BS 6613-1985 Methods for specifying characteristics of resilient shaft couplings《弹性轴联接器特性规定方法》.pdf

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1、BRITISH STANDARD BS6613:1985 ISO4863:1984 Methods for Specifying characteristics of resilient shaft couplings ISO title: Resilient shaft couplings Information to be supplied by users and manufacturers UDC 621.825.22.039:534.282BS6613:1985 This BritishStandard, having been prepared under the directio

2、nof the Machinery andComponents Standards Committee, was published underthe authority of the BoardofBSI and comes intoeffecton 31July1985 BSI12-1999 The following BSI references relate to the work on this standard: Committee reference MCE/2 Draft for comment83/75000 DC ISBN 0 580 14510 7 Committees

3、responsible for this BritishStandard The preparation of this BritishStandard was entrusted by the Machinery and Components Standards Committee (MCE/-) to Technical Committee MCE/2, upon which the following bodies were represented: British Gear Manufacturers Association British Pump Manufacturers Ass

4、ociation Department of Trade and Industry, National Engineering Laboratory Institution of Engineers and Shipbuilders in Scotland Institution of Production Engineers Milling Cutter Association Ministry of Defence Amendments issued since publication Amd. No. Date of issue CommentsBS6613:1985 BSI 12-19

5、99 i Contents Page Committees responsible Inside front cover National foreword ii 0 Introduction 1 1 Scope and field of application 1 2 Reference 1 3 Definitions 1 4 Information to be supplied by users 1 5 Information to be supplied by manufacturers 2 Publications referred to Inside back coverBS6613

6、:1985 ii BSI 12-1999 National foreword This BritishStandard has been prepared under the direction of the Machinery and Components Standards Committee. It is identical with ISO4863:1984 “Resilient shaft couplings Information to be supplied by users and manufacturers”, which was prepared by ISO/TC108,

7、 Mechanical vibration and shock, of the International Organization for Standardization (ISO). ISO4863 was produced as a result of international discussion in which the UK took an active part. Terminology and conventions. The text of the International Standard has been approved as suitable for public

8、ation as a BritishStandard without deviation. Some terminology and certain conventions are not identical with those used in BritishStandards; attention is drawn especially to the following. The comma has been used as a decimal marker. In BritishStandards it is current practice to use a full point on

9、 the baseline as the decimal marker. Wherever the words “International Standard” appear, referring to this standard, they should be read as “BritishStandard”. Cross-reference. The Technical Committee has reviewed the provisions of ISO2041:1975, to which reference is made in the text, and has decided

10、 that they are acceptable for use in conjunction with this standard. A related BritishStandard to ISO2041 is BS3015:1976 “Glossary of terms relating to mechanical vibration and shock”. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standar

11、ds are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 and2, an inside back cover and a back cover. This standa

12、rd has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS6613:1985 BSI 12-1999 1 0 Introduction Resilient shaft couplings are generally introduced into transmission systems to provide a degree of prot

13、ection from shock or to tune out vibrations. Some couplings can also accommodate misalignment. However, misalignment is considered in this International Standard only in so far as it affects operation of the couplings. Introduction of a resilient shaft coupling into a transmission system will affect

14、 its torsional, axial, rotational and alignment characteristics. It is recommended, therefore, that the choice of a coupling for complex transmission systems be based upon a comprehensive analysis of the complete system. 1 Scope and field of application This International Standard specifies the info

15、rmation to be supplied by users and manufacturers of resilient shaft couplings in order to facilitate communication and understanding between users and manufacturers. It is strongly recommended that its provisions be adhered to in all cases, unless there are good reasons for departing from them. Thi

16、s International Standard does not apply to a) rigid flange or sleeve couplings; b) torsionally stiff couplings for alignment purposes, such as toothed or diaphragm couplings, etc.; c) all types of slip couplings; nor does it give dimensional requirements for either shafts or couplings. 2 Reference I

17、SO2041, Vibration and shock Vocabulary. 3 Definitions For the purpose of this International Standard, the definitions given in ISO2041 apply. 4 Information to be supplied by users To facilitate complete understanding of the system, users shall supply the following information as applicable. 4.1 Desc

18、ription of machines and plant, including drawing(s), as appropriate: a) driving machine(s); b) driven machine(s); c) any associated equipment; d) gear ratios in the system; e) polar moments of inertia of rotating components; f) mass-elastic data (mathematical model) of the complete system, where app

