1、BSI Standards Publication BS ISO 606:2015 Short-pitch transmission precision roller and bush chains, attachments and associated chain sprocketsBS ISO 606:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation of ISO 606:2015. The UK participation in its preparation wa
2、s entrusted to Technical Committee MCE/1, Chains and chain sprockets for power transmission. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsib
3、le for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 82025 0 ICS 21.220.30 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standa
4、rds Policy and Strategy Committee on 31 August 2015. Amendments/corrigenda issued since publication Date Text affectedBS ISO 606:2015 ISO 2015 Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets Chanes de transmission de prcision rouleaux et douilles
5、, plaques- attaches et roues dentes correspondantes INTERNATIONAL STANDARD ISO 606 Fourth edition 2015-08-15 Reference number ISO 606:2015(E)BS ISO 606:2015ISO 606:2015(E)ii ISO 2015 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in Switzerland All rights reserved. Unless other
6、wise specified, no part of 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 b
7、elow or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.orgBS ISO 606:2015ISO 606:2015(E)Foreword v Introduction vi 1 Scope . 1 2 Normative refer
8、ences 1 3 Chains . 2 3.1 Nomenclature of assemblies and components 2 3.2 Designation 4 3.3 Dimensions . 4 3.4 Performance requirements 6 3.4.1 General 6 3.4.2 Tensile testing 7 3.4.3 Preloading 7 3.4.4 Length validation . 7 3.4.5 Dynamic testing 7 3.5 Marking . 8 3.6 Cranked links 8 4 Attachments .1
9、2 4.1 Nomenclature12 4.2 General 13 4.3 Designation .13 4.4 Dimensions 14 4.5 Manufacture .14 4.6 Marking 14 5 Chain sprockets.16 5.1 General 16 5.2 Nomenclature16 5.3 Diametral dimensions of sprocket rim 19 5.3.1 Nomenclature 19 5.3.2 Dimensions 19 5.4 Sprocket tooth gap forms 20 5.4.1 Nomenclature
10、 20 5.4.2 Dimensions 20 5.5 Tooth heights and tip diameters .21 5.5.1 Nomenclature 21 5.5.2 Dimensions 21 5.6 Sprocket rim profiles 22 5.6.1 Nomenclature 22 5.6.2 Dimensions 22 5.7 Radial run-out .22 5.8 Axial run-out (wobble) .23 5.9 Pitch accuracy of sprocket teeth .23 5.10 Number of teeth 23 5.11
11、 Bore tolerance.23 5.12 Marking 23 Annex A (normative) Pitch circle diameters .24 Annex B (informative) Equivalent chain designations26 Annex C (informative) Method of calculating chain minimum dynamic strength .27 Annex D (informative) Method of determining maximum test force F maxwhen conducting d
12、ynamic strength conformance test 30 Annex E (informative) Examples of methods used to avoid an excessive increase in the rate ISO 2015 All rights reserved iii Contents PageBS ISO 606:2015ISO 606:2015(E)of stress during the tensile test 31 Annex F (informative) Methods used to approximate the minimum
13、 dynamic test values for multiplex chains .34 Bibliography .35 iv ISO 2015 All rights reservedBS ISO 606:2015ISO 606:2015(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Internation
14、al 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, governmental and non-governmental, in liaison with ISO,
15、 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 maintenance are described in the ISO/IEC Directives, Part
16、 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 is drawn to the possibility that some of the e
17、lements 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/or on the ISO list of patent declarations rece
18、ived (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 assessment, as well as information about ISOs a
19、dherence 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 100, Chains and chain sprockets for power transmission and conveyors. This fourth edition cancels and replaces the
20、 third edition (ISO 606:2004), which has been technically revised. It also incorporates Technical Corrigendum ISO 606:2004/Cor. 1:2006. ISO 2015 All rights reserved vBS ISO 606:2015ISO 606:2015(E) Introduction The provisions of this revised International Standard have been established by including s
21、izes of chains used by the majority of countries in the world, and by unifying dimensions, strengths and other data which differed in current national standards, while eliminating those for which it was considered a universal usage had not been established. The whole field of application open to thi
