Geometric Boundaries II, Interpretation and Application of GD&T Reference and Training Manual

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Geometric Boundaries II
Interpretation and Application of Geometric Dimensioning and Tolerancing
(Using the Inch and Metric Units) Based on ASME Y14.5-2009 (R2004)

Engineers Edge, LLC
Monroe, Georgia 30656

1.2 - Preface
1.3 - Acknowledgments
1.12 - Introduction
1.13 - Engineering Drawing Standards First and Third Angle Projection
1.14 - Standards Based on ISO or ASME Standards
1.16 - Corporate Standards
1.17 - How the Geometric Dimensioning and Tolerancing System Works
1.18 - Tolerances, Features and Characteristics Overview
1.19 - Tolerance Hierarchy
1.20 - Feature Control Frame
1.21 - Position and Limit Tolerance General Overview and Contrast
1.22 - Common Symbols
1.23 - Dimensioning and Tolerancing General Rules

2.2 -Limit tolerancing, Square Tolerance, Zone and Overview
2.3 - Tolerance Application and Method, Basic Dimensions
2.4 - Implied 90 Degree Angle, Dimensional Expression
2.5 - Dimension and Tolerance Expression – Millimeter Tolerances and
Dimensions
2.7 - Inch Tolerances and Dimensions
2.9 - Angular Dimensioning and Tolerancing
2.10 - Slotted holes, Arcs, Countersink hole
2.11 - Counter bored Holes, Countersink on curved surface
2.12 -Internal External Chamfers, Keyseats

3.2 - Immobilization of component and measurement
3.3 - Datum identification General
3.4 - Datum symbols and identification Datum identification features without size
3.5 - Datum identification features with size
3.6 - Datum Identification Features with Size Alternative and Special Applications
3.7 - Datum associated with feature control frame
3.8 - Datum feature, simulated datum, and theoretical datum plane
3.9 - Primary External Datum Diameter
3.10 - Primary internal Datum Diameter
3.11 - Primary External Datum Width
3.12 - Primary Internal Datum Width
3.13 - Primary Datum Features Reference
3.14 - Setup and Inspection of Datum’s, Datum and Dimensional Measurement equipment
3.16 - Sequence of Datum Features
3.17 - Sequence of Datum Features Relates Part to Datum Reference Frame
3.18 - Parts with Angular Orientation
3.19 - Cylindrical Datum Feature
3.21 - Orientation of Two Datum Planes Through Hole Features
3.23 - Datum reference Frame With Translation Modifier
3.25 - Partial Datum Surface(s) as Datum Features
3.26 - Partial Contoured Datum Surface
3.27 - Multiple Datum Features, Single Datum
3.28 - Planar Multiple Datum Features Offset
3.29 - Contoured Datum Feature Constraining a Rotational Degree of Freedom, Contoured Datum Feature at MMB
3.30 - Planar Datum Feature Constraining Rotational Degree of Freedom
3.31 - Conical Datum Feature Constraining a Rotational Degree of Freedom
3.32 - Conical Datum Feature Constraining Rotational Degree of Freedom With secondary Datum Constraint
3.33 - Inclined Datum Features

4.2 - Datum Target Point Symbol, Application
4.3 - Datum Target Area
4.4 - Datum Target Line
4.5 - Dimensioning Datum Targets
4.6 - Primary Datum Plane Established by Three Datum Target Areas
4.7 - Primary Datum Plane Established by Two Datum Target Points and One
Datum Target Line.
4.8 - Step Datum Feature
4.9 - Datum Target Lines and Areas
4.10 - Primary Datum Axis Established by Datum Target points on a Single
Cylindrical Feature
4.11 - Equalizing Datum
4.14 - Secondary Datum Axis
4.15 - Spherical Movable Datum Target
4.16 - Sheet Metal With Multiple Datum Targets in Restrained Condition