19、ropriate; g) overall dimensional limitations; h) details of limitation of space for assembling or dismantling; j) attitude of shafts to be connected (horizontal,vertical, inclined); k) balancing requirements; m) nominal axial distance between shafts and/or flanges; n) details of shafts and/or flange

20、s to be connected, as applicable, including limits; p) limitations of overhung load on each shaft; q) distance and type of adjacent support bearings; r) limitation of axial load on the driving and driven machines. 4.2 Speed and power to be transmitted, including curves showing relationship between s

21、peed and torque, where appropriate: a) normal intended; b) maximum available; c) vibratory torque, expressed as amplitudes, with details of frequency range, and whether transient or continuous; d) acceleration and deceleration, including transient loads during starting and stopping. 4.3 Nature of du

22、ty: a) duty cycle and required longevity (continuous, intermittent, fluctuating, reversing, etc.); b) times available for maintenance. 4.4 Environmental data, during transportation, storage and use: a) shock and vibration; b) range of ambient temperatures and humidities; c) presence of oils, solvent

23、s, corrosive liquids or vapours, sand or dust, salt water, radiation, etc. 4.5 Alignment data: expected misalignments and relative movements between coupled shafts in the following deflection modes: a) angular (conical); b) parallel; c) axial. 4.5.1 Normal and maximum misalignment permissible under

24、service conditions. 4.5.2 Normal and maximum misalignment permissible when running up to speed and stopping.BS6613:1985 2 BSI 12-1999 4.5.3 Effects of temperature changes. 4.6 Required coupling characteristics: a) torsional stiffness; b) axial stiffness; c) rotational critical speed requirements for

25、 double-jointed couplings. NOTE 1Axial (longitudinal) thrust can affect the torsional rigidity of certain types of couplings. NOTE 2The mass of unsupported, partly supported or overhung couplings can affect transverse vibration characteristics. NOTE 3In some coupling applications, it may be desirabl

26、e to carry out a comprehensive vibration analysis of the whole transmission system. 4.7 Special features, for example, emergency drive, limitation on torsional deflection, etc. 5 Information to be supplied by manufacturers To ensure proper use of couplings, manufacturers shall supply the following i

27、nformation, as applicable and when available. 5.1 Principle of operation: description and typical applications of each type of coupling. 5.2 Special features, for example: a) torque or displacement limiting devices; b) transmission of thrust; c) clutching or disengaging facility; d) emergency drive.

28、 5.3 Performance data: a) continuous and maximum permissible speed; b) nominal torque and maximum torque; c) torsion angle under nominal torque; d) torsional stiffness; e) axial stiffness; f) radial stiffness; g) conical stiffness. NOTEIt is recommended that graphs/tables be included showing couplin

29、g stiffness as a function of mean torque, temperature or vibration frequency, as appropriate. 5.3.1 Permissible continuous and maximum misalignments in the following deflection modes, including criteria or inter-dependence: a) angular (conical); b) parallel; c) axial. 5.3.2 Permissible continuous an

30、d maximum vibratory torque. 5.3.3 Damping data. 5.4 Recommended criteria for the selection of coupling types and sizes. 5.5 Drawing or catalogue specification: an outline drawing showing the following principal features: a) overall dimensions; b) attachment details; c) material of the components for

31、 special applications; d) mass and polar moment of inertia of the input and output components, including springs, rubber components, working fluid, etc., as applicable. 5.6 Environmental data. 5.6.1 The upper and lower working temperature limits. 5.6.2 The ability of the coupling to perform satisfac

32、torily under adverse conditions, such as salt spray, oils and fuels, corrosive vapours, other contamination, etc. 5.6.3 Transportation requirements. 5.6.4 Recommended storage conditions and shelf life of degradable components. 5.6.5 Fire resistance and toxic properties. 5.7 Other information. 5.7.1

33、Method of identification of types of couplings and components supplied as spares, where applicable. 5.7.2 Intended direction of rotation and unambiguous marking of the “driving” and “driven” elements. 5.7.3 Balancing data, if any. 5.7.4 Recommended method of alignment. 5.7.5 Installation and removal

34、 instructions. 5.7.6 Details of maintenance, periodic inspection and servicing requirements, including lubrication. 5.7.7 References to relevant test methods.BS6613:1985 BSI 12-1999 Publications referred to See national foreword.BS6613:1985 ISO4863:1984 BSI 389 Chiswick High Road London W4 4AL BSIBr

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