1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58ICS 53.040.20 Conveyor chains, attachments and sprocketsBRITISH STANDARDBS ISO 1977:2006BS ISO 1977
2、:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 September 2006 BSI 2006ISBN 0 580 48990 6Amendments issued since publicationAmd. No. Date Commentscontract. Users are responsible for its correct application.Compliance with a British St
3、andard cannot confer immunity from legal obligations.National forewordThis British Standard was published by BSI. It is the UK implementation of ISO 1977:2006. It supersedes BS ISO 1977:2000 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MCE/1, Chain
4、s and chain sprockets for power transmission and conveyors.A list of organizations represented on MCE/1 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a Reference numberISO 1977:2006(E)INTERNATIONAL STANDARD ISO1977Second edit
5、ion2006-08-15Conveyor chains, attachments and sprockets Chanes de manutention, plaques-attaches et roues dentes BS ISO 1977:2006ii iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Chains 1 3.1 Nomenclature 1 3.2 Dimensions 1 3.3 Tensile testing. 5 3.4 Length accur
6、acy . 5 3.5 Cranked links 5 3.6 Designation . 5 3.7 Marking 5 4 Attachments 6 4.1 K attachments . 6 4.2 Deep plates 6 5 Sprockets. 8 5.1 Diametral dimensions. 8 5.2 Sprocket tooth gap form 10 5.3 Rim profile . 11 5.4 Radial run-out 12 5.5 Axial run-out 12 5.6 Bore tolerances. 12 5.7 Marking 12 Annex
7、 A (normative) Pitch-circle diameters 13 BS ISO 1977:2006iv Foreword 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 commit
8、tees. 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 collaborates closely with the In
9、ternational Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International
10、 Standards adopted by the technical committees are circulated to 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 document may be the
11、subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 1977 was prepared by Technical Committee ISO/TC 100, Chains and chain sprockets for power transmission and conveyors. This second edition cancels and replaces the first edition (ISO 1977:20
12、00), Figures 2 and 5, as well as 5.4 and 5.5, of which have been technically revised. BS ISO 1977:2006vIntroduction ISO 1977 combines into a single document ISO 1977-1, ISO 1977-2 and ISO 1977-3, which covered metric-series chains and attachments, and chain wheels, while at the same time revising th
13、eir technical content. The principle technical changes are: a reduction in the flanged roller dimensions and the width between outer plates in the MC series of chains, an increase in the width between inner plates in M-series, MC56, MC112 and MC224 chains, and the addition of the small roller diamet
14、er to the MC series. New information on the calculation of sprocket tip diameters and tooth heights above root diameters is also given. BS ISO 1977:2006blank1Conveyor chains, attachments and sprockets 1 Scope This International Standard specifies the characteristics of bush, plain and flanged roller
15、 chains of both solid and hollow bearing pin types designed for general conveying and mechanical handling duties, together with associated chain sprockets and attachments. The chain dimensions specified in this International Standard will ensure interchangeability of complete chains and individual l
16、inks for repair purposes. This International Standard is applicable to sprockets with from 6 to 40 teeth. Control criteria for sprockets are defined to ensure correct meshing, operation and transmission of load in use under normal operating conditions. NOTE Controls do not necessarily determine spro
17、cket design parameters. Specifications are also given for K attachments and deep plates for use with the conveyor chains conforming to this International Standard. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
18、only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 286-2, ISO system of limits and fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts. 3 Chains 3.1 Nomenclature The nome
19、nclature of the chains and their component parts is presented in Figure 1. 3.2 Dimensions Conveyor chain dimensions shall conform to those given in Table 1 or Table 2 (see Figure 2). Both maximum and minimum dimensions are specified to ensure the interchangeability of links made by different chain m
20、anufacturers. Although these represent limits for interchangeability, they are not necessarily to be regarded as limits of tolerance for manufacture. BS ISO 1977:20062 a) Solid bearing pin chain b) Hollow bearing pin chain c) Inner link d) Outer link (solid bearing pins) e) Outer link (hollow bearin
