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本文(ASME B29 1-2011 Precision Power Transmission Roller Chains Attachments and Sprockets (Partition From ASME B29 100)《精密动力传动滚子链 连接件及链轮》.pdf)为本站会员(boatfragile160)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!

ASME B29 1-2011 Precision Power Transmission Roller Chains Attachments and Sprockets (Partition From ASME B29 100)《精密动力传动滚子链 连接件及链轮》.pdf

1、Precision Power Transmission Roller Chains, Attachments, and SprocketsAN AMERICAN NATIONAL STANDARDASME B29.1-2011(Revision of ASME B29.1 and Partition From ASME B29.100-2002)ASME B29.1-2011(Revision of ASME B29.1 and Partition From ASME B29.100-2002)Precision PowerTransmission RollerChains, Attachm

2、ents,and SprocketsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York, NY 10016 USADate of Issuance: January 31, 2012The next edition of this Standard is scheduled for publication in 2016.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. In

3、terpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org/ as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items, or to correct typographical or gram

4、matical errorsin codes and standards. Such errata shall be used on the date posted.The Committee Pages can be found at http:/cstools.asme.org/. There is an option available toautomatically receive an e-mail notification when errata are posted to a particular code or standard.This option can be found

5、 on the appropriate Committee Page after selecting “Errata” in the “PublicationInformation” section.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.

6、 The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailable for public review and comment that provides an opportunity for additional

7、public input from industry, academia,regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyite

8、ms mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent right

9、s, and the risk of infringement of such rights, isentirely their own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only thos

10、e interpretations of this document issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written per

11、mission of the publisher.The American Society of Mechanical EngineersThree Park Avenue, New York, NY 10016-5990Copyright 2012 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword vCommittee Roster . viiCorrespondence With the B29 Committee viii1 Roller C

12、hain . 12 Attachments . 23 Sprockets 3Figures1 Precision Power Transmission Roller Chain and Components . 52 Offset Link Plate 63 Attachments 64 Types of Sprockets 75 Sprocket Flange Location and Thickness . 86 Theoretical Tooth Form . 97 Sprocket Diameters . 12Tables1 General Chain Dimensions, in.

13、and lb . 131M General Chain Dimensions, mm and N 142 Maximum Width Over Regular Pin, in. 152M Maximum Width Over Regular Pin, mm 163 Dimensional Limits for Interchangeable Chain Links, in. . 173M Dimensional Limits for Interchangeable Chain Links, mm 184 Straight Link Plate Extension Dimensions, in.

14、 194M Straight Link Plate Extension Dimensions, mm 195 Bent Link Plate Extension Dimensions, in. . 205M Bent Link Plate Extension Dimensions, mm 206 Extended Pin Dimensions . 217 Sprocket Tooth Section Profile Dimensions of Commercial and PrecisionSprockets, in. . 227M Sprocket Tooth Section Profile

15、 Dimensions of Commercial and PrecisionSprockets, mm . 238 Maximum Eccentricity and Face Runout Tolerances for Commercial Sprockets(Measured as Total Indicator Reading), in. . 248M Maximum Eccentricity and Face Runout Tolerances for Commercial Sprockets(Measured as Total Indicator Reading), mm . 249

16、 Maximum Eccentricity and Face Runout Tolerances for Precision Sprockets(Measured as Total Indicator Reading), in. . 249M Maximum Eccentricity and Face Runout Tolerances for Precision Sprockets(Measured as Total Indicator Reading), mm . 2410 Sprocket Flange Thickness, in. . 2510M Sprocket Flange Thi

17、ckness, mm . 2511 Seating Curve Dimensions and Tolerances, in. . 2611M Seating Curve Dimensions and Tolerances, mm 2612 Minus Tolerances on the Caliper Diameters of Commercial Sprockets forVarious Numbers of Teeth, in. 2712M Minus Tolerances on the Caliper Diameters of Commercial Sprockets forVariou

18、s Numbers of Teeth, mm . 2713 Minus Tolerances on the Caliper Diameters of Precision Sprockets for VariousNumbers of Teeth, in. . 28iii13M Minus Tolerances on the Caliper Diameters of Precision Sprockets for VariousNumbers of Teeth, mm . 2814 Pitch Diameter, Outside Diameter, and Measuring Dimension

