BS 4311-2:2009
Current
The latest, up-to-date edition.
Gauge blocks manufactured to imperial specification Accessories
Hardcopy , PDF
English
30-06-2009
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Foreword
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Material for accessories, other than the guide
plates of holders
5 Type A measuring jaws
6 Type B measuring jaws
7 Scriber point and centre point
8 Base
9 Holders
10 Marking
11 Case
12 Protection against adverse climatic conditions
Annexes
Annex A (informative) - Notes on the use of gauge block
accessories
Annex B (informative) - Accessories
Bibliography
Describes requirements for accessories intended for use with metric and inch gauge blocks conform ing to BS EN ISO 3650 and BS 4311-1:2007+C1:2009, and includes two types of measuring jaw (Type A and Type B), scriber points and centre points, bases and holders.
| Committee |
TPR/1
|
| DevelopmentNote |
Supersedes BS 4311-2(1994) & 09/30193117 DC. (06/2009)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies requirements for accessories intended for use with metric and inch gauge blocks conforming to BSENISO3650 and BS4311‑1:2007+C1:2009, and includes two types of measuring jaw (Type A and Type B), scriber points and centre points, bases and holders. Requirements for general dimensions and the form, material, surface finish and accuracy of various features are specified.
Examples of typical assemblies of accessories are shown in Figure1 and notes on their use are given in AnnexA.
AnnexB gives details of other items which may be used with gauge blocks and accessories.
NOTE Type B jaws, scriber points, centre points and holders specified for metric gauge blocks are fully compatible with gauge blocks in inch units.
| BS EN ISO 6507-1:2005 | Metallic materials. Vickers hardness test Test method |
| BS 852:1939 | Specification for toolmakers\' straightedges |
| BS 4311-1:2007 | Gauge blocks manufactured to imperial specification Specification and validation |
| BS EN ISO 3650:1999 | Geometrical product specifications (GPS). Length standards. Gauge blocks |
| BS EN ISO 18265:2013 | Metallic materials. Conversion of hardness values |
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