Dimensioning and tolerancing handbook /

This book tries to capture the major topics that fall under the umbrella of "Variation Management." The book is laid out so that the reader can easily understand the variation management process and how each chapter maps to this process. This book has two purposes. It is a "one-step&q...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Drake, Paul J. (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York, N.Y. : McGraw-Hill Education, [1999]
Edición:First edition.
Colección:McGraw-Hill's AccessEngineering.
Temas:
Engineering drawings > Dimensioning.
Tolerance (Engineering)
Electronic books.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • A. Foreword
  • B. About the editor
  • C. Contributors
  • D. Preface
  • E. Acknowledgments
  • A. Part 1: History/lessons learned 1. Quality thrust
  • Meaning of quality
  • The evolution of quality
  • Some quality gurus and their contributions
  • The six sigma approach to quality
  • The malcolm baldrige national quality award (mbnqa)
  • References
  • 2. Dimensional management
  • Traditional approaches to dimensioning and tolerancing
  • A need for change
  • The dimensional management process
  • References
  • Glossary
  • 3. Tolerancing optimization strategies
  • Tolerancing methodologies
  • Tolerancing progression (example #1)
  • Tolerancing progression (example #2)
  • Summary
  • References
  • B. Part 2: Standards
  • 4. Drawing interpretation
  • Introduction
  • Drawing history
  • Standards
  • Drawing types
  • Border
  • Title blocks
  • Revision blocks
  • Parts lists
  • View projection
  • Section views
  • Partial views
  • Conventional practices
  • Isometric views
  • Dimensions
  • Surface texture
  • Notes
  • Drawing status
  • Conclusion
  • References
  • 5. Geometric dimensioning and tolerancing
  • Introducing geometric dimensioning and tolerancing (GD&T)
  • Part features
  • Symbols
  • Fundamental rules
  • Nonrigid parts
  • Features of size?the four fundamental levels of control
  • Size limits (level 1 control)
  • Form (only) tolerances (level 2 control)
  • Datuming
  • Orientation tolerance (level 3 control)
  • Positional tolerance (level 4 control)
  • Runout tolerance
  • Profile tolerance
  • Symmetry tolerance
  • Combining feature control frames
  • "instant" GD&T
  • The future of GD&T
  • References
  • 6. Differences between us standards and other standards
  • Dimensioning standards
  • Comparison of ASME and ISO standards
  • Other standards
  • Future of dimensioning standards
  • Effects of technology
  • New dimensioning standards
  • References
  • 7. Mathematical definition of dimensioning and tolerancing principles
  • Introduction
  • Why mathematical tolerance definitions?
  • What are mathematical tolerance definitions?
  • Detailed descriptions of mathematical tolerance definitions
  • Where do we go from here?
  • Acknowledgments
  • References
  • 8. Statistical tolerancing
  • Introduction
  • Specification of statistical tolerancing
  • Statistical tolerance zones
  • Additional illustrations
  • Summary and concluding remarks
  • References
  • C. Part 3: Design
  • 9. Traditional approaches to analyzing mechanical tolerance stacks
  • Introduction
  • Analyzing tolerance stacks
  • Analyzing geometric tolerances
  • Abