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Demonstrating
practical techniques that promote communication and cooperation between job
disciplines,
Geometric Dimensioning and Tolerancing:
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Shows
how to save time and money by avoiding potential problems in
functionality, part manufacture, and measurement
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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
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Delineates
concurrent engineering procedures and clarifies practical,
easily accessible tolerancing
techniques
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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
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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
Bibliography (ISBN: 0-8247-9309-9)
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