-2:2015 ISO 2015Road Vehicles Glow-plugs with conical

6、 seating and their cylinder head housing Part 2: Basic characteristics and dimensions for ceramic-sheath-type glow-plugsVhicules routiers Bougies de prchauffage fourreau et sige conique et leur logement dans la culasse Partie 2: Caractristiques de base et dimensions des bougies de prchauffage fourre

7、au de type cramiqueINTERNATIONAL STANDARDISO17447-2First edition2015-05-15Reference numberISO 17447-2:2015(E)BS ISO 17447-2:2015ISO 17447-2:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of

8、 this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body i

9、n the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 17447-2:2015ISO 17447-2:2015(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitio

10、ns . 14 Dimensions and tolerances . 24.1 Threads-dimension limits and tolerances . 24.2 Glow-plugs 34.2.1 General 34.2.2 Heating elements . 34.2.3 Electrical connection 44.2.4 Dimensions for M10 and M8 glow-plugs 44.3 Cylinder head housing dimensions . 44.3.1 General 44.3.2 Housing dimensions . 55 I

11、nstallation tightening torque 5Annex A (normative) Pin terminal dimensions 7Bibliography 9 ISO 2015 All rights reserved iiiContents PageBS ISO 17447-2:2015ISO 17447-2:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO m

12、ember bodies). The work of preparing International Standards is normally carried out through 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, governm

13、ental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates 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 maintenanc

14、e are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria 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

15、is drawn to the possibility that some of the elements of this document may be the subject 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/

16、or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name 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 ass

17、essment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword Supplementary information .The committee responsible for this document is ISO/TC 22, Road vehicles, Subcommittee SC 32, Electrical and electronic compo

18、nents and general system aspects.ISO 17447 consists of the following parts, under the general title Road Vehicles Glow-plugs with conical seating and their cylinder head housing: Part 1: Basic characteristics and dimensions for metal-sheath-type glow-plugs Part 2: Basic characteristics and dimension

19、s for ceramic-sheath-type glow-plugs Part 3: Tests and requirementsiv ISO 2015 All rights reservedBS ISO 17447-2:2015ISO 17447-2:2015(E)IntroductionThe purpose of this International Standard is to provide a compact and concise specification on glow-plugs and their cylinder head housings, which is to

20、 replace the existing single standards on each type of glow-plugs.It is intended to specify the main properties, the design requirements, and the dimensions of most of the existing types of glow-plugs and their cylinder head housings. It is to enable the user to work with one comprehensive document

21、valid for most types of glow-plugs instead of a number of standards, each of them specified for one type only.ISO 17447-1 covers basic characteristics and dimensions for metal-sheath-type glow-plugs. This part of ISO 17447 covers basic characteristics and dimensions for ceramic-sheath-type glow-plug

22、s. Tests and requirements are defined in ISO 17447-3.It is intended to withdraw the following standards on glow-plugs and their cylinder head housing as soon as this part of ISO 17447 is published:ISO 6550-1, ISO 6550-2, ISO 6550-3, ISO 6550-4, ISO 7578. ISO 2015 All rights reserved vBS ISO 17447-2:

23、2015BS ISO 17447-2:2015Road Vehicles Glow-plugs with conical seating and their cylinder head housing Part 2: Basic characteristics and dimensions for ceramic-sheath-type glow-plugs1 ScopeThis part of ISO 17447 specifies the main properties and dimensions of ceramic-sheath-type glow-plugs, including

24、the terminals and the dimensions of their cylinder head housings, for use with diesel (compression ignition) engines.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 t

25、he edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 68-1, ISO general purpose screw threads Basic profile Part 1: Metric screw threadsISO 261, ISO general purpose metric screw threads General planISO 965-1:2013, ISO g

26、eneral purpose metric screw threads Tolerances Part 1: Principles and basic dataISO 965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threadsISO 1101, Geometrical product specifications (GPS) Geometrical tolerancing Tolerances of form, orientation

