BS-6268-1982 ISO-6544-1981.pdf
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1、BRITISH STANDARD BS 6268:1982 ISO 6544:1981 Method of measurement for Reaction torque and torque impulse from hand-held pneumatic assembly tools for installing threaded fasteners ISO title: Hand-held pneumatic assembly tools for installing threaded fasteners Reaction torque and torque impulse measur
2、ements UDC 621.542:621.883:531.781 Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 05:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6268:1982 This British Standard, having been prepared under the direction of the Mechanical Engineering Standards Committee, was published under the author
3、ity of the Board of BSI and comes into effect on 30 July 1982 BSI 09-1999 The following BSI references relate to the work on this standard: Committee reference MEE/39 Draft for comment 80/78597 DC ISBN 0 580 12838 5 Cooperating organizations The Mechanical Engineering Standards Committee, under whos
4、e direction this British Standard was prepared, consists of representatives from the following: The organizations marked with an asterisk in the above list, together with the following, were directly represented on the Technical Committee entrusted with the preparation of this British Standard: Asso
5、ciated Offices Technical CommitteeDepartment of Trade (Marine Division) Association of Consulting EngineersDepartment of Transport Association of Hydraulic EquipmentElectricity Supply Industry in England and ManufacturersWales* Association of Mining, Electrical andEnergy Industries Council* Mechanic
6、al EngineersEngineering Equipment Users Association British Compressed Air Society*Federation of Manufacturers of Construction British Constructional Steelwork AssociationEquipment and Cranes British Electrical and Allied ManufacturersHealth and Safety Executive* Association (BEAMA)*Institution of G
7、as Engineers* British Gas Corporation*Institution of Mechanical Engineers* British Gear Manufacturers AssociationInstitution of Plant Engineers British Internal Combustion EngineInstitution of Production Engineers Manufacturers AssociationLloyds Register of Shipping British Pump Manufacturers Associ
8、ationLondon Transport Executive British Steel Corporation Machine Tool Industry Research Association British Steel IndustryMinistry of Defence* British Valve Manufacturers Association Ltd.National Coal Board* Chartered Institution of Building ServicesOil Companies Materials Association Crown Agents
9、for Oversea Governments andProcess Plant Association AdministrationsSociety of Motor Manufacturers and Traders Department of Industry (MechanicalLimited Engineering)Telecommunication Engineering and Department of Industry (National Engineering Manufacturing Association (TEMA) Laboratory)*Water-tube
10、Boilermakers Association Department of the Environment (PSA) Construction Plant-hire AssociationInstitution of Mining Engineers Imperial College of Science and TechnologySouth Wales Institute of Engineers Institute of Marine EngineersCoopted member Institution of Mining and Metallurgy Amendments iss
11、ued since publication Amd. No.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 05:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6268:1982 BSI 09-1999i Contents Page Cooperating organizationsInside front cover National forewordii 0Introduction1 1Scope and field of ap
12、plication1 2References1 3Definitions and symbols1 4Methods for measurement of reaction torque3 Figure 1 Torque-time curve5 Figure 2 High and low torque rate joints6 Table 1 Symbols and units2 Table 2 Subscripts3 Publications referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Tu
13、e Dec 05 05:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6268:1982 ii BSI 09-1999 National foreword This British Standard, which has been prepared under the direction of the Mechanical Engineering Standards Committee, is identical with ISO 6544:1981 “Hand-held pneumatic assembly tools for ins
14、talling threaded fasteners Reaction torque and torque impulse measurements” prepared by Technical Committee 118, Compressors, pneumatic tools and pneumatic machines, and published by the International Organization for Standardization (ISO). Terminology and conventions. The text of the International
15、Standard has been approved as suitable for publication as a British Standard without deviation. Some terminology and certain conventions are not identical with those used in British Standards; attention is especially drawn to the following. Wherever the words “International Standard” appear, referri
16、ng to this standard, they should be read as “British Standard”. The comma has been used throughout as a decimal marker. In British Standards it is current practice to use a full point on the baseline as the decimal marker. The Technical Committee has reviewed the provisions of ISO 2787, ISO 5393 and
17、 ISO 5941, to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application.
18、Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references International Standard Corresponding British Standard ISO 31BS 5775 Specification for quantities, units and symbols (Identical) ISO 1000:1981BS 5555:1981 Specification for SI units and reco
19、mmendations for the use of their multiples and of certain other units (Identical) ISO 3534:1977BS 5532:1978 Statistics Vocabulary and symbols (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 8, an inside back cover and a back cover
20、. This standard 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. Licensed Copy: sheffieldun sheffieldun, na, Tue Dec 05 05:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6268:1982 BSI 09-1999
21、1 0 Introduction This International Standard covers the test method for measurement of reaction torque and torque impulse from hand-held pneumatic assembly tools for installing threaded fasteners and specifies how such measurements should be evaluated. Such methods are important for the following pu
22、rposes a) enabling manufacturers to measure reaction torque impulse from assembly tools in accordance with a standardized method and to offer their products under correlated technical specifications; b) giving users standardized technical information on reaction torque and torque impulse from pneuma
23、tic tools for threaded fasteners. The values of reaction torque and torque impulse are measured on test joints with standardized torque rates that are in accordance with those specified in the performance test of ISO 5393. 1 Scope and field of application This International Standard specifies a test
24、 method for evaluation of reaction torque and torque impulse from hand-held pneumatic tools for installing threaded fasteners and gives instructions on how measured data should be evaluated and presented. This International Standard is directly applicable to assembly torque control tools. In the cas
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