Geometric Dimensioning and Tolerancing
References:
•Engineering Drawing and design
by D. Madsen, etal.
•Fundamentals of Graphics
Communicationi by Bertoline /
Wiebe
9/21/2009 - jcs
GDT I - Intro
Basic Dimension and Tolerance
9/21/2009 - jcs
GDT I - Intro
Geometric Tolerancing Added
9/21/2009 - jcs
GDT I - Intro
Another Example
9/21/2009 - jcs
GDT I - Intro
Text Example: Flat
 Figure 12.20

The surface must flat within a two thousandths of an inch
tolerance zone.
9/21/2009 - jcs
GDT I - Intro
Text Example: Parallel
 Figure 12.22

The surface must be parallel within a Five Thousandth of an
inch tolerance zone relative to datum feature A.
9/21/2009 - jcs
GDT I - Intro
Text Example: Parallel
 Figure 12.22

The axis must be parallel within a Two Thousandth of an inch
tolerance zone relative to datum feature A.
9/21/2009 - jcs
GDT I - Intro
Text Example: Perpendicular
 Figure 12.23

The surface must be perpendicular within a two thousandth
of an inch tolerance zone relative to datum feature A
9/21/2009 - jcs
GDT I - Intro
Text Example: Perpendicular
 Figure 12.23

The axis must be perpendicular within a two
thousandths of an inch tolerance zone relative to
datum feature A
9/21/2009 - jcs
GDT I - Intro
Text Example:
Straightness - Line Elements
 Figure 12.17

The surface must be straight within a two thousandths of
an inch tolerance zone.
9/21/2009 - jcs
GDT I - Intro
Text Example: Straightness / Axis
 Figure 12.18

The axis must be straight within a two thousandths of
an inch cylindrical tolerance zone
9/21/2009 - jcs
GDT I - Intro
Text Example: Circularity
 Figure 12.19
9/21/2009 - jcs
GDT I - Intro
GDT1.1
9/21/2009 - jcs
GDT I - Intro
GDT1.2 - Given
 Create the model / drawing
9/21/2009 - jcs
GDT I - Intro