ISO 1101:2012
Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out
ISO 1101:2012 contains basic information and gives requirements for the geometrical tolerancing of workpieces. It represents the initial basis and defines the fundamentals for geometrical tolerancing.
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1 Scope
2 Normative references
3 Terms and definitions
4 Basic concepts
5 Symbols
6 Tolerance frame
7 Toleranced features
8 Tolerance zones
9 Datums
10 Supplementary indications
10.1 Indications of a compound or restricted toleranced feature
10.1.1 General
10.1.2 All around — Contiguous, closed toleranced feature
10.1.3 Restricted area toleranced feature
10.1.4 Contiguous, non-closed toleranced feature
10.2 Indication of an unequally disposed tolerance zone
10.3 Indications for screw threads, multiple splines and gears
11 Theoretically exact dimensions (TED)
12 Restrictive specifications
13 Projected tolerance zone
14 Free state condition
15 Interrelationship of geometrical tolerances
16 Intersection planes
16.1 Role of intersection planes
16.2 Features to be used for establishing a family of intersection planes
16.3 Graphical language
16.4 Rules
17 Orientation planes
17.1 Role of orientation planes
17.2 Features to be used for establishing orientation planes
17.3 Graphical language
17.4 Rules
18 Definitions of geometrical tolerances
18.1 Straigtness tolerance (see ISO 12780-1 and ISO 12780-2)
18.2 Flatness tolerance (see ISO 12781-1 and ISO 12781-2)
18.3 Roundness tolerance (see ISO 12781-1 and ISO 12781-2)
18.4 Cylindricity tolerance (see ISO 12781-1 and ISO 12781-2)
18.5 Profile tolerance of a line not related to a datum (see ISO 1660)
18.6 Profile tolerance of a line related to a datum system (see ISO 1660)
18.7 Profile tolerance of a surface not related to a datum (see ISO 1660)
18.8 Profile tolerance of a surface related to a datum (see ISO 1660)
18.9 Parallelism tolerance
18.9.1 Parallelism tolerance of a line related to a datum system
18.9.2 Parallelism tolerance of a line related to a datum line
18.9.3 Parallelism tolerance of a line related to a datum plane
18.9.4 Parallelism tolerance of a surface related to a datum plane
18.9.5 Parallelism tolerance of a surface related to a datum line
18.9.6 Parallelism tolerance of a surface related to a datum plane
18.10 Perpendicularity tolerance
18.10.1 Perpendicularity tolerance of a line related to a datum line
18.10.2 Perpendicularity tolerance of a line related to a datum system
18.10.3 Perpendicularity tolerance of a line related to a datum plane
18.10.4 Perpendicularity tolerance of a surface related to a datum line
18.10.5 Perpendicularity tolerance of a surface related to a datum plane
18.11 Angularity tolerance
18.11.1 Angularity tolerance of a line related to a datum line
18.11.2 Angularity tolerance of a line related to a datum plane
18.11.3 Angularity tolerance of a surface related to a datum line
18.11.4 Angularity tolerance of a surface related to a datum plane
18.12 Position tolerance (see ISO 5458)
18.12.1 Position tolerance of a point
18.12.2 Position tolerance of a line
18.12.3 Position tolerance of a flat surface or a median plane
18.13 Concentricity and coaxiality tolerance
18.13.1 Concentricity tolerance of a point
18.13.2 Coaxiality tolerance of an axis
18.14 Symmetry tolerance
18.14.1 Symmetry tolerance of a median plane
18.15 Circular run-out tolerance
18.15.1 Circular run-out tolerance — Radial
18.15.2 Circular run-out tolerance — Axial
18.15.3 Circular run-out tolerance in any direction
18.15.4 Circular run-out tolerance in a specified direction
18.16 Total run-out tolerance
18.16.1 Total radial run-out tolerance
18.16.2 Total axial run-out tolerance
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1 Scope
2 Normative references
3 Terms and definitions
4 Basic concepts
5 Symbols
6 Tolerance frame
7 Toleranced features
8 Tolerance zones
9 Datums
10 Supplementary indications
10.1 Indications of a compound or restricted toleranced feature
10.1.1 General
10.1.2 All around — Contiguous, closed toleranced feature
10.1.3 Restricted area toleranced feature
10.1.4 Contiguous, non-closed toleranced feature
10.2 Indication of an unequally disposed tolerance zone
10.3 Indications for screw threads, multiple splines and gears
11 Theoretically exact dimensions (TED)
12 Restrictive specifications
13 Projected tolerance zone
14 Free state condition
15 Interrelationship of geometrical tolerances
16 Intersection planes
16.1 Role of intersection planes
16.2 Features to be used for establishing a family of intersection planes
16.3 Graphical language
16.4 Rules
17 Orientation planes
17.1 Role of orientation planes
17.2 Features to be used for establishing orientation planes
17.3 Graphical language
17.4 Rules
18 Definitions of geometrical tolerances
18.1 Straigtness tolerance (see ISO 12780-1 and ISO 12780-2)
18.2 Flatness tolerance (see ISO 12781-1 and ISO 12781-2)
18.3 Roundness tolerance (see ISO 12781-1 and ISO 12781-2)
18.4 Cylindricity tolerance (see ISO 12781-1 and ISO 12781-2)
18.5 Profile tolerance of a line not related to a datum (see ISO 1660)
18.6 Profile tolerance of a line related to a datum system (see ISO 1660)
18.7 Profile tolerance of a surface not related to a datum (see ISO 1660)
18.8 Profile tolerance of a surface related to a datum (see ISO 1660)
18.9 Parallelism tolerance
18.9.1 Parallelism tolerance of a line related to a datum system
18.9.2 Parallelism tolerance of a line related to a datum line
18.9.3 Parallelism tolerance of a line related to a datum plane
18.9.4 Parallelism tolerance of a surface related to a datum plane
18.9.5 Parallelism tolerance of a surface related to a datum line
18.9.6 Parallelism tolerance of a surface related to a datum plane
18.10 Perpendicularity tolerance
18.10.1 Perpendicularity tolerance of a line related to a datum line
18.10.2 Perpendicularity tolerance of a line related to a datum system
18.10.3 Perpendicularity tolerance of a line related to a datum plane
18.10.4 Perpendicularity tolerance of a surface related to a datum line
18.10.5 Perpendicularity tolerance of a surface related to a datum plane
18.11 Angularity tolerance
18.11.1 Angularity tolerance of a line related to a datum line
18.11.2 Angularity tolerance of a line related to a datum plane
18.11.3 Angularity tolerance of a surface related to a datum line
18.11.4 Angularity tolerance of a surface related to a datum plane
18.12 Position tolerance (see ISO 5458)
18.12.1 Position tolerance of a point
18.12.2 Position tolerance of a line
18.12.3 Position tolerance of a flat surface or a median plane
18.13 Concentricity and coaxiality tolerance
18.13.1 Concentricity tolerance of a point
18.13.2 Coaxiality tolerance of an axis
18.14 Symmetry tolerance
18.14.1 Symmetry tolerance of a median plane
18.15 Circular run-out tolerance
18.15.1 Circular run-out tolerance — Radial
18.15.2 Circular run-out tolerance — Axial
18.15.3 Circular run-out tolerance in any direction
18.15.4 Circular run-out tolerance in a specified direction
18.16 Total run-out tolerance
18.16.1 Total radial run-out tolerance
18.16.2 Total axial run-out tolerance