19、 Factor for Chain ofUnity Pitch . 2915 Whole Depth of Topping Hob Cut, WD, for Each Pitch and Range, in. 3215M Whole Depth of Topping Hob Cut, WD, for Each Pitch and Range, mm 33Nonmandatory AppendicesA Supplementary Information on Chain Selection 35B Supplementary Information on Equations for Power

20、 Ratings . 61C Supplementary Information on Sprocket Cutting Tools . 64ivFOREWORDThe original design of precision roller chain dates back to the late 1890s, although varioustypes of drive chains have been in use for centuries. The early automobiles used roller chainsextensively as the final drive. T

21、he industrial use for roller chains grew substantially, resulting inthe desirability of standardization. The perfected American standard chain of today has evolvedto meet the demand for ever-increasing horsepower and higher speeds, as well as accurate timing.In 1913, the Society of Automotive Engine

22、ers (SAE) published formulas for calculating theroller chain length, sprocket tooth profiles, and other important design criteria. Recommendationsfrom the Roller Chain Committee of the American Society of Mechanical Engineers (ASME)followed in 1917 with dimensional standards for the various componen

23、ts and assemblies. Earlyin 1920, through the cooperation of these two groups, roller chain standards were formulatedand recommended for acceptance by industry. The progress was followed in 1921 by organizationof a sprocket committee of the American Gear Manufacturers Association (AGMA).ASA Sectional

24、 Committee B29, Transmission Chain, Sprockets, and Cutters, was organized in1924 by the American Standards Association with ASME, AGMA, and SAE as sponsors. Asubcommittee on roller chains was established to study modern practices of roller chain manufac-ture and use. Its recommendations on standards

25、 were approved by the Sectional Committee inMay 1929 and approved by the American Standards Association in July 1930. They were publishedas B29a-1930, Roller Chain, Sprockets, and Cutters. This roller chain standard ensured interchange-ability and optional sources of supply.In 1930, the Association

26、of Roller and Silent Chain Manufacturers (ARSCM) was founded. Theobjectives of the association were to cooperate in developing standards of sound engineeringand manufacturing practice, to foster improvements in chain performance, and to extend the useof roller chains. This association was subsequent

27、ly dissolved in 1960, and its members becamepart of the American Sprocket Chain Manufacturers Association (ASCMA), which was organizedto bring together manufacturers of all types of sprocket-driven chains. The name of this groupwas changed in 1971 to the American Chain Association (ACA).As a result

28、of combined industry research programs sponsored by ARSCM, starting in 1946and continuing under ASCMA, greater predictability of roller chain drive service life has beenachieved. These studies provided greater knowledge of such roller chain characteristics as linkplate endurance strengths, roller im

29、pact forces, dynamic tension forces, operating efficiency, wearlife of well-lubricated drives at various speeds and loads, pinbushing interaction at high speeds,and the phenomenon of chain joint galling. This scientific exploration produced such vast gainsin the technical knowledge of capabilities o

30、f roller chains that increases in horsepower ratingswere possible. The wear studies, for example, have shown that a separating film of lubricant isformed in chain joints in a manner similar to that found in journal bearings. These studies thusopened a region of chain application at high speeds that

31、had previously been thought to beimpractical. The direct result of this research has been the continual increase in chain horsepowerratings contained in Nonmandatory Appendix A. This Appendix also contains suggestions con-cerning the application and use of the chains covered by this Standard.This St

32、andard covers transmission roller chains, attachments, and sprockets. It is intended tofacilitate fulfillment of the needs of users, distributors, and manufacturers of chain sprocket driveson a sound economic basis and in a manner consistent with sound engineering and manufacturingpractices.Control

33、dimensions are given in this Standard to ensure interchangeability between chains,sprockets, and chain links as supplied by different manufacturers. Information for the guidanceof users in the application of these drives is also included.In addition to its customary usage as a power transmission med

34、ium, precision roller chain hasalso been adapted for use in conveying, elevating, indexing, and timing operations. Modificationsofstandardchainpartstoperformthesefunctionsareknownasattachments. Toensureinterchange-ability of the more commonly used attachments, standardization of certain principal di

35、mensionsvwas initiated in 1947. This information, formerly published as a separate standard, was incorpo-rated into this precision roller chain Standard.ASME/ANSI B29.1M-1986 was approved by the American National Standards Institute onJanuary 9, 1986.ASME B29.1M-1993 included two significant modific

36、ations. The first was a revision to thedefinition of minimum ultimate tensile strength that clarified the meaning and use of the term.The second was a revision to the listed values for maximum pin diameter and minimum holein bushing. These changes did not affect the interchangeability of the chains.

