GEOMETRIC DIMENSIONING AND TOLERANCING
Applications and Techniques for Use in Design, Manufacturing, and Inspection

• Shows how to save time and money by avoiding potential problems in functionality, part manufacture, and measurement
• Explains international standards and technical reports
• Helps improve manufacturing techniques and quality by discussing methods of collecting variable and attribute inspection data on products
• Provides design tools that increase tolerances without adversely affecting functionality
• Delineates concurrent engineering procedures and clarifies practical, easily accessible tolerancing
  techniques
• Furnishes the latest rule changes in the American national standard on dimensioning and tolerancing, dimensioning and tolerancing mathematics, and measurement methods

           ...and much more!
 

Written by an acknowledged expert in the field and certified ASME Y14.5.2 Senior Level Geometric Dimensioning and Tolerancing Professional, Geometric Dimensioning and Tolerancing is an indispensable reference for mechanical, manufacturing, design, quality control, project and process engineers and managers, metrologists, and draftspersons, and an incomparable text for continuing technical education, undergraduate, and graduate students in these disciplines.

[Text Contents]
Introduction
-  Geometric Product Definition Principles
-  Verification of Position
-  Geometric Characteristic Symbols
-  Chart of Symbols
-  Rules Sheet
 
Chapter #1 Geometric Dimensioning and Tolerancing
-  An Explanation of Tolerance Zone Conversions
-  Surfaces, Features, Features of Size, Datum Features, Datum Features of Size, and Datums
-  Tolerances
-  Components Common to a Geometrically Dimensioned and Toleranced Drawing
-  Fits and Allowances
 
Chapter #2 Maximum Material Condition, Least Material Condition, and Regardless of Feature Size
-  Maximum Material Condition: Meaning and Uses
-  Least Material Condition: Meaning and Uses
-  Regardless of Feature Size
 
Chapter #3 How to Read a Feature Control Frame
 
Chapter #4 Size Controls Form
-  The Taylor Principle
-  Gaging Size Limits
-  Merging Theory with Reality
 
Chapter #5 Rules, Concepts, Characteristics, and Untoleranced Dimensions
-  Individual or Related to Datums
-  Material Conditions
-  Untoleranced Dimensions
-  Components Common to a Feature Control Frame
 
Chapter #6 Datums
-  Datum Features
      Concurrent Engineering
      Two Coaxial Diameters as a Datum Feature
      Pattern Datums
      Datum Features of Size at MMC
      Threads, Gears and Splines
      Datum Targets
-  Oddly Configured and Curved Surfaces as Datum Features
-  Equalizing Datums
-  Datum Feature Symbols
-  Flexible Parts
      Position and Profile Using Compound Datums (Two Holes)
      Common Misconceptions
      New Revision ANSI/ASME Y14.5 - Change
      Fixturing-Assuming Target Points are the Same as the Datum Planes
      Two Mating Rigid Parts
      Two Mating Flexible Parts
      Free State Variation in Sheet Metal Parts
-  Direct vs. Indirect Tolerancing
 
Chapter #7 The Maximum Material Condition Symbol and Its Ramifications
 
Chapter #8 Relationships Between Individual Features
 
Chapter #9 Virtual Condition and Resultant Condition Boundaries
-  Virtual Condition (MMC Concept)
-  RFS Does Not Mean Tighter Fits
-  Unique Effects on Controlled Features that Invoke the LMC Principle
-  Wall Thickness Calculations
 
Chapter #10 Datum Feature of Size Representation
-  Modes of Datum Feature Representation
-  Angular Orientation
 
Chapter #11 Form Controls
-  Flatness
-  Straightness
      A Versatile Form Control
      Straightness of a Derived Median Line
      Derived Median Plane Straightness
      Straightness RFS
-  Circularity
      Theory vs. Reality
      Circularity (Roundness) Measurement Instruments
-   Free State Variation
-  Cylindricity
 
Chapter #12 Orientation Controls
-  Orientation Chacteristics
-  Angularity
      Angularity of a Feature of Size
      Orientation of Line Elements
-  Perpendicularity
      Perpendicularity of a Cylindrical Feature of Size to a Datum Axis
-  Parallelism
 
Chapter #13 Profile
-  Line Element Controls
-  The Power and Versatility of Profile to Control Irregular and Unusual Features
-  Composite Profile vs. Two Single-  Segment Profile Controls
 
Chapter #14 Runout
-  Circular Runout
-  Total Runout
-  Reactions to a Non-  Perfect Datum Establishment
 
Chapter #15 Location
-  Concentricity
-  The Return of Symmetry
-  Position
      Floating Fasteners
      Projected Tolerance Zones (Fixed Fasteners)
      Inspecting Threaded Holes
      Projected Tolerance Zones for Tight Fitting Holes
      Comparison of Coaxiality Controls
      Zero Tolerancing at MMC
      Composite Tolerancing
      Composite Positional Tolerancing -   Tolerancing Mating Parts
      Composite Positional Tolerancing vs. Two Single-  Segment Positional Tolerancing Controls
      Converting from Plus and Minus to True Position Tolerancing
 
Chapter #16 A Logical Approach to Part Tolerancing
-  Linear Segmented Thinking
-  Refining Functional Geometric Controls to be More Cost Effective
-  Implying a Manufacturing Sequence on Complex Part Configurations
-  Centerplane Datums
 
Chapter #17 Dimensioning and Tolerancing Schemes
-  Common Tolerancing Methods
-  Design, Inspection, Production and Prototype Needs and Capabilities regarding Dimensioning and Tolerancing Methods
 
Chapter #18 Steps for the Development of a Dimensional Inspection Plan
-  The Dimensional Inspection Plan Format
      Plan Development
      Each Measurement
      What is being Verified?
      Hard vs. Soft Gages
      Choosing Gages
      Determining Uncertainty
-  A Dimensional Inspection Plan Example
 
Chapter #19 Graphical Data Analysis
-  Graphical Inspection Data Analysis (Checking Datum-  to-  Pattern Requirements)
-  Composite Positional Controls (Checking Feature-  to-  Feature Requirements)
-  Pattern of Features Controlled to a Center Datum Feature of Size
-  Analyzing Pattern/Datum Shift with Datum Features of Size Referenced at MMC
-  Visual Inspection of Positional Controls by Virtual Condition Boundary Verification
      Non-  visual Techniques
      Visual Techniques
 
Chapter #20 Functional Gaging
-  Functional Gage Design
-  Tolerance on the Work (Ten Percent of What?)
-  Push Pin Gages (Advantages: Tolerance Distribution)
Considerations of Functional Gage Design, Dimensioning and Tolerancing
 
Definitions

 

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