bs 8888-2008 技術(shù)產(chǎn)品規(guī)范.規(guī)范

1、raising standards worldwide ?NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsTechnical product specification – SpecificationBS 8888:2008Licensed Copy: Mr. NUI User, I R I S Cons

2、ortium, 06/10/2009 14:42, Uncontrolled Copy, (c) BSIBritiSh Standard© BSI 2008 ? iBS 8888:2008ContentsForeword iii 1 Scope 1 2 references 2 3 terms and definitions 2 4 Global standards underpinning BS 8888 3 5

3、types of documentation 5 6 Scales 7 7 Lines, arrows and terminators 7 8 Lettering 8 9 Projections 9 10 Views 9 11 Sections 10 12 Symbols and abbreviations 10 13 representation of features 12 14 representation of

4、 components 13 15 dimensioning and tolerancing 14 16 Geometrical tolerancing 20 17 Surface texture indication 21 18 Graphical representation and annotation of 3-d data (3-d modelling output) 22 19 Verification 23 2

5、0 Security 23 21 Storage and retrieval 24 22 Marking 24 23 Protection notices 26List of annexes annex a (normative) normative references 27 annex B (informative) informative references 48 annex C (informative) Expres

6、sion of the concept 50 annex d (informative) Cast, forged and moulded parts 51 annex E (normative) document security – Enhanced 59 annex F (informative) Key differences between BS 8888 geometrical tolerancing and aSME Y

7、14.5 geometric dimensioning and tolerancing (Gd&t) 60 annex G (informative) Forthcoming amendments to BS iSO 1101:2004 64 annex h (informative) technical product specification – Geometrical product specification (

8、GPS) 75List of figures Figure 1 – Metric reference graduations 6 Figure 2 – auxiliary view showing true shape of inclined surface 10 Figure 3 – Permissible interpretations when no form control is given on the drawing 16

9、 Figure 4 – dimensioning of keyways 19 Figure 5 – Examples of general tolerance notes 20 Figure 6 – Method of indicating that the independency system of tolerancing had been used 25 Figure 7 – Method of indicating that

10、the dependency system of tolerancing had been used 25 Figure d.1 – reproduced Figure E.1 from iSO 8062-3, showing the tPS for the example cast part 54 Figure d.2 – reproduced Figure E.2 from iSO 8062-3, showing the e