37、 The values werechanged to provide a rational basis for conversion between conventional (inch) and SI (metric)dimensions. With concurrent changes in the related ISO standards, a long-standing area of poten-tial discrepancies was eliminated. ASME B29.1M-1993 was approved by the American NationalStand

38、ards Institute on August 10, 1993.ASME B29.1M, Precision Power Transmission Roller Chains, Attachments, and Sprockets;ASMEB29.3M,Double-PitchPowerTransmissionRollerChainsandSprockets;andASMEB29.4M,Double-Pitch Conveyor Roller Chains, Attachments, and Sprockets, were incorporated into a newstandard t

39、hat was designated ASME B29.100.ASME B29.100-2002 included four significant modifications to B29.1: a revision to the minimumultimate tensile strength definition, the addition of minimum dynamic strength and conformancetest requirements for chains specified in this Standard, the addition of requirem

40、ents for rollerchain preloading, and a revision to the note in para. A1.8. The revision recognized the need forthe user to contact the roller chain manufacturer for specific derating factors for slip-fit connectinglinks, offset sections, and offset links. Similar changes were being made to Internati

41、onal StandardISO 606 to be in close agreement with that standard. ASME B29.100-2002 was approved as anAmerican National Standard on April 3, 2002.In 2008, the B29 Standards Committee agreed to remove the portion of the ASME B29.100standard formerly known as ASME B29.1 from the incorporated standard,

42、 reestablishingASME B29.1 as a separate standard.ASMEB29.1-2011includessignificantchangestothenonmandatoryappendices.NonmandatoryAppendix A was revised to use the new and improved power ratings for American NationalStandard (ANS) roller chains issued by the ACA in 2001. Nonmandatory Appendix B was a

43、ddedto show the equations on which the new ratings are based. Information on sprocket tooth cuttingtools was moved to the new Nonmandatory Appendix C. ASME B29.1-2011 was approved as anAmerican National Standard on July 15, 2011.Dimensional limitsin this Standardare presented inU.S. customary inchpo

44、undunits. Compan-ion tabulations are included to show conversions of the final limiting values into metric (SI) unitsin accordance with ASME Guide SI-1, ASME Orientation and Guide for Use of SI (Metric) Units.Most formulas and relationships are intentionally presented only in customary units to prec

45、ludeany ambiguity between them and the tabulated values.In most respects, ASME B29.1-2011 is harmonized with ISO 606. However, the B29 StandardsCommittee decided to maintain the separate B29.1 standard for the following two reasons:(a) ISO permits only SI units to be shown in International Standards

46、. The ANS chains andsprockets in this Standard were originally designed in U.S. customary inchpound units. Conver-sion to SI units and rounding before making critical calculations introduce deviations that canbe detrimental to roller chain functioning.(b) The ANS tooth form in ASME B29.1 fits within

47、 the ISO 606 sprocket tooth form envelope,but the tooth form in ASME B29.1 is described in much more detail. Deviations from the toothform as defined in this Standard, but within the ISO 606 envelope, can be detrimental to chainperformance.viASME B29 STANDARDS COMMITTEEChains, Attachments, and Sproc

48、ketsfor Power Transmission and Conveying(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSC. G. Springman, ChairE. Pawlicki, Vice ChairG. Osolsobe, SecretarySTANDARDS COMMITTEE PERSONNELA. J. Binford, IWIS Drive SystemsL. Carrier, Con

49、sultantD. W. Egbert, Hitachi Maxco, Ltd.R. V. Dickey, Alternate, Hitachi Maxco, Ltd.D. G. Fannin, Emerson Power TransmissionD. Lindsay, Alternate, Emerson Power TransmissionW. C. Hall, Ramsey Products Corp.M. Manickam, Webster IndustriesS. Rhoad, Alternate, Webster IndustriesC. A. Norwood, Martin Sprocket however, they shouldnot contain proprietary names or information.Requests that are not in this format will be rewritten in this format by the Committee priorto being answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsiderat

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