21、g pins) f) Connecting link (cotter pin fasteners) g) Connecting link (nut fasteners) Figure 1 Chain parts BS ISO 1977:20063h) Cranked link double (solid bearing pin) i) Cranked link double (hollow bearing pin) Key 1 roller 5 bearing pins (solid) 9 connecting pins 2 bush 6 bearing pins (hollow) 10 co
22、tter pin fastenersa3 inner plate 7 fixed outer plate 11 nut fastenersa4 outer plate 8 detachable plate 12 cranked plate aThe type of fastener (cotter pin, nut, etc.) is optional. Figure 1 (continued) d1plain roller diameter b2width over inner links d5flange roller diameter d2bearing pin body diamete
23、r b3width between outer plates b11flange roller width d3bush bore b4width over bearing pins d6hollow pin bore d4bush diameter b7additional width for joint faster d7small roller diameter h2plate depth l1cranked link dimension b1width between inner plates p pitch NOTE 1 Bearing pins can be of necked d
24、esign, as shown here, or plain as in Figure 1. NOTE 2 These illustrations do not define the true form of the chain plates, pins, bushes or rollers. Figure 2 Chain dimensions and symbols (see Tables 1 and 2) BS ISO 1977:20064 Table1 Solid pin conveyorchain dimensionsand characteristicsISO chainno.(ba
25、sic) Tensile strengthd1Pitcha b cpd2d3d4h2b1b2b3b4b7Measu-ring forcel1dd5b11d7kNmm mm mm kNmm min. max.40 50 63 80 100 125 160 200 250 315 400 500 630 800 1 000max.min. max.max.min.max.min.max.max.min.max.max.max.M20 20 25 X 6 6,1 9 19 16 22 22,235 7 0,4 12,532 3,5 12,5 M28 28 30 X 7 7,1 10 21 18 25
26、 25,240 8 0,56 14 36 4 15 M40 40 36 8,5 8,6 12,526 20 28 28,345 9 0,8 17 42 4,5 18 M56 56 42 X 10 10,1 15 31 24 33 33,352 10 1,12 20,550 5 21 M80 80 50 12 12,1 18 36 28 39 39,462 12 1,6 23,560 6 25 M112 112 60 X 15 15,1 21 41 32 45 45,573 14 2,24 27,570 7 30 M160 160 70 X 18 18,1 25 51 37 52 52,585
27、16 3,2 34 85 8,5 36 M224 224 85 X 21 21,2 30 62 43 60 60,698 18 4,5 40 100 10 42 M315 315 100 X 25 25,2 36 72 48 70 70,7112 21 6,3 47 120 12 50 M450 450 120 30 30,2 42 82 56 82 82,8135 25 9 55 140 14 60 M630 630 140 36 36,2 50 103 66 96 97 154 30 12,5 66,5170 16 70 M900 900 170 X 44 44,2 60 123 78 1
28、12 113 180 37 18 81 210 18 85 aPitch,p,isatheoreticalreferencedimensionused inthe calculation ofchainlengths and sprocket dimensions,and isnot intended foruse inthe inspectionofindividuallinks. bThose pitches indicated byanXareforbush and smallrollerchains only.cThose pitches withinthe shadedarea ar
29、e the preferred pitches. dThe cranked linkdimension l1alsodetermines themaximumplate length and the limitofthe path ofarticulationtakingminimumplayinto account. Table 2 Hollowpinconveyerchaindimensionsandcharacteristics ISO chainno.(basic) Tensile strengthd1Pitcha bpd2d3d4h2b1b2b3b4b7Measu-ring forc
30、el1cd5b11d6d7kNmm mm mm kNmm min. max.63 80 100 125 160 200 250 315 400 500 max.min. max.max.min. max.min. max.max.min. max.max.min. max.MC28 28 36 13 13,1 17,5 26 20 28 28,3 42 10 0,56 17 42 4,5 8,2 25 MC56 56 50 15,5 15,6 21 36 24 33 33,3 48 13 1,12 23,5 60 5 10,2 30 MC112 112 70 22 22,2 29 51 32
31、45 45,5 67 19 2,24 34 85 7 14,3 42 MC224 224 100 31 31,2 41 72 43 60 60,6 90 24 4,5 47 120 10 20,3 60 aPitch,p,isatheoreticalreferencedimensionused inthe calculation ofchainlengths and sprocket dimensions,and isnot intended foruse inthe inspectionofindividuallinks. bThose pitches withinthe shadedare
32、a are the preferred pitches. cThe cranked linkdimension l1alsodetermines themaximumplate length and the limitofthe path ofarticulationtakingminimumplayinto account. BS ISO 1977:200653.3 Tensile testing The test length shall have a minimum of three free pitches. The ends shall be attached to the test
33、ing-machine shackles by a pin through the plate holes or the bushes. The shackles shall be designed so as to allow universal movement. The actual test method shall be left to the manufacturers discretion. Tests in which failures occur adjacent to the shackles shall be disregarded. 3.4 Length accurac
34、y 3.4.1 General When measured in accordance with the requirements given in 3.4.2, 3.4.3 and 3.4.4, the finished chain shall be accurate to within 0,250% of the nominal chain length. NOTE Chains that work in parallel can be matched by agreement between the purchaser and manufacturer. 3.4.2 Standard t
35、est-measurement length The length of chain for measurement shall be that nearest to 3 000 mm with an odd number of pitches, terminating with inner links at each end. 3.4.3 Support The chain, in unlubricated condition, shall be supported throughout its entire length. 3.4.4 Measuring force A force equ
