BS-3087-12-1991 ISO-9242-1988.pdf
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1、BRITISH STANDARD BS 3087-12: 1991 ISO 9242:1988 Pliers and nippers Part 12: Specification for dimensions and test values of construction workers pincers Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 05:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 3087-12:1991 This British Standard, h
2、aving been prepared under the direction of the Machine, Engineers and Hand Tools Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 28 February 1991 BSI 10-1999 The following BSI references relate to the work on this standard: Committee refe
3、rence MTE/15 Draft for comment 87/72295 DC ISBN 0 580 19273 3 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Machine, Engineers and Hand Tools Standards Policy Committee (MTE/-) to Technical Committee MTE/15, upon which the following bo
4、dies were represented: British Coal Corporation British Telecommunications plc Consumer Policy Committee of BSI Electricity Supply Industry in United Kingdom Federation of British Engineers Tool Manufacturers Federation of British Hand Tool Manufacturers Handle Manufacturers Association Institute of
5、 Carpenters Institute of Trading Standards Administration Institution of Production Engineers Ministry of Defence Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 05:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 3087-12:1991 BSI 10
6、-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Dimensions and test values1 Figure 11 Figure 23 Table 11 Table 22 Table 33 Table 44 Publication(s) referred toInside back cover Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 05:
7、22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 3087-12:1991 ii BSI 10-1999 National foreword This Part of BS 3087 has been prepared under the direction of the Machine, Engineers and Hand Tools Standards Policy Committee. It is identical with ISO 9242:1988 “Pliers and nippers Construction worker
8、s pincers Dimensions and test values”, published by the International Organization for Standardization (ISO). As work continues in ISO the number of tools covered by this standard will increase. BS 3087-10 covers those tools in BS 3087:1959 (withdrawn) that were not standardized by ISO because their
9、 style and application were exclusive to the UK. The Technical Committee has reviewed the provisions of ISO 5744, to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A related British Standard to ISO 5744:1988 is BS 3087-4:1988.
10、 It is recommended that pliers, pincers and nippers should be legibly and indelibly marked with a name, trademark or the manufacturing code that will allow traceability. BS 3087-121) should be marked either on the tool or on its associated packaging. A British Standard does not purport to include al
11、l the necessary provisions of a contract. Users of British Standards 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, pages i and
12、 ii, pages 1 to 4, an inside back cover and a back cover. 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. Cross-references International StandardCorresponding British Standard BS 30
13、87 Pliers and nippers ISO 5743:1982Part 3:1986 Specification for general requirements (Identical) 1) Marking BS 3087-12:1991 on or in relation to a product represents a manufacturers declaration of conformity, i.e. a claim by or on behalf of the manufacturer that the product meets the requirements o
14、f the standard. The accuracy of the claim is therefore solely the responsibility of the person making the claim. Such a declaration is not to be confused with third party certification of conformity, which may also be desirable. Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 05:22:25 GMT+00:
15、00 2006, Uncontrolled Copy, (c) BSI BS 3087-12:1991 BSI 10-19991 1 Scope This International Standard specifies the principal dimensions of construction workers pincers and the test values in order to verify their aptitude to function in conformity with ISO 5744. The general technical requirements ar
16、e given in ISO 5743. The construction workers pincers illustrated in this International Standard are only examples and are not intended to affect the manufacturers design. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions o
17、f this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards list
18、ed below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 5743:1982, Pliers and nippers General technical requirements. ISO 5744:1988, Pliers and nippers Methods of test. 3 Dimensions and test values 3.1 Construction workers pincers Style A Table 1 Figure 1
19、Dimensions in millimetres LL3 max. T1 min. w3 max. G min. 200 10 224 10 250 10 280 10 18 20 22 25 16 18 20 22 32 36 40 45 14 16 18 20 Licensed Copy: sheffieldun sheffieldun, na, Wed Nov 29 05:22:25 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 3087-12:1991 2 BSI 10-1999 Construction workers pincers,
20、 style A, shall be tested in accordance with ISO 5744. After the load test, the permanent set s shall not exceed the value given in Table 2. If the distance L1 is not suitable for the load test, the following formula may be applied: The cutting force F1 and the diameter D of the test wire shall not
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