5.2 - Flatness
5.3 - Flatness Applied on a Unit Basis
5.4 - Flatness Applied on Unit Basis With Overall Control
5.5 - Flatness Applied to Derived Median Plane at RFS
5.6 - Flatness Applied to Derived Median Plane at MMC
5.7 - Straightness
5.8 - Straightness Per Unit Basis
5.9 - Straightness Applied in Two Directions
5.10 - Straightness of a Surface (Cylindrical)
5.11 - Straightness of a Feature of Size @ RFS
5.12 - Straightness of a Feature of Size @ MMC
5.13 - Straightness Per Unit Length With Specified Total Straightness
5.14 - Cylindricity
5.15 - Circularity (Roundness)
5.16 - Circularity of Cone
5.17 - Circularity of Sphere
5.18 - Circularity or Cylindricity Applied with Average Diameter

6.2 - Perpendicularity - Surface
6.3 - Perpendicularity – Surface Two Datum's
6.4 - Perpendicularity – Center plane
6.5 - Perpendicularity at MMC Internal Feature – Center Plane
6.6 - Perpendicularity – External Feature of Size Axis
6.7 - Perpendicularity – Internal Feature of Size Axis
6.8 - Perpendicularity –Threaded Hole or Inserts Projected Tolerance Zone
6.9 - Parallelism
6.10 - Parallelism Control of Two Hole Features
6.11 - Parallelism Hole Relative to Plane
6.12 - Angularity Overview and Surface to Surface
6.13 - Angularity Surface to Surface with Location Control
6.14 - Angularity Hole to Planar Datum
6.15 - Secondary Datum Application

7.2 - Fundamental Explanation of Positional Tolerancing
7.3 - Differences Between Position Tolerancing and Limit Tolerancing
7.4 - Modifiers
7.5 - Maximum Material Condition and Boundary
7.6 - Least Material Condition and Boundary
7.7 - External Feature of Size Position Tolerance Boundaries with Maximum Material Condition MMC Specification and Datum’s at RMB
7.8 - Internal Feature of Size Position Tolerance Boundaries with Maximum Material Condition MMC Specification and Datum’s at RMB
7.9 - External Feature of Size Position Tolerance Boundaries with Least Material Condition LMC Specification and Datum’s at RMB
7.10 - Internal Feature of Size Position Tolerance with Least Material Condition LMC Specification and Datum’s at RMB
7.11 - Zero Positional Tolerance at MMC, Datum’s at RMB
7.12 - Position Tolerance at RFS and Datum’s at RFB
7.13 - Positional Tolerance at MMC Surface and Axis Interpretation of a Hole Feature
7.14 - Positional Tolerance Axis and Surface Interpretation – Surface Datum’s
7.15 - Positional Tolerance Axis Interpretation - Surface Datum’s
7.16 - Positional Tolerance Surface Interpretation - Surface Datum’s
7.17 - Positional Tolerance Axis and Surface Interpretation - Thru Hole Datum’s
7.18 - Positional Tolerance Axis Interpretation – Thru Hole Datum’s
7.19 - Positional Tolerance Surface Interpretation – Thru Hole Datum’s
7.20 - Rectangular Coordinate Method
7.21 - Positional Tolerance at MMC Relative to Hole and Slot Datum Feature
7.22 - Bi-Directional Positional Tolerancing, Polar Coordinate Method
7.23 - Different Positional Tolerance at Each Surface
7.24 - Circular pattern of holes
7.25 - Positional Tolerance at MMC Relative to Datum Feature Center Planes
7.26 - Positional Tolerance at RFS of Slots Relative to Surface Datum Features
7.27 - Coaxial (Concentric) Control of Cylinders
7.28 - Coaxial (Concentric) Control of Multiple Hole-Counterbore Holes
7.29 - Coaxial Control of Cylinders
7.30 - Hole Pattern Located Perpendicular to Cylindrical Datum
7.31 - Holes Not Normal to DRF
7.32 - Hole Pattern Located at Angle to Datum Reference Frame
7.33 - Positional Tolerance at MMC of Spherical Feature
7.34 - Positional Tolerance of Coaxial Holes of Same Size
7.35 - Least Material Condition Application – Cylinder Wall Thickness
7.36 - Positional Tolerance for Coaxiality With Datum Feature referenced at MMB
7.37 - Positional Tolerance for Coaxially With Feature Referenced at Zero MMC Relative to Datum Feature at MMB
7.38 - Variable Tolerance Boundary Minimum at Nominal Size
7.39 - Positional Tolerance - Thru Hole Datum’s at MMC
7.40 - Positional Tolerance - Thru Hole Datum Verification
7.41 - Composite Positional Tolerancing
7.45 - Composite Positional Tolerancing With Pattern Orientation Control
7.48 - Concentricity
7.50 - Concentricity Application
7.51 - Concentricity of Sphere
7.52 - Symmetry