22、s medium of transmission has been covered by the ranges of chains already established. To achieve this, the sizes of 6,35 mm pitch to 76,2 mm pitch inclusive have been duplicated, on the one hand, by the inclusion of chains derived from standards originating and centred around ANSI, and on the other
23、 by chains representing the unification of the principal standards originating in Europe, the two being complementary for the coverage of the widest possible field of application. The ANSI chain reference numbers (25, 35, 40, 50, etc.) are used world-wide and these numbers have now been introduced i
24、nto this International Standard in place of the previous ISO reference numbers (04C, 06C, 08A, 10A, etc.) To assist in cross-referencing the ANSI and previous ISO numbers, details are included in Annex B of this International Standard. The ANSI heavy series of chains (suffix H) are specified in this
25、 International Standard. The ANSI heavy series of chains differs from the ANSI standard series in that thicker plates are used. The ANSI extra heavy series of chains (suffix HE) are now included. The ANSI extra heavy series are dimensionally as the ANSI heavy series (suffix H) but have a higher mini
26、mum ultimate tensile strength. Clause 4 covers specification details for K and M attachments, and extended pin attachments for use with short-pitch transmission roller and bush chains conforming with this International Standard. Clause 5, covering chain sprockets, represents the unification of all t
27、he relevant national standards in the world and includes, in particular, complete tolerances relating to tooth form. The inclusion of the dimensions of the chains specified ensures complete interchangeability of any given size and provides interchangeability of individual links of chains.vi ISO 2015
28、 All rights reservedBS ISO 606:2015Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets 1 Scope This International Standard specifies the characteristics of short-pitch precision roller and bush chains with associated sprockets suitable for the mechan
29、ical transmission of power and allied applications. It covers dimensions, tolerances, length measurement, preloading, minimum tensile strengths and minimum dynamic strength. Although Clause 5 applies to chain sprockets for cycles and motor cycles, this International Standard is not applicable to the
30、ir chains, which are covered by ISO 9633 and ISO 10190, respectively. 2 Normative references The 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 cited applies. For undated referenc
31、es, the latest edition of the referenced document (including any amendments) applies. ISO 286-2:2010, Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts ISO 15654, Fatigue test
32、 method for transmission precision roller chains INTERNATIONAL ST ANDARD ISO 606:2015(E) ISO 2015 All rights reserved 1BS ISO 606:2015ISO 606:2015(E) 3 Chains 3.1 Nomenclature of assemblies and components The nomenclature of chain assemblies and their component parts is shown in Figures 1 and 2 (whi
33、ch do not define the actual form of the chain plates). a) Simplex chain b) Duplex chain c) Triplex chain Figure 1 Types of roller chain assembly2 ISO 2015 All rights reservedBS ISO 606:2015ISO 606:2015(E) a) Inner link Key for a) 1 bush 2 inner plate 3 roller b) Outer links for riveting Key for b) 1
34、 outer plate 2 bearing pins 3 intermediate plate(s) c) Detachable connecting links Key for c) 1 spring clip fastener 4 detachable plate 2 fixed connecting pin 5 cotter pin fastener 3 outer plate ISO 2015 All rights reserved 3BS ISO 606:2015ISO 606:2015(E) d) Cranked links Key for d) 1 cranked plate
35、5 cotter pin fastener 2 bush 6 inner plate 3 roller 7 bearing pin, riveted 4 detachable connecting pin NOTE 1 The plate dimensions are specified in Tables 1 and 2. NOTE 2 Fasteners can be of various designs. Drawings indicate examples. Figure 2 Types of link 3.2 Designation Chains are designated by
36、the standard ISO chain number given in Tables 1 and 2. The ISO chain numbers in Table 1 are supplemented by a hyphenated suffix 1 for simplex chain, 2 for duplex chain and 3 for triplex chain, for example, 16B-1, 16B-2, 16B-3, 80-1, 80-2, 80-3. Chains 081, 083, 084 and 41 do not follow this procedur
