BS 817:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for surface plates
Hardcopy , PDF
30-11-2008
English
31-03-1988
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Foreword
Committees responsible
Specification
1. Scope
2. Nomenclature and definitions
3. Classification
4. Materials
5. Stress relief of cast iron surface plates
6. Rigidity
7. General features
8. Finish
9. Accuracy
10. Cover and other protection
11. Marking
Appendices
A. The care and use of surface plates
B. Test for rigidity of surface plate
C. Assessment of bearing area of cast iron surface
plates
D. Calculation of permitted deviation from flatness
overall of the working surface
Table
1. Permitted deviations from flatness overall of the
working surface
2. Permitted variations of the working surface
Figures
1. Nomenclature
2. Variation gauge
3. Cast iron surface plate being subjected to
rigidity test
4. End-on-view of rigidity test apparatus
Rectangular and square plates of granite and cast iron, in sizes from 160 mm x 100 mm to 2500 mm x 1600 mm and from 12 in x 12 in to 96 in x 48 in, in four grades of accuracy. Specifies material, rigidity, finish, general features, accuracy, protection and marking.
| Committee |
TPR/1
|
| DevelopmentNote |
Supersedes 85/75050 DC and BS 817(1983) (10/2005)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| BS 1133-6(1966) : 1966 | PACKAGING CODE - TEMPORARY PROTECTION OF METAL SURFACES AGAINST CORROSION (DURING TRANSPORT AND STORAGE) |
| BS 3643-1:1981 | ISO metric screw threads Principles and basic data |
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