1、 The American Society of Mechanical Engineers AN AMERICAN NATIONAL STANDARD HEAVY DUTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH ASME B2M.l OM-1 MN7 (REViSiOn Of ASME B21.1 OM-1 114) STD-ASME B29-LOM-ENGL L997 I 0759b70 05873b8 bbb W Date of Issuance: October 20, 1997 This S
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8、eproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. The American Society of Mechanical Engineers 345 East 47th Street, New York, NY 10017 Copyright O 1997 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Pri
9、nted in U.S.A. STD-ASME B27.LOM-ENGL 1777 0757b70 05873b7 5T2 FOREWORD (This Foreword is not part of ASME 829.10M-1997.) Chains of the type covered by this Standard were introduced in the United States late in the 19th Century. As their popularity increased, the number of chains and manufacturers gr
10、ew. As one manufacturer developed a successful size chain, or family of chains, others soon duplicated it and a large number of chains came into being. In spite of efforts at standardization, the Corps of Engineers, United States Army, found during the Korean incident of 1950-53 that lack of adequat
11、e standardization of power transmission chains still resulted in the incapacitation of many cranes and shovels. For this reason, the Corps of Engineers requested the Society of Automotive Engineers to expand the scope of ASA Sectional Committee B29 to cover this group of chains. On May 13, 1956, the
12、 Corps of Engineers request was approved by the ASA B29 Committee and the ASA B29. I O Subcommittee was formed. Upon approval by the American Standards Association in April 1962, the first standard for ASA B29.10 chains and sprockets was published. The Standard described the physical dimensions of t
13、he chain components and sprockets, and defined the minimum static properties for the chains. In 1970, this Standard was revised to include Drive Selection information in a Supplementary Section and to convert fractions to decimal-inch, and include metric dimensions in SI Units. In September 1962, th
14、e Engineering Steel Chain Division of the ACA began a research program to develop ratings for the ANSI B29.10 chains. Capacity information on the smaller B29.1 chains already developed in research programs sponsored by the Roller Chain Division of the ACA was made available to the Engineering Steel
15、Chain Division. Member companies contributed information from their own research programs. Special dynamic test equipment was built to enable obtaining wear and capacity data on very large chains. The horsepower capacities published as supplementary information in this Standard resulted from this co
16、mbined research effort; they are considerably higher than previously accepted by the industry. At all speeds and for all sprocket sizes, the capabilities of ANSI B29.10 chain drives exceeded those previously accepted by the industry. This Standard was approved as an American National Standard on Dec
17、ember 27, 1972. The 1981 revision included updating to the current ANSI standards format covering chains and sprockets. In the process of updating, the supplemental information (Appendices A and B) was reviewed and found to be inadequate with respect to selection information. The information was inc
18、omplete and could result in an unsatisfactory selection. Chain standards generally contained only dimensional and strength information to allow chains to be intercoupled. Therefore, the horsepower capacity information was deleted. The American National Standards Institute approved that revision on A
19、pril 3, 1981. The 1991 revision added definitions for minimum ultimate strength (para. 2.2), measuring load (para. 2.3), and strand length tolerance (para. 2.4). M.U.T.S. values for chains 4020, 4824, and 5628 were increased. Other clarifications were made without changing the basic content. The 199
20、4 revision was approved by the American National Standards Institute on November 17, 1994. This 1997 revision of ASME B29.10M was approved by the American National Standards Institute on July 22, 1997. . 111 ASME COMMITTEE B29 Chains, Attachments, and Sprockets for Power Transmission and Conveying (
21、The following is the roster of the Committee at the time of approval of this Standard.) OFFICERS J. L. Wright, Chair R. H. Uttke, Vice Chair K. M. Padilia, Secretary COMMITTEE PERSONNEL E. B. Beardslee, Beardslee Transmission Equipment Co., Long Island City, New York L. E. Hampel, Allied-Locke Indus
22、tries, Inc., Dixon, Illinois A. M. McCarty, Emerson Power Transmission, Ithaca, New York D. Moore, Jeffrey Chain Co., Morristown, Tennessee C. B. Norberg, Ithaca, New York V. D. Petershack, Hitachi Maxco Ltd., Oconomowoc, Wisconsin R. A. Reinfried, Conveyor Equipment Manufacturers Association, Manas
23、sas, Virginia S. Rhoad, Webster Industries, Inc., Tiffin, Ohio K. J. Smith, Drives, Inc., Fulton, Illinois R. H. Uttke, Rexnord Corp., Milwaukee, Wisconsin J. L. Wright, Diamond Chain Co., Indianapolis, Indiana D. N. Zwiep, Worcester Polytechnic Institute, Worcester, Massachusetts J. Kane, Alternate
