SANS 1120-2008 Pliers and nippers《钳子和镊子》.pdf
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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21485-2 SANS 1120:2008Edition 2.1Any reference to SABS 1120 is deemedto be a reference to this standard(Government Notice No. 1373 of 8 No
4、vember 2002)SOUTH AFRICAN NATIONAL STANDARD Pliers and nippers Published by Standards South Africa 1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 1120:2008 Edition 2.1 Table of ch
5、anges Change No. Date Scope Amdt 1 2008 Amended to change the designation of SABS standards to SANS standards, to update the definition of “acceptable“, and to update referenced standards. Foreword This South African standard was approved by National Committee StanSA TC 5120.07, Handheld non-electri
6、cal tools for general purpose use, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This document was published in July 2008. This document supersedes SABS 1120:1990 (edition 2). A vertical line in the margin shows where the text has been
7、technically modified by amendment No. 1. SANS 1120:2008 Edition 2.1 1 Contents Page Foreword 1 Scope 3 2 Definitions . 3 3 General requirements 4 4 Specific requirements 7 5 Packing and marking . 9 6 Inspection and methods of test 10 6.1 Inspection . 10 6.2 Insulation test . 10 6.3 Handle strength t
8、est 10 6.4 Wire cutting test 11 6.5 Torsion test . 12 Figures 1-16 12-27 Appendix A Applicable standards . 28 Appendix B Notes to purchasers . 28 Appendix C Quality evaluation of pliers and nippers . 29 SANS 1120:2008 Edition 2.1 2 This page is intentionally left blank SANS 1120:2008 Edition 2.1 3 P
9、liers and nippers 1 Scope This specification covers requirements for the material, dimensions, construction and performance of 12 types of pliers and 3 types of nippers. NOTE a) The standards referred to in the specification are listed in appendix A. b) Requirements that must be specified by the pur
10、chaser and a requirement that must be agreed upon between the supplier and the purchaser are listed in appendix B. c) All figures are merely illustrative and are not intended to preclude pliers and nippers that, while complying with the relevant requirements of the specification, differ in appearanc
11、e from those illustrated. d) Plastics-coated handles on tools are only for gripping comfort and are not intended to give any degree of protection against electric shock. All normal safeguards should therefore always be observed when such tools are used to do work on electrical apparatus. e) Informat
12、ion regarding verification of the quality of pliers and nippers is given in appendix C. 2 Definitions 2.1 General For the purposes of this specification the following definitions shall apply: size the nominal overall length of a tool tool a pair of pliers or a pair of nippers 2.2 Nomenclature For th
13、e purposes of this specification the terms used for pliers and nippers (where applicable) are given in figure 1. SANS 1120:2008 Edition 2.1 4 3 General requirements 3.1 Type A tool shall be of one of the following types as required: Type 1: Round-nose pliers (see figure 2) Type 2: Flat short-nose pl
14、iers (see figure 3) Type 3: Flat long-nose pliers (see figure 4) Type 4: Snipe-nose pliers (see figure 5) Type 5: Snipe-nose pliers with side cutter (see figure 6) Type 6: Duck-bill pliers (see figure 7) Type 7: Fencing pliers (see figure 8) Type 8: Linemans pliers (see figure 9) Type 9: Combination
15、 pliers (see figure 10) Type 10: Electricians pliers (see figure 11) Type 11: Gas pliers (see figure 12) Type 12: Parallel-action flat-nose pliers with cutter (see figure 13) Type 13: Diagonal-cutting nippers (see figure 14) Type 14: Short-nose diagonal-cutting nippers (see figure 15) Type 15: End-c
16、utting nippers (see figure 16) 3.2 Material A tool (other than the handles of a type 12 plier) shall be forged from an alloy steel or a carbon steel. 3.3 Size and dimensions The size of a tool shall be one of those given in column 1 of the table to the relevant of figures 1-2 and as required. The ac
17、tual length of tools that have uncoated handles shall not differ from the nominal length by more than the appropriate of the following values: a) Tools of nominal length 125 mm: 6,0 mm b) Tools of nominal length 140 mm: 7,0 mm c) Tools of nominal length 160 mm: 8,0 mm d) Tools of nominal length 180
18、mm: 9,0 mm e) Tools of nominal length 200 mm: 10,0 mm SANS 1120:2008 Edition 2.1 5 f) Tools of nominal length 250 mm: 12,5 mm g) Tools of nominal length 300 mm: 15,0 mm The other dimensions shall conform to the values given in the relevant of figures 2-16. 3.4 Handles Handles shall be shaped to affo
19、rd a comfortable grip and to prevent accidental pinching of the hand. They shall be of the bowed or flared type, as required, and shall be free from burrs and sharp edges. The ends of handles shall be suitably rounded. 3.5 Joints Joints shall be of the lay-on, single, box or parallel action type, as
20、 required (see figures 2-16), and shall function smoothly and without play in any position of the jaws. Single joints shall be machined all over. 3.6 Jaws Serrations of the pipe grip, when relevant, and the gripping surfaces of jaws shall have sharp projections and shall be of the transverse or cros
21、swise type. 3.7 Insulation Insulation used on the handles of tools, when required, shall be PVC or a material of at least equal dielectric properties. The insulation should preferably be shouldered at the head end. When a tool is tested in accordance with 6.2, there shall be no breakdown of the insu
22、lation. The test voltage shall not be indicated on the insulation. CAUTION: The fact that handles of tools are insulated is no guarantee of immunity from electric shock. Although these tools may initially have withstood high voltages under test, subsequent damage due to dropping or the presence of p
23、erspiration may result in breakdown of the insulation. Complete reliance should therefore not be placed on tools having insulated handles. 3.8 Strength of handles When the handles of a tool are tested in accordance with 6.3, the permanent set shall not exceed the relevant value given in column 4 of
24、table 1. 3.9 Cutting ability When a tool of type 5, 7, 8, 9, 10, 12, 13, 14 or 15 is tested in accordance with 6.4, it shall cut the appropriate test wire cleanly under an applied force that does not exceed the value given in column 6 of table 1, appropriate to the type and size of the tool. After t
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- SANS11202008PLIERSANDNIPPERS 钳子 镊子 PDF