27、, location and run-out3 Terms and definitionsFor the purpose of this document, the following terms and definitions apply.3.1nominal voltagevoltage as marked on the housing of the glow-plugNote 1 to entry: The nominal voltage of the glow-plug is generally not identical to the supply voltage of the ve

28、hicles electrical system.3.2test voltagevoltage(s) applied to the glow-plug under testINTERNATIONAL STANDARD ISO 17447-2:2015(E) ISO 2015 All rights reserved 1BS ISO 17447-2:2015ISO 17447-2:2015(E)4 Dimensions and tolerances4.1 Threads-dimension limits and tolerancesThe threads of glow-plugs and the

29、 corresponding tapped holes in cylinder heads shall be in accordance with ISO 68-1, ISO 261, ISO 965-1, and ISO 965-3.The tolerance class 6g shall be used for glow-plug threads. For existing designs, tolerance class 6e is also permitted. New designs shall be to tolerance class 6g.The thread in the c

30、orresponding tapped holes in the cylinder heads shall have tolerance class 6H.The threads, dimension limits, and tolerances of glow-plugs and the corresponding tapped holes in the cylinder head are given in Tables 1 and 2.Table 1 Dimension limitsDimensions in millimetresThread sizeTolerance classDim

31、ension Major diameter Pitch diameter Minor diametermax min max min max minM10 1,256gPlug thread (on finished plug)9,972 9,760 9,160 9,042 8,439 8,251a6HTapped hole in the cylinder headNot specified10,000 9,348 9,188 8,912 8,647M10 16gPlug thread (on finished plug)9,974 9,794 9,324 9,212 8,747 8,563b

32、6HTapped hole in the cylinder headNot specified10,000 9,500 9,350 9,153 8,917M8 16gPlug thread (on finished plug)7,974 7,794 7, 324 7, 212 6,747 6,596b6HTapped hole in the cylinder headNot specified8,000 7, 500 7, 350 7,153 6,917aWith a root radius 0,125 mm (0,1 P).bWith a root radius 0,1 mm (0,1 P)

33、.Table 2 Minor diameters and fundamental deviations for glow-plug threadsDimensions in millimetresThread size Minor diameterad3maxFundamental deviationbesM10 1,25 6g d3max= (8,647 0,028 0,180) = 8,439 0,028M10 1 6g d3max= (8,917 0,026 0,144) = 8,747 0,026M8 1 6g d3max= (6,917 0,026 0,144) = 6,747 0,

34、026aThe maximum value of the minor diameter, d3max, is calculated according to ISO 965-1:2013, Clause 11 with a truncation of H/6, in accordance with the following formula:d3max= D1 es 2(H/4 H/6)bThe fundamental deviation, es, between the pitch diameters of the thread and of the tapped hole is inten

35、ded to prevent the possibility of seizure, as a result of combustion deposits on the bare threads, when removing the glow-plugs. This clearance is also intended to enable glow-plugs with threads in accordance with this part of ISO 17447 to be fitted in existing tapped holes.2 ISO 2015 All rights res

36、ervedBS ISO 17447-2:2015ISO 17447-2:2015(E)4.2 Glow-plugs4.2.1 GeneralCeramic-sheath-type glow-plug dimensions and tolerances shall be as given in Figure 1 and Table 3. Ceramic-type glow-plugs should comply with this part of ISO 17447. However, it is allowed that products designed before the publica

37、tion of this part of ISO 17447 do not comply with this part of ISO 17447.KeyaMajor diameter, in accordance with ISO 1101.bCylinder or hexagonal nut (only for threaded terminal).cInsulator.dM4 or pin terminal (for details, see 4.2.3).Figure 1 Glow-plugNOTE See Table 3 for dimensions.4.2.2 Heating ele

38、mentsFigures 2 and 3 show additional heating elements.NOTE For other dimensions, see Figure 1.Figure 2 Heating element: type H1Figure 3 Heating element: type H2 ISO 2015 All rights reserved 3BS ISO 17447-2:2015ISO 17447-2:2015(E)4.2.3 Electrical connectionFigures 4 and 5 show the pin terminals P1 an