24、, U.S. Tsubaki Inc., Holyoke, Massachusetts C. McDonald, Alternate, Jervis B. Webb Co., New Hudson, Michigan STD-ASME B29.10M-ENGL 1997 m 0757670 0587373 150 CONTENTS . Foreword 111 Standards Committee Roster . v 1 Nomenclature 1 2 General Chain Designators 1 3 Chain Assembly 2 4 Sprocket Tooth Form
25、 . . .2 Figures I Heavy Duty Offset Sidebar Power Transmission Roller Chains . 1 2 Chain Assembly 3 3 Sprocket Tooth Form . Tables 1 2 3 Chain Clearance Dimensions 4 Maximum Eccentricity and Face Runout Tolerances . . General Chain Dimensions, M.U.T.S., Strand Length, and Maximum and Minimum Control
26、ling Link Dimensions for Interchangeable Chain Links 5 Sprocket Tooth Form Factors vii ASME B29.10M- 1997 HEAVY DUTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH 1 NOMENCLATURE A series of identical offset links in which the pins articulate inside the bushings and the rollers a
27、re free to turn on the bushings. Pins and bushings are fixed in their respective sidebar holes Fig. 1, sketches (a) and (b). In addition to press fits, other types of locks such as flats are sometimes used to prevent rotation of pins and bushings in their respective sidebar holes. 2 GENERAL CHAIN DE
28、SIGNATORS 2.1 Dimensions for Chain Links To assure interchangeability of links as produced by different makers of chain, standard maximum and minimum dimensions are adopted. They are not actual dimensions used in manufacturing, but limiting dimen- sions, maximum or minimum, required to assure the de
29、sired interchangeability. All dimensions are given in a decimal-inch system. The metric equivalent dimensions are for reference only. 2.2 Numbering System The standard chain numbers were based upon the inch system. The first two, or left hand digits in the chain designation denote the number of in.
30、in the pitch. The last two, or right hand digits, denote the number of 1/16 in. in the pin diameter. 2.3 Minimum Ultimate Tensile Strength (M.U.T.S.) Minimum Ultimate Tensile Strength (M.U.T.S.), for chain covered by this Standard, is the minimum force at which an unused, undamaged chain could fail
31、when subjected to a single tensile loading test. WARNING: (a) The minimum ultimfe fende strength is not a “working load.” The M.U.T.S. greatly exceeds the maximum force that may be safely applied to the chain. (b) Test Procedure: A tensile force is slowly applied, in uniaxial direction, to the ends
32、of the chain sample. FIG. 1 HEAVY DUTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS (c) The tensile test is a destructive test. Even though the chain may not visibly fail when subjected to the “Minimum Ultimate Tensile Force,” it will have been damaged and will be unfit for service. CAUTION: This
33、 load is beyond the yield strength of the chain and would render the chain unsuitable for application. For application guidance, consult manufacturers catalogs or the American Chain Association Handbook, “Engineering Steel Chains for Conveyors, Elevators and Drives. 2.4 Measuring Load The measuring
34、load, in pounds (or kilonewtons) in Table 1, is the load under which a dry or lightly lubricated chain should be measured for length. ASME B29.1 OM-I 997 HEAVY DUTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH 2.5 Strand Length Tolerance The length of new chains subject to the
35、specified measuring load must fali within the plus and minus tolerances. Specific maximum and minimum strand lengths are shown in Table I, for each chain. 3 CHAIN ASSEMBLY See Fig. 2 and Tables 1, 2, and 3 4 SPROCKET TOOTH FORM See Fig. 3. 2 STD-ASME B27-LOM-ENGL 1997 E 0759b70 0587374 9bT = HEAVY D
36、UTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH - Y- - ya - - - va - I P -V ASME B29.10M-1997 = inside diameter of bushing D = pin diameter F = overall chain height H = roller diameter J = pin head to centerline K = pin end to centerline P = assembled chain pitch (this is a th
37、eoretical reference dimension used for basic calculations) T = sidebar thickness V = sidebar end clearance radius, open end of link Va = sidebar end clearance radius, closed end of link W = inside width X = width of link at closed end extending through end clearance zone “Y“ Y = sidebar end clearanc
38、e zone, closed end of link Y, = sidebar end clearance zone, open end of link Z = width between sidebars at open end of link extending through sidebar end clearance zone “Y,“ 30 deg. ?Siva FIG. 2 CHAIN ASSEMBLY 3 STD-ASME B27-1OM-ENGL 1777 0757b70 0587375 BTb m ASME B29.10M-1997 HEAVY DUTY OFFSET SID
39、EBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH TABLE 1 GENERAL CHAIN DIMENSIONS, M.U.T.S., STRAND LENGTH, AND MEASURING LOAD Chain No. 2010 P D T F H W M.U.T.S., Ib (See para. 2.2) Note (li1 No. of Chain Pitches in Standard Measuring Length Standard Measuring Length, in. Max. Min. Measurin
40、g Load, Ib 2.500 0.625 0.31 1.75 1.25 1.50 57,000 48 120.38 120.00 400 P D T F H W M.U.T.S., kN (See para. 2.2) Note ilil No. of Chain Pitches in Standard Measuring Length Standard Measuring Length, mm Max. Min. Measuring Load, kN 63.50 15.88 7.9 44.5 31.8 38.1 254 48 3057.7 3048.0 1.8 2512 3.067 0.
