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BS EN ISO 14405-2:2019

BS EN ISO 14405-2:2019

$142.49

Geometrical product specifications (GPS). Dimensional tolerancing – Dimensions other than linear or angular sizes

Published By Publication Date Number of Pages
BSI 2019 30
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This document illustrates the ambiguity caused by the use of dimensional specifications to control properties other than linear or angular size and the benefit of using geometrical specifications instead.

Dimensional tolerancing can be indicated by Ā± tolerancing or geometrical specifications.

The ambiguity caused by using Ā± tolerances for dimensions other than linear or angular sizes (for individual tolerances and general tolerances according to, e.g. ISO 2768ā€‘1 and ISO 8062ā€‘3) is explained in Annex A.

NOTE 1 The figures, as shown in this document, merely illustrate the text and are not intended to reflect actual usage. The figures are consequently simplified to indicate only the relevant principles.

NOTE 2 For indications of dimensional specifications, see the following:

  • ISO 14405ā€‘1 for linear size;

  • ISO 14405ā€‘3 for angular size;

  • ISO 2538ā€‘1 and ISO 2538ā€‘2 for wedges;

  • ISO 3040 for cones.

NOTE 3 The rules for geometrical specifications are given in ISO 1101.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
4 Principles and rules for indication of dimensions and related tolerances
11 5 Units used in drawings for dimensions
12 6 Indication of tolerances for linear or angular dimensions
7 Illustrations of ambiguous Ā± tolerancing vs. unambiguous geometrical specifications
7.1 General
7.2 Linear distance between two integral features
14 7.3 Linear distance between an integral and a derived feature
7.4 Linear distance between two derived features
15 7.5 Radius dimension
16 7.6 Linear distance between non-planar integral features
17 7.7 Linear distance in two directions
18 8 Angular tolerancing
8.1 Examples of geometrical specifications applied to angular distance between two integral features
19 8.2 Angular distance between an integral feature and a derived feature
20 Annex A (informative) Explanations and examples of the ambiguity caused by using Ā± tolerances for dimensions other than linear size or angular size
28 Annex B (informative) Relation to the GPS matrix model
29 Bibliography

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BS EN ISO 14405-2:2019
$142.49