CONTENTS
Foreword
........................................... ...................................................................................................................................
vi
Committee
Roster ...... .......................................................................................................................................................... viii
Correspondence
With the Y14
Committee
...................................................................................................................... ix
Section
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
Section
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
2.15
2.16
2.17
Section
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
Section
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
Scope,
Definitions,
and
General
Dimensioning
..................................................................................... .
Scope ............................................................................................................................................................... .
References ......................................................................................
··· ···
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··· ···
·····
··
· · ·
··· ···
· · · · ·
···
· · · · ·
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· ·
···
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· · ·
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·
Definitions ..................................................................................................................................................... .
Fundamental
Rules ....................................................................................................................................... .
Units
of
Measure
........................................................................................................................................... .
Types
of
Dimensioning
................................................................................................................................ .
Application
of
Dimensions ......................................................................................................................... .
Dimensioning
Features ................................................................................................................................ .
Location
of
Features ..................................................................................................................................... .
General
Tolerancing
and
Related
Principles
......................................................................................... .
General ........................................................................................................................................................... .
Direct Tolerancing
Methods
........................................................................................................................ .
Tolerance Expression .................................................................................................................................... .
Interpretation
of
Limits ................................................................................................................................ .
Single Limits .................................................................................................................................................. .
Tolerance
Accumulation
.............................................................................................................................. .
Limits
of
Size ................................................................................................................................................... .
Applicability
of
Modifiers
on
Geometric Tolerance Values
and
Datum
Feature References ............ .
Screw
Threads
............................................................................................................................................... .
Gears
and
Splines ......................................................................................................................................... .
Boundary
Conditions
................................................................................................................................... .
Angular
Surfaces .......................................................................................................................................... .
Conical Tapers ............................................................................................................................................... .
Flat Tapers ...................................................................................................................................................... .
Radius
............................................................................................................................................................. .
Tangent
Plane
................................................................................................................................................ .
Statistical Tolerancing .................................................................................................................................. .
Symbology
............................................................................................................................................. .
General ........................................................................................................................................................... .
Use of
Notes
to
Supplement
Symbols ....................................................................................................... .
Symbol
Construction
.................................................................................................................................... .
Feature
Control
Frame
Symbols ................................................................................................................. .
Feature Control
Frame
Placement
.............................................................................................................. .
Definition
of
the
Tolerance
Zone
................................................................................................................ .
Tabulated Tolerances .................................................................................................................................... .
Datum
Reference
Frames
....................................................................................................................... .
General ........................................................................................................................................................... .
Degrees
of
Freedom
...................................................................................................................................... .
Degrees
of
Freedom
Constrained
by
Primary
Datum
Features
Regardless
of
Material
Boundary
........................................................................................................... .
Constraining
Degrees
of
Freedom
of a
Part
.............................................................................................. .
Datum
Feature
Simulator
............................................................................................................................ .
Theoretical
and
Physical Application
of
Datum
Feature
Simulators
.................................................... .
Datum
Reference
Frame
.............................................................................................................................. .
iii
Copyright©
2008 by the American Society
of
Mechanical Engineers.
~
No
reproduction may be made
of
this material without written consent
of
ASME.
~
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