36、al to 1/50 of the appropriate tensile strength given in Table 1 or Table 2 shall be applied. 3.5 Cranked links In order to obtain an odd number of pitches in an endless chain, a cranked link is used see Figure 1 h) and 1 i). The cranked link dimension of a chain shall correspond to its respective l1
37、as given in Table 1 or Table 2 and as appropriate. 3.6 Designation The designation numbers for conveyor chains are based on the ISO numbers given in Table 1 and Table 2. These numbers are derived from the minimum tensile strength (in kilonewtons) and have been given the prefixes M, to indicate a sol
38、id bearing pin chain, and MC, to indicate a hollow bearing pin chain. EXAMPLE M80 signifies a solid bearing pin chain of 80 kN tensile strength. MC224 signifies a hollow bearing pin chain of 224 kN tensile strength. The addition of the letter B, F, P or S indicates type: bush, flanged roller, plain
39、or small roller, respectively. The addition of further digits indicates the pitch in millimetres. EXAMPLE MC224 chain with flanged roller and pitch of 200 mm: MC224-F-200 3.7 Marking The chains shall be marked with the manufacturers name or trademark, and should be marked with the respective ISO cha
40、in number given in Table 1 or Table 2. BS ISO 1977:20066 4 Attachments 4.1 K attachments 4.1.1 Dimensions K attachments are shown in Figure 3, and their respective dimensions are given in Table 3. 4.1.2 Designation This International Standard specifies three types of K attachment: K1, which has one
41、attachment hole centrally disposed in each plate; K2, which has two attachment holes disposed in each plate (see Figure 3); K3, which has two attachment holes disposed in each plate and a third hole centrally positioned between the two. Attachments may be fitted on one or both sides of the chain. 4.
42、1.3 Manufacture For convenience, the K attachments are shown in Figure 3 as being made of rolled steel angle section. However, their construction shall be at the discretion of the manufacturer and may be of integral form, whereby the actual chain plates will be bent over to form the platform. The at
43、tachment length shall be at the discretion of the manufacturer. 4.2 Deep plates The deep plate height, h6, is shown in Figure 4, with respective heights given in Table 4. All other data, including chain tensile strengths, are specified in Tables 1 and 2. BS ISO 1977:20067d8hole diameter b9width over
44、 attachments h4platform height g longitudinal distance between hole centres f transverse distance between hole centres p pitch Figure 3 K attachment dimensions and symbols (see Table 3) Table 3 K attachment dimensions Dimensions in millimetres Longitudinal distance between hole centres short medium
45、long ISO chain number d8h4f b9p ag p ag p ag max. min. min. min. M20 6,6 16 54 84 63 20 80 35 100 50 M28 9 20 64 100 80 25 100 40 125 65 M40 9 25 70 112 80 20 100 40 125 65 M56 11 30 88 140 100 25 125 50 160 85 M80 11 35 96 160 125 50 160 85 200 125 M112 14 40 110 184 125 35 160 65 200 100 M160 14 4
46、5 124 200 160 50 200 85 250 145 M224 18 55 140 228 200 65 250 125 315 190 M315 18 65 160 250 200 50 250 100 315 155 M450 18 75 180 280 250 85 315 155 400 240 M630 24 90 230 380 315 100 400 190 500 300 M900 30 110 280 480 315 65 400 155 500 240 MC28 9 25 70 112 80 20 100 40 125 65 MC56 11 35 88 152 1
47、25 50 160 85 200 125 MC112 14 45 110 192 160 50 200 85 250 145 MC224 18 65 140 220 200 50 250 100 315 155 aMinimum chain pitch for longitudinal distance between hole centres g. BS ISO 1977:20068 h6plate height Figure 4 Deep plate height (see Table 4) Table 4 Deep plate heights Dimensions in millimet
48、res ISO chain number h6M20 16 M28 20 M40 22,5 M56 30 M80 32,5 M112 40 M160 45 M224 60 M315 65 M450 80 M630 90 M900 120 MC28 22,5 MC56 32,5 MC112 45 MC224 65 NOTE All other data, including those relating to tensile strength, are as those given for the basic chain plates in Clause 3. 5 Sprockets 5.1 D
49、iametral dimensions 5.1.1 General The sprocket diametral dimensions are shown in Figure 5, and specified in 5.1.2 to 5.1.6. 5.1.2 Pitch circle diameter (d) 180sinpdz=The unitary dimensions of the normal range of teeth are given in Annex A. BS ISO 1977:200695.1.3 Tip diameter (da) damax = d + d1The minimum tip diameter shall ensure a tooth working face according to 5.2.2. batooth side relief bftooth width bgrelieved tooth width minimum d pitch circle diameter datip diameter dfroot diameter dgabsolute maximum shroud
