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1、 Reference number ISO 6550-3:2002(E) ISO 2002 INTERNATIONAL STANDARD ISO 6550-3 Second edition 2002-06-01 Road vehicles Sheath-type glow-plugs with conical seating and their cylinder head housing Part 3: M10 glow-plugs Vhicules routiers Bougies de prchauffage fourreau et sige conique et leur logemen
2、t dans la culasse Partie 3: Bougies M10 ISO 6550-3:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the
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5、 the Central Secretariat at the address given below. ISO 2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from eit
6、her ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO 2002 All rights reserved -,-,- ISO 6550-3:2002(E)
7、ISO 2002 All rights reserved iii Contents Page Foreword.iv 1 Scope1 2 Normative references1 3 Dimensions and tolerances2 4 Installation tightening torque.6 Annex A (normative) Pin dimensions .7 Annex B (normative) Alternative pin terminal8 -,-,- ISO 6550-3:2002(E) iv ISO 2002 All rights reserved For
8、eword ISO (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. Each member body interested in a subject for which a tech
9、nical 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 International Electrotechnical Commission (IEC) on all matters of
10、 electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated t
11、o the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO 6550 may be the subject of patent rights. ISO shall not be held respons
12、ible for identifying any or all such patent rights. ISO 6550-3 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 1, Ignition equipment. This second edition cancels and replaces the first edition (ISO 6550-3:1996) which has been technically revised. ISO 6550 consists of th
13、e following parts, under the general title Road vehicles Sheath-type glow-plugs with conical seating and their cylinder head housing: Part 1: M14 1,25 glow-plugs Part 2: M12 1,25 glow-plugs Part 3: M10 glow-plugs M8 1 glow-plugs will be the subject of a future part 4. Annexes A and B form a normativ
14、e part of of this part of ISO 6550. -,-,- INTERNATIONAL STANDARD ISO 6550-3:2002(E) ISO 2002 All rights reserved 1 Road vehicles Sheath-type glow-plugs with conical seating and their cylinder head housing Part 3: M10 glow-plugs 1 Scope This part of ISO 6550 specifies the main characteristics of M10
15、sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of ISO 6550. For date
16、d references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO 6550 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated re
17、ferences, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 68-1, ISO general purpose screw threads Basic profile Part 1: Metric screw heads ISO 261, ISO general-purpose metric screw threads Gen
18、eral plan ISO 965-1, ISO general-purpose metric screw threads Tolerances Part 1: Principles and basic data ISO 965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threads ISO 1101:1), Geometrical Product Specifications (GPS) Geometrical tolerancing
19、Tolerances of form, orientation, location and run-out ISO 8092-1:1996, Road vehicles Connections for on-board electrical wiring harnesses Part 1: Tabs for single- pole connections Dimensions and specific requirements ISO 8092-4:1997, Road vehicles Connections for on-board electrical wiring harnesses
20、 Part 4: Pins for single- and multi-pole connections Dimensions and specific requirements 1) To be published. (Revision of ISO 1101:1983) ISO 6550-3:2002(E) 2 ISO 2002 All rights reserved 3 Dimensions and tolerances 3.1 Glow-plugs Sheath-type glow-plug dimensions and tolerances shall be as shown in
21、Figure 1 and as given in Table 1. Dimensions in millimetres a) With threaded terminal (types A1 to A6 and C1 to C3) b) With flat tab terminal b (types B1 and B2) c) With pin terminal b (types B3 and B4) d) With pin terminal b (type C4) e) With reduced tip end diameter at sheathed glow element b Figu
22、re 1 M10 sheath-type glow-plugs -,-,- ISO 6550-3:2002(E) ISO 2002 All rights reserved 3 f) With cone end diameter Key 1 Tab ISO 8092-1: 6,3 0,8 2 Pin (see annex A) 3 Pin ISO 8092-4 4 a MD is the major diameter, in accordance with ISO 1101. b For other dimensions see a). Figure 1 M10 sheath-type glow
23、-plugs (continued) Table 1 Glow-plug dimensions Type TerminalThread Hexagon Body Glow pin d1 l1 s e k d2 d3 t1 l2 l3 d4 d5 l4 l5 t2 min. min. min. ref. 0,2 0 0,2 min. A1 20,0 1 A2 25,0 1 A3 1 0 10,0+ 35,0 1 30,0 1 A4 20,0 1 A5 25,0 1 A6 M4 M10 1,25-6e 22,0 12,0 h 13 13,3 4,0 123 1 0 0,2 8,2 7,0 0,2
24、1 0 20,0+ 45,0 1 5,0 30,0 1 0,7 B1 7,0 0,25 20,0 0,25 28,5 0,5 B2 blade B3 9,1 0,25 25,9 0,25 27,0 0,5 B4 pina M10 1-6g b 10,0 9,6 h 14 10,7 7,0 93 2 8,3 0,13 6,4 0,18 7,0 0,25 26,7 0,25 5,0 28,5 0,5 0,7 C1 0,7 C2 4,0 25,0 0,5 0,4 C3 M4 30,0 0,5 0,7 C4 Pin ISO 8092-4 4 M10 1-6g b 10,0 10,0 h 13 11,0
25、 7,0 63 1 0 0,2 8,5 7,0 0,2 11,5 min.33,0 min. 5,0 4,0 25,0 0,5 5,0 0,4 a See annex A. b For existing designs, tolerance class 6e is also permitted. New designs shall be to 6g. -,-,- ISO 6550-3:2002(E) 4 ISO 2002 All rights reserved 3.2 Cylinder head housing The dimensions and tolerances of the cyli
26、nder head housing for sheath-type glow-plugs shall be as shown in Figure 2 and as given in Table 2. a MD is the major diameter, in accordance with ISO 1101. Figure 2 Cylinder head housing for M10 glow-plugs Table 2 Housing dimensions Dimensions in millimetres D1 D2 D3 D4 a E L2 L3 Glow-plug type 6H
27、1 min. ref. min. min. 0 1 max. A1 to A3 9,0 31,0 A4 to A6 M10 1,25 120 8,7 7,0 6,5 23 19,0 41,0 B1 and B4 5,0 17,0 B2 and B3 M10 1 90 8,8 6,4 5,5 20 7,0 23,0 C1 to C4 M10 1 60 8,8 7,0 6,5 21 10,0 31,0 a The determination of the exact dimension (above the minimum) is left to the manufacturer. The cle
28、arance between the probe and the cylinder head shall be kept to a minimum. 3.3 Threads 3.3.1 General The threads of M10 glow-plugs and the corresponding tapped holes in cylinder heads shall be in accordance with ISO 68-1, ISO 261, ISO 965-1 and ISO 965-3. The thread M10 1,25-6e shall be used for glo
29、w-plugs of type A. The thread in the corresponding tapped holes in the cylinder heads shall be M10 1,25-6H. -,-,- ISO 6550-3:2002(E) ISO 2002 All rights reserved 5 The thread M10 1-6g (but see 3.3.3) shall be used for glow-plugs of types B and C. The thread in the corresponding tapped holes in the c
30、ylinder heads shall be M10 1-6H. 3.3.2 Dimension limits of thread M10 1,25-6e Dimension limits of thread M10 1,25-6e shall be as given in Table 3. Table 3 Dimension limits M10 1,25 Dimensions in millimetres Dimensions Plug thread (on finished plug) Tapped hole in cylinder head max. 9,937 not specifi
31、ed Major diameter min. 9,725 10,000 max. 9,125 9,348 Pitch diameter min. 9,007 9,188 max. 8,404 8,912 Minor diameter min. 8,237 a 8,647 a With a root radius W 0,125 mm (0,1 P). 3.3.3 Dimension limits of thread M10 1-6g Dimension limits of thread M10 1-6g shall be as given in Table 4. For existing de
32、signs, tolerance class 6e is also permitted. New designs shall be to class 6g. Table 4 Dimension limits M10 1 Dimensions in millimetres Dimensions Plug thread (on finished plug) Tapped hole in cylinder head max. 9,974 not specified Major diameter min. 9,794 10,000 max. 9,324 9,500 Pitch diameter min
33、. 9,212 9,350 max. 8,747 9,153 Minor diameter min. 8,563 a 8,917 a With a root radius W 0,100 mm (0,1 P). -,-,- ISO 6550-3:2002(E) 6 ISO 2002 All rights reserved 4 Installation tightening torque The installation torque values shall be as given in Table 5. The values apply to new sheath-type glow-plu
34、gs without lubricant on the threads. If threads are lubricated, the torque value shall be reduced by approximately one-third to avoid overstressing. Table 5 Tightening torque Dimensions in millimetres Tightening torque Nm Glow-plug type Thread M10 a Thread M4 b A 0,8 to 1,5 B 10 to 20 C 10 to 15 2,5
35、 max. a Engine manufacturers may specify a different torque for the first installation. b Differing specifications apply to the admissible tightening torque according to the nut used. ISO 6550-3:2002(E) ISO 2002 All rights reserved 7 Annex A (normative) Pin dimensions The dimensions of the pin used
36、as the terminal with glow-plug types B3 and B4 shall be as shown in Figure A.1. Dimensions in millimetres Figure A.1 Pin dimensions -,-,- ISO 6550-3:2002(E) 8 ISO 2002 All rights reserved Annex B (normative) Alternative pin terminal The dimensions of the alternative pin terminal for all types of M10 glow-plugs shall be as shown in Figure B.1. Dimensions in millimetres Key 1 Hexagon 10-h13 a Surface in this area is free of undercut. Figure B.1 Dimensions of alternative terminal -,-,- ISO 6550-3:2002(E) ICS 43.060.50 Price based on 8 pages ISO 2002 All rights reserved -,-,-