ASME Y14.5 : 2009

Foreword
Committee Roster
Correspondence With the Y14 Committee
Section 1 - Scope, Definitions, and General Dimensioning
1.1 Scope
1.2 References
1.3 Definitions
1.4 Fundamental Rules
1.5 Units of Measure
1.6 Types of Dimensioning
1.7 Application of Dimensions
1.8 Dimensioning Features
1.9 Location of Features
Section 2 - General Tolerancing and Related Principles
2.1 General
2.2 Direct Tolerancing Methods
2.3 Tolerance Expression
2.4 Interpretation of Limits
2.5 Single Limits
2.6 Tolerance Accumulation
2.7 Limits of Size
2.8 Applicability of Modifiers on Geometric Tolerance Values
     and Datum Feature References
2.9 Screw Threads
2.10 Gears and Splines
2.11 Boundary Conditions
2.12 Angular Surfaces
2.13 Conical Tapers
2.14 Flat Tapers
2.15 Radius
2.16 Tangent Plane
2.17 Statistical Tolerancing
Section 3 - Symbology
3.1 General
3.2 Use of Notes to Supplement Symbols
3.3 Symbol Construction
3.4 Feature Control Frame Symbols
3.5 Feature Control Frame Placement
3.6 Definition of the Tolerance Zone
3.7 Tabulated Tolerances
Section 4 - Datum Reference Frames
4.1 General
4.2 Degrees of Freedom
4.3 Degrees of Freedom Constrained by Primary Datum Features
     Regardless of Material Boundary
4.4 Constraining Degrees of Freedom of a Part
4.5 Datum Feature Simulator
4.6 Theoretical and Physical Application of Datum Feature
     Simulators
4.7 Datum Reference Frame
4.8 Datum Features
4.9 Datum Feature Controls
4.10 Specifying Datum Features in an Order of Precedence
4.11 Establishing Datums
4.12 Multiple Datum Features
4.13 Mathematically Defined Surface
4.14 Multiple Datum Reference Frames
4.15 Functional Datum Features
4.16 Rotational Constraint About a Datum Axis or Point
4.17 Application of MMB, LMB, and RMB to Irregular Features of
     Size
4.18 Datum Feature Selection Practical Application
4.19 Simultaneous Requirements
4.20 Restrained Condition
4.21 Datum Reference Frame Identification
4.22 Customized Datum Reference Frame Construction
4.23 Application of a Customized Datum Reference Frame
4.24 Datum Targets
Section 5 - Tolerances of Form
5.1 General
5.2 Form Control
5.3 Specifying Form Tolerances
5.4 Form Tolerances
5.5 Application of Free-State Symbol
Section 6 - Tolerances of Orientation
6.1 General
6.2 Orientation Control
6.3 Orientation Symbols
6.4 Specifying Orientation Tolerances
6.5 Tangent Plane
6.6 Alternative Practice
Section 7 - Tolerances of Location
7.1 General
7.2 Positional Tolerancing
7.3 Positional Tolerancing Fundamentals: I
7.4 Positional Tolerancing Fundamentals: II
7.5 Pattern Location
7.6 Coaxial Feature Controls
7.7 Tolerancing for Symmetrical Relationships
Section 8 - Tolerances of Profile
8.1 General
8.2 Profile
8.3 Tolerance Zone Boundaries
8.4 Profile Applications
8.5 Material Condition and Boundary Condition Modifiers as
     Related to Profile Controls
8.6 Composite Profile
8.7 Multiple Single-Segment Profile Tolerancing
8.8 Combined Controls
Section 9 - Tolerances of Runout
9.1 General
9.2 Runout
9.3 Runout Tolerance
9.4 Types of Runout Tolerances
9.5 Application
9.6 Specification
Nonmandatory Appendices
A - Principal Changes and Improvements
B - Formulas for Positional Tolerancing
C - Form, Proportion, and Comparison of Symbols
D - Former Practices
E - Decision Diagrams for Geometric Control
Index

El estándar Y14.5 se considera la guía autorizada para el lenguaje de diseño de dimensionamiento y tolerancia geométricos (GD&T).