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BS ISO 8062-4:2023

BS ISO 8062-4:2023

$198.66

Geometrical product specifications (GPS). Dimensional and geometrical tolerances for moulded parts – Rules and general tolerances for castings using profile tolerancing in a general datum system

Published By Publication Date Number of Pages
BSI 2023 58
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PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
13 4 Graphical symbols
14 5 Product definition type indicator
5.1 Single and combined product definitions
5.2 Final moulded part product definitions
15 5.3 Intermediate machined moulded part product definitions
5.4 Final machined moulded part product definition
5.5 Identifier for machining by the supplier
16 6 Product definition indications
6.1 Surface texture symbols
6.2 Part condition identifiers
6.2.1 General
17 6.2.2 Surface texture
18 6.2.3 Linear sizes
6.2.4 Linear dimensions and individually indicated dimensional tolerances
6.2.5 Theoretically exact dimensions (TEDs)
6.2.6 Geometrical tolerances and datums
20 6.3 Required machining allowance (RMA)
6.3.1 General
6.3.2 General RMA
6.3.3 Individual RMA
6.4 Draft angles
22 7 Indication of general tolerances
7.1 General tolerances according to this document
7.2 General surface profile tolerance
23 8 Types of specifications
8.1 General
8.2 Specification of final moulded part condition
8.2.1 Overview of specification of final moulded part condition
8.2.2 Specification of final moulded part condition by the casting calculation method
24 8.2.3 Specification of final moulded part condition by the multiple tolerancing method
8.3 Specification of intermediate machined moulded part conditions
25 8.4 Specification of final machined moulded part condition
9 Tolerancing
9.1 General
9.2 Tolerancing of final moulded parts
9.2.1 Recommendations
26 9.2.2 Drafts
9.3 Tolerancing of intermediate machined moulded parts
9.4 Tolerancing of final machined moulded parts
9.4.1 General
9.4.2 Drafts
9.4.3 Multiple tolerancing method
27 10 Rules
10.1 Rule A: Application of general tolerances for castings
10.2 Rule B: General surface profile tolerances
28 10.3 Rule C: General datum system RST
10.4 Rule D: Tolerances overruling the general surface profile tolerances
29 10.5 Rule E: Additional tolerances
10.6 Rule F: Machined condition
10.7 Rule G: Required machining allowances (RMA)
10.8 Rule H: Draft angle (taper)
10.9 Rule I: Wall thickness
30 11 General tolerances
31 12 Required machining allowances (RMAs)
32 13 Draft angles
34 14 General product definition indication
36 Annex A (normative) Proportions and dimensions of graphical symbols
38 Annex B (informative) Proposed process for general tolerancing castings
39 Annex C (informative) Examples for the multiple tolerancing method
41 Annex D (informative) Drawing examples
47 Annex E (informative) Selection of general tolerances
48 Annex F (informative) Selection of required machining allowances (RMA)
49 Annex G (informative) Example of using general tolerances
52 Annex H (normative) Calculation of the nominal dimension of the moulded condition — casting calculation method
55 Annex I (informative) Relationship to the GPS matrix model
57 Bibliography

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BS ISO 8062-4:2023
$198.66