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CITATION

Cogorno, Gene. Geometric Dimensioning and Tolerancing for Mechanical Design 2/E. US: McGraw-Hill Professional, 2011.

Geometric Dimensioning and Tolerancing for Mechanical Design 2/E

Authors: Gene Cogorno

Published:  April 2011

eISBN: 9780071772143 0071772146 | ISBN: 9780071772129
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  • Contents
  • Preface
  • Acknowledgments
  • 1 Introduction to Geometric Dimensioning and Tolerancing
  • Chapter Objectives
  • What Is GD&T?
  • When Should GD&T Be Used?
  • Advantages of GD&T Over Coordinate Dimensioning and Tolerancing
  • The Cylindrical Tolerance Zone
  • The Maximum Material Condition Modifier
  • Datum Features Specified in Order of Precedence
  • Summary
  • Chapter Review
  • 2 Dimensioning and Tolerancing Fundamentals
  • Chapter Objectives
  • Fundamental Drawing Rules
  • Units of Linear Measurement
  • Specifying Linear Dimensions
  • Specifying Linear Tolerances
  • Interpreting Dimensional Limits
  • Specifying Angular Dimensions
  • Specifying Angular Tolerances
  • Dimensioning and Tolerancing for CAD/CAM Database Models
  • Summary
  • Chapter Review
  • 3 Symbols, Terms, and Rules
  • Chapter Objectives
  • Symbols
  • Geometric Characteristic Symbols
  • The Datum Feature Symbol
  • The Feature Control Frame
  • Reading the Feature Control Frame
  • Other Symbols Used with Geometric Tolerancing
  • Terms
  • Rules
  • Rule #1: Limits of Size Prescribe Variations of Form
  • Rule #2: Applicability of Modifiers in Feature Control Frames
  • The Pitch Diameter Rule
  • Summary
  • Chapter Review
  • Problems
  • 4 Datums
  • Chapter Objectives
  • Definition
  • Application of Datums
  • Immobilization of a Part
  • Datum Feature Selection
  • Datum Feature Identification
  • Inclined Datum Features
  • Cylindrical Datum Features
  • Establishing Datum Features
  • Plane Flat Surfaces as Datum Features
  • Datum Features of Size at RMB
  • Datum Features of Size at MMB
  • Plane Flat Surfaces versus Features of Size
  • Irregular Features of Size
  • Multiple Datum Features
  • Partial Datum Features
  • Datum Targets
  • Datum Targets Established on a Cylindrical Part
  • Step and Movable Datum Target Symbols
  • Summary
  • Chapter Review
  • Problems
  • 5 Form
  • Chapter Objectives
  • Flatness
  • Definition
  • Specifying Flatness Tolerance
  • Specifying Flatness of a Median Plane
  • Unit Flatness
  • Straightness
  • Definition
  • Specifying Straightness of a Surface Tolerance
  • Specifying Straightness of a Median Line
  • Circularity
  • Definition
  • Specifying Circularity Tolerance
  • Cylindricity
  • Definition
  • Specifying Cylindricity Tolerance
  • Free-State Variation
  • Summary
  • Chapter Review
  • Problems
  • 6 Orientation
  • Chapter Objectives
  • Perpendicularity
  • Definition
  • Specifying Perpendicularity of a Flat Surface
  • The Tangent Plane
  • Specifying the Perpendicularity of an Axis to a Plane Surface
  • Parallelism
  • Definition
  • Specifying Parallelism of a Plane Surface
  • Specifying Parallelism of an Axis
  • Angularity
  • Definition
  • Specifying Angularity of a Plane Surface
  • Specifying Angularity of an Axis
  • Alternative Practice
  • Summary
  • Chapter Review
  • Problems
  • 7 Position, General
  • Chapter Objectives
  • Definition
  • The Tolerance of Position
  • Specifying the Position Tolerance
  • Specifying the Position Tolerance at RFS
  • Specifying the Position Tolerance at MMC
  • Datum Features of Size Specified with a Regardless of Material Boundary (RMB) Modifier
  • Datum Features of Size Specified with a Maximum Material Boundary (MMB) Modifier
  • MMB Modifier Explained in More Detail
  • Locating Features of Size with a Least Material Condition (LMC) Modifier
  • Calculation of Wall Thickness
  • Boundary Conditions
  • Zero Positional Tolerance at MMC
  • Summary
  • Chapter Review
  • Problems
  • 8 Position, Location
  • Chapter Objectives
  • Floating Fasteners
  • Clearance Hole LMC Diameter
  • Clearance Hole Location Tolerance T
  • Clearance Hole MMC Diameter H
  • Fixed Fasteners
  • Clearance Hole LMC Diameter
  • Threaded Hole Location Tolerance t[Sub(1)]
  • Clearance Hole Location Tolerance t[Sub(2)]
  • Clearance Hole MMC Diameter H
  • Projected Tolerance Zones
  • Through Holes
  • Blind Holes
  • Multiple Patterns of Features
  • Composite Positional Tolerancing
  • Multiple Single-Segment Positional Tolerancing
  • Nonparallel Holes
  • Counterbored Holes
  • Noncircular Features at MMC
  • Symmetrical Features at MMC
  • Summary
  • Chapter Review
  • Problems
  • 9 Position, Coaxiality
  • Chapter Objectives
  • Definition
  • Comparison Between Coaxiality Controls
  • Specifying Coaxiality at Maximum Material Condition
  • Composite Positional Control of Coaxial Features
  • Coaxial Features Controlled Without Datum References
  • Tolerancing a Plug and Socket
  • Summary
  • Chapter Review
  • Problems
  • 10 Concentricity and Symmetry
  • Chapter Objectives
  • Concentricity
  • Definition
  • Specifying Concentricity
  • Applications of Concentricity
  • Symmetry
  • Definition
  • Specifying Symmetry
  • Applications of Symmetry
  • Summary
  • Chapter Review
  • Problems
  • 11 Runout
  • Chapter Objectives
  • Definition
  • Circular Runout
  • Total Runout
  • Specifying Runout and Partial Runout
  • Multiple Datum Features
  • Face and Diameter Datum Features
  • Geometric Controls to Refine Datum Features
  • Relationship Between Feature Surfaces
  • Inspecting Runout
  • Summary
  • Chapter Review
  • Problems
  • 12 Profile
  • Chapter Objectives
  • Definition
  • Specifying Profile Tolerance
  • Application of Datum Features
  • A Radius Refinement with Profile
  • Combining Profile Tolerances with Other Geometric Controls
  • Coplanarity
  • Profile of a Conical Feature
  • Composite Profile Tolerancing
  • Multiple Single-Segment Profile Tolerancing
  • Inspection
  • Summary
  • Chapter Review
  • Problems
  • 13 Graphic Analysis
  • Chapter Objectives
  • Advantages of Graphic Analysis
  • Accuracy of Graphic Analysis
  • Analysis of a Composite Geometric Tolerance
  • Analysis of a Pattern of Features Controlled to a Datum Feature of Size
  • Summary
  • Chapter Review
  • Problems
  • 14 A Strategy for Tolerancing Parts
  • Chapter Objectives
  • Features of Size Located to Plane Surface Features
  • Features of Size Located to Features of Size
  • A Pattern of Features Located to a Second Pattern of Features
  • Summary
  • Chapter Review
  • Problems
  • Appendix
  • Index