SANS 1112-2008 Open-end box and combination wrenches《呆扳手、梅花扳手和两用扳手》.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 978-0-626-21542-2 SANS 1112:2008Edition 1.1Any reference to SABS 1112 is deemedto be a reference to this standard(Government Notice No. 1373 of 8 No
4、vember 2002)SOUTH AFRICAN NATIONAL STANDARD Open-end, box, and combination wrenches 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 1112:2008 Ed
5、ition 1.1 Table of changes 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 the referenced standards. Acknowledgement Standards South African wishes to acknowledge the valuable assistance
6、derived from publications of the International organization for Standardization. Foreword This South African standard was approved by National Committee StanSA TC 5120.07, Handheld non-electrical tools for general purpose use, in accordance with procedures of Standards South Africa, in compliance wi
7、th annex 3 of the WTO/TBT agreement. This document was published in June 2008. This document supersedes SABS 1112:1976 (first edition). A vertical line in the margin shows where the text has been technically modified by amendment No. 1. SANS 1112:2008 Edition 1.1 1 Contents Page Acknowledgement Fore
8、word 1 Scope 3 2 Definitions . 3 3 Requirements 4 4 Packing and marking . 5 5 Sampling and compliance with the specification 6 6 Inspection and methods of test 6 6.1 Inspection . 6 6.2 Hardness test . 6 6.3 Torque test . 7 6.4 Tests on electroplated coatings 7 Appendix A Applicable standards . 13 Ap
9、pendix B Notes to purchasers . 14 Appendix C . 14 SANS 1112:2008 Edition 1.1 2 This page is intentionally left blank SANS 1112:2008 Edition 1.1 3 Open-end, box, and combination wrenches 1 Scope 1.1 This specification covers the requirements for the material, dimensions, performance, and finish of th
10、ree types of wrenches that are commonly referred to as spanners. NOTE a) The titles of standards referred to by number in the specification are given in appendix A. b) Requirements that must be specified by the purchaser are listed (and a requirement that may have to be agreed upon is noted) in appe
11、ndix B. c) Wrenches that will fit metric hexagon bolts and nuts are listed in appendix C. d) The nomenclature used in the specification conforms to that given in ISO recommendation R1703. e) The figures are merely illustrative and are not intended to preclude wrenches that, while complying with the
12、relevant requirements of the specification, differ in appearance from those illustrated. 2 Definitions 2.1 For the purposes of this specification the following definitions shall apply: acceptable acceptable to the authority administering this standard, or to the parties concluding the purchase contr
13、act, as relevant Amdt 1 defective a wrench that fails in one or more respects to comply with the relevant requirements of the specification lot not less than 10 and not more than 250 wrenches of the same type and nominal size, from one manufacturer, submitted at any one time for inspection and testi
14、ng nominal size (of a wrench) the nominal size or the combinations of the nominal sizes (as relevant) of the wrench openings size (of a wrench opening) the distance in millimetres across flats or between faces of the opening, as relevant SANS 1112:2008 Edition 1.1 4 3 Requirements 3.1 Type and desig
15、n 3.1.1 Type A wrench shall be of one of the following types, as specified by the purchaser: a) Type 1: Double-head, open-end wrench (see table 2); b) Type 2: Double-end, deep-offset box wrench (see table 3); c) Type 3: Deep-offset combination wrench (see table 4). NOTE In the trade a box wrench is
16、often referred to as a ring spanner. 3.1.2 Design The design of a wrench shall be generally similar to that shown in table 2, 3, or 4, as relevant. 3.2 Material A wrench shall have been forged from an alloy steel having chemical and physical properties that will enable it to comply with the relevant
17、 requirements of the specification. 3.3 Hardness The hardness of a wrench, determined in accordance with 6.2, shall be as follows: a) Type 1 wrenches: 39 HRC, min. b) Types 2 and 3 wrenches the nominal size of which includes no nominal dimension exceeding 32 mm: 39 HRC, min. c) Types 2 and 3 wrenche
18、s the nominal size of which includes at least one nominal dimension exceeding 32 mm: 35 HRC, min. 3.4 Nominal size The nominal size of a wrench shall be one of those given in column 1 of table 2, 3, or 4 (as relevant), as specified by the purchaser. 3.5 Dimensions The dimensions (other than of the o
19、penings) of a wrench shall conform to the values given in table 2, 3, or 4 (as relevant), appropriate to the nominal size of the wrench and, in the case of a type 3 wrench of nominal size 13 mm, 14 mm, 15 mm, 17 mm, 19 mm, or 22 mm, appropriate to the series (i.e. short or long) specified by the pur
20、chaser. The size of a wrench opening shall be within the appropriate limits given in table 5. SANS 1112:2008 Edition 1.1 5 3.6 Workmanship The workmanship shall be in accordance with good manufacturing practice. A wrench shall be well forged and forge flash shall have been completely removed by grin
21、ding or other means. The engaging surfaces of the open end(s) of a wrench shall be finished in an acceptable manner, and the serrations of the box end(s) of a wrench shall be sharp and well-defined. 3.7 Strength When tested in accordance with 6.3, a wrench shall show no sign of permanent deformation
22、 or damage that will adversely affect its usability. 3.8 Finish Wrenches shall have an electroplated coating of nickel and chromium, that complies with the requirements for a coating for service condition No. 2 of SANS 135. Amdt 1 NOTE Compliance with the above requires (inter alia) that when a coat
23、ing is viewed from reading distance it shall be free from plating defects such as pits, blisters, and other defects that detract from its appearance. 4 Packing and marking 4.1 Packing When so required by the purchaser, wrenches shall be packed in sets, the composition of which shall be as agreed bet
24、ween the purchaser and the supplier. Unless otherwise acceptable, only wrenches (or sets of wrenches) of the same type(s) and nominal size(s) shall be packed together in a bulk container. 4.2 Marking 4.2.1 Wrenches Each wrench shall be legibly and permanently marked with the following information: a
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