41、750 0.38 2.25 1.62 1.56 77,000 39 119.99 119.61 600 77.90 19.05 9.7 57.2 41.1 39.6 342 39 3047.7 3038.1 2.7 Dimensions, in. 2814 3.500 0.875 0.50 2.25 1.75 1.50 106,000 34 119.38 119.00 800 3315 4.073 0.938 0.56 2.38 1.78 1.94 124,000 30 122.57 122.19 900 Dimensions, mm 88.00 22.22 12.7 57.2 44.5 38
42、.1 47 1 34 3032.3 3022.6 3.6 103.45 23.83 14.2 60.5 45.2 49.3 552 30 31 13.3 3103.6 4.0 361 8 4.500 1.100 0.56 3.00 2.25 2.06 171,000 27 121.88 121.50 1300 1 14.30 27.94 14.2 76.2 57.2 52.3 761 27 3095.8 3086.1 5.8 4020 5.000 1.250 0.62 3.50 2.50 2.75 222,000 24 120.38 120.00 1700 127.00 31.75 15.7
43、88.9 63.5 69.9 987 24 3057.7 3048.0 7.6 4824 6.000 1.500 0.75 4.00 3.00 3.00 3 15,000 20 120.38 120.00 2200 152.40 38.1 O 19.1 101.6 76.2 76.2 1401 20 3057.7 3048.0 9.8 5628 7.000 1.750 0.88 5.00 3.50 3.25 425,000 17 119.38 119.00 3300 177.80 44.45 22.4 127.0 88.9 82.6 1890 17 3032.3 3022.6 14.7 CAU
44、TION: The numerical values set forth in this Table do not afford a sufficient or appropriate basis for determining chain application and must be read in conjunction with the definitions and explanatory notes on page 1. NOTE: (1) M.U.T.S. is a factored statistical value for standards, which does not
45、necessarily reflect the typical ultimate strength of the chain. Manufacturer should be consulted for additional information. 4 HEAVY DUTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH TABLE 2 MAXIMUM AND MINIMUM CONTROLLING LINK DIMENSIONS FOR INTERCHANGEABLE CHAIN LINKS ASME B2
46、9.10M-1997 Chain No. Chain Pitch (P) Pin Diameter, ( D) Max. Inside Diameter (6) of Bushing, Min. Roller Diameter, (H) Max. Sidebar End (Y) Clearance Zone Closed End of Link, Min. Note il) Sidebar End (Y,) Clearance Zone Open End of Link, Min. Note (1)l Sidebar End ( V) Clearance Radius Open End of
47、Link, Max. Note (1)1 Sidebar End (Va) Clearance Radius Closed End of Link, Max. Note (1)l Width of Link at (XI Closed End, Extend- ing Through End Clearance Zone “Y,“ Max. Width Between (Z) Sidebars at Open End of Link Extend- ing Through Sidebar End Clearance Zone “Y,“ Min. Inside Width, Min. (W) 2
48、010 2.500 0.626 0.628 1.250 0.88 0.94 0.88 0.94 2.141 2.146 1.44 2512 3.067 0.751 0.753 1.625 1 .O6 1.16 1 .O6 1.16 2.328 2.333 1.50 Dimensions 2814 3.500 0.876 0.879 1.750 1.25 1.31 1.25 1.31 2.520 2.525 1.44 n. 3315 4.073 0.939 0.942 1.781 1.31 1.38 1.31 1.38 3.082 3.087 1.86 3618 4.500 1.101 1.10
49、5 2.250 1.56 1.62 1.56 1.62 3.207 3.212 1.98 4020 5.000 1.251 1.255 2.500 1.88 2.06 1.88 2.06 4.031 4.036 2.64 4824 6.000 1.501 1.506 3.000 2.19 2.31 2.19 2.31 4.531 4.536 2.88 5628 7.000 1.751 1.757 3.500 2.56 2.68 2.56 2.68 5.031 5.036 3.12 (Table 2 continues on next pagel 5 STD-ASME B27-10M-ENGL 1777 m 0757b70 0587377 b77 m ASME B29.10M-1997 HEAVY DUTY OFFSET SIDEBAR POWER TRANSMISSION ROLLER CHAINS AND SPROCKET TEETH TABLE 2 (CONTD) MAXIMUM AND MINIMUM CONTROLLING LINK DIMENSIONS FOR INTERCHANGEABLE