39、d P2.NOTE For details, see Annex A.Figure 4 Pin terminal: type P1NOTE For details, see Annex A.Figure 5 Pin terminal: type P24.2.4 Dimensions for M10 and M8 glow-plugsTable 3 M10 and M8TypeElectrical connectionThread Hexagon Body Heating elementType l6l7d1l1s e k2d2d3reft1l2l3d4d5d6l40,5l50,5t2M10 t

40、ypesThread M4, Type P1, P2a aM10 1,25 6ga12,0 h13 13,3a63or93or1238,4a a a a5,3 3,5 -25 to 3010 to 140,610,0 h13 11M10 1 6g12,0 h13 13,310,0 h13 11M8 typesM8 16g10,0 h13 11 93or1236,8 4,5 3,4 3 9 to 148,0 h13 8,6aValue shall be agreed between glow-plug manufacturers and engine manufacturers.4.3 Cyli

41、nder head housing dimensions4.3.1 GeneralThe dimensions and tolerances of the cylinder head housing for ceramic-sheath-type glow-plugs shall be as given in Figure 6 and Table 4.4 ISO 2015 All rights reservedBS ISO 17447-2:2015ISO 17447-2:2015(E)Dimensions in millimetresKeyaPitch diameter, see Table

42、1.NOTE See Table 4 for dimensions.Figure 6 Cylinder head housing4.3.2 Housing dimensionsTable 4 Housing dimensions for M10 and M8Dimensions in millimetresGlow-plug type D16H 1D2D3refD4L2L3M10 typeM10 1,25-38,7a a(l2-2)(l3-4)M10 1 (l3-3)M8 type M8 1 6,95 (l3-5)aValue shall be agreed between glow-plug

43、 manufacturers and engine manufacturers.NOTE , l2,and l3are dimensions of the glow-plug. See Figure 1, Table 3, and Table 4.5 Installation tightening torqueThe installation tightening torque values shall be as given in Table 5. The values apply to unused sheath-type glow-plugs without lubricant on t

44、he threads. If threads are lubricated, the torque value shall be reduced by approximately one-third to avoid overstressing. ISO 2015 All rights reserved 5BS ISO 17447-2:2015ISO 17447-2:2015(E)Table 5 Tightening torquesGlow-plug thread sizeElectrical connection (terminal)Installation tightening torqu

45、eNmGlow-plug threadbM4 terminal threadM10M4 thread10 to 200,8 to 1,5aPin n.a.M8M4 thread9 to 120,8 to 1,5aPin n.a.n.a. = not applicableaDiffering specifications apply to the admissible tightening torque depending on the nut used.bTorque values for cast iron and aluminium cylinder heads as applicable

46、.NOTE 1 Engine manufacturers may specify a different torque for the first installation.NOTE 2 For M8 glow-plugs, values apply to unused nickel or zinc plated sheath-type glow-plugs without lubricant on the threads.If glow-plugs are plated with a different material and/or the threads are lubricated,

47、the applicable torque values shall be agreed between the glow-plug manufacturer and the engine manufacturer.When the installation deformation by cylinder head housing material and by glow-plug plating is big, consultation should be held between glow-plug manufacturers and engine manufacturers.6 ISO

48、2015 All rights reservedBS ISO 17447-2:2015ISO 17447-2:2015(E)Annex A (normative) Pin terminal dimensionsThe dimensions of pin terminals P1 and P2 shall be as shown in Figures A.1 and A.2.Dimensions in millimetresKeyaEffective dimension for diameter 4 +0,08/0,08 and Rz 6,3.bd7 9 for M10; d7 7,8 for

49、M8.Figure A.1 Dimensions of pin terminal P1 for M8 and M10 glow-plugs ISO 2015 All rights reserved 7BS ISO 17447-2:2015ISO 17447-2:2015(E)Dimensions in millimetresKey1 hexagon 10,0 h13aThe surface in this area is free of undercut.Figure A.2 Dimensions of pin terminal P2 for M10 glow-plugs8 ISO 2015 All rights reservedBS ISO 17447-2:2015ISO 17447-2:2015(E)Bibliography1 ISO 2768-2, Ge

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