37、e since they are normally available in simplex form only. The chains designated in Table 2 are the ANSI heav y and extra heav y series, which are also supplemented by a hyphenated suffix 1 for simplex chain, 2 for duplex chain and 3 for triplex chain, for example, 80H- 1, 80H-2, 80H-3, 80HE-1, 80HE-
38、2, 80HE-3. 3.3 Dimensions Chains shall conform to the dimensions shown in Figure 3 and given in Tables 1 and 2. Maximum and minimum dimensions are specified to ensure interchangeability of links produced by different makers of chain. They represent limits for interchangeability, but are not the manu
39、facturing tolerances.4 ISO 2015 All rights reservedBS ISO 606:2015ISO 606:2015(E) a) Cranked link Key for a) c clearance between cranked link plates and straight plates available during articulation p pitch 1 outer plate 2 cranked plate 3 inner plate b) Sections through chain Key for b) a Chain path
40、 depth is the minimum depth of channel through which the assembled chain will pass ISO 2015 All rights reserved 5BS ISO 606:2015ISO 606:2015(E) Simplex chain Duplex chain Triplex chain c) Types of chain NOTE For the symbols, see Table 1. Figure 3 Chains The overall width of a simplex, duplex or trip
41、lex chain with a joint fastener is given by a) for riveted pin end chains if the fastener is on one side only: (b 4+ b 7 ) or (b 5+ b 7 ) or (b 6+ b 7 ); b) for riveted pin end chains if the fastener is on two sides: b 4+ (2b 7 ) or b 5+ (2b 7 ) or b 6+ (2b 7 ); c) for headed pin end chains if the f
42、astener is on one side only: b 4+ (1,6b 7 ) or b 5+ (1,6b 7 ) or b 6+ (1,6b 7 ); d) for headed pin end chains if the fastener is on two sides: b 4+ (3,2b 7 ) or b 5+ (3,2b 7 ) or b 6+ (3,2b 7 ). The overall width of chains wider than triplex is given by b 4+ p t (number of strands in chain 1). 3.4 P
43、erformance requirements 3.4.1 General WARNING The test requirements are not to be taken as working loads. These loads could be selected, indirectly, using ISO 10823. The test results shall be invalid if the chain has previously been in service or stressed in any way (other than by preloading in acco
44、rdance with 3.4.3). The tests given in 3.4.2 to 3.4.5 shall only be performed on unused, undamaged chains to determine whether the subject chain complies with the minimum requirements specified in Tables 1 and 2.6 ISO 2015 All rights reservedBS ISO 606:2015ISO 606:2015(E) 3.4.2 Tensile testing 3.4.2
45、.1 The minimum tensile strength is that value which shall be exceeded when a tensile force is applied to a sample tested to destruction in accordance with 3.4.2.2 NOTE This minimum tensile strength is not a working load, but is intended primarily as a comparative figure between chains of various con
46、structions. 3.4.2.2 Apply a tensile force slowly to the ends of a chain length containing at least five free pitches by means of fixtures permitting free movement on both sides of the chain centreline, in the normal plane of articulation. Annex E (informative) describes methods to consider using in
47、order to avoid an excessive increase in the rate of stress being applied to the chain during the tensile test. Failure shall be considered to have occurred at the first point where increasing extension is no longer accompanied by increasing force, i.e. the summit of the force/extension diagram. The
48、force at this point shall exceed the minimum tensile strength stated in Tables 1 and 2. Tests in which failures occur adjacent to the shackles shall be disregarded. 3.4.2.3 The tensile test shall be considered as a destructive test. Even though a chain might not visibly fail when subjected to a forc
49、e equivalent to the minimum tensile strength, it will have been stressed beyond the yield point and will be unfit for service. 3.4.2.4 These requirements do not apply to cranked links, connecting links or chains with attachments, as their tensile strength could be reduced. 3.4.3 Preloading Chains manufactured in conformance with this International Standard shall be preloaded by applying a minimum tensile force equivalent to 30 % of the minimum tensile strength given in Tables 1 and 2. 3.4.4 Length valid