8.2 - Profile Surface Definition
8.3 - Profile of surface, Bilateral Tolerance
8.4 - Profile of Surface, Bilateral Tolerance Between Symbol Alternative Practice
8.5 - Profile of Surface, Bilateral Tolerance Rectangular Coordinate Dimensioning Without Dimension Lines
8.6 - Profile of Surface, Unilateral (INSIDE) Tolerance
8.7 - Profile of Surface, Unilateral (OUTSIDE) Tolerance
8.8 - Profile of Surface, Bilateral Unequal Tolerance
8.9 - Profile of Surface, All Around
8.10 - Profile of Surface, All Over
8.11 - Profile of Surface, Independent Form Control
8.12 - Profile of Surface, Boundary Principle
8.13 - Profile Tolerance for Coplanar Surfaces
8.14 - Profile of Line Tolerances
8.15 - Profile of Line Tapered Shape
8.16 - Profile of Line Unilateral Inside
8.17 - Profile of Line and Size Control
8.17 - Composite Profile Tolerances
8.19 - Composite Profile Tolerance With Rotation Control of PRC
8.20 - Non-Uniform Zone
8.21 - Non-Uniform Zone Application
8.22 - Profile of Surface With Datum at MMC

9.2 - Circular Runout
9.5 - Total Runout
9.8 - Run-Out With Plane as Datum
9.9 - Run-Out Relative to Datum Surface and a Diameter
9.10 - Run-Out With Two Datum Diameters
9.11 - Multiple Cylinders Related to Each Other Runout Application
9.12 - Runout Relating Separate Features to Each Other with Common Datum

11.1 - Tolerance Analysis- Tolerance Conversion Unilateral, Bilateral
11.2 - Series Stack
11.3 - Floating Fastener Condition
11.4 - Fixed Fastener Condition
11.5 - Tolerance Compensation for Projected Tolerance Zone – Fixed Fastener condition
11.7 - Two Mating Coaxial/Coplanar Features at MMC
11.8 - Three Mating Coaxial/Coplanar Features at MMC
11.9 - Six Sigma Concepts
11.10 - Increasing the Cp Level to Reach Six Sigma
11.11 - Graphical Representations of Distributions
11.14 - Linear Six Sigma Calculations
11.15 - Linear Three Sigma Calculations
11.16 - Position Tolerance Calculation and Hole Pattern Analysis
11.18 - Coordinate to Position Tolerance Conversion Chart
11.19 - Position Tolerance Verification Workshop
11.23 - Generic Hole Verification Chart

12.2 - Implementation Considerations Applicable Documents, Overview
12.3 - Design Drawing Requirements Digital Model and Database
12.4 - Quality and Inspection Requirements Manufacturing
12.5 - Change Notice Procedure

14.2 - Comparison of ASME and ISO Symbols (Geometric Characteristics

15.1 - Appendix – Geometric Characteristic Symbol Proportions and Size
15.4 - Design Decision Chart
15.5 - Datum Selection Decision Chart
15.6 - Form Tolerances Decision Chart
15.7 - Orientation Tolerances Decision Chart
15.8 - Location Tolerances Decision Chart
15.9 - Profile Tolerances Decision Chart
15.10 - Runout Tolerances Decision Chart
15.11 - ANSI Standard Size (Inch) Drills
15.12 - ISO Metric (mm) Size Standard Drill Sizes
15.13 - ANSI External Screw Threads Sizes 0 - 3/8
15.13 - ANSI External Screw Threads Sizes 3/8 – Larger
15.14 - ACME Thread Forms – General Purpose External
15.16 - ACME Thread Forms – General Purpose Internal
15.17 - ACME Thread Forms – Internal Centralizing
15.18 - ACME Thread Forms – External Centralizing
15.19 - Standard External Pipe Threads
15.20 - Standard Internal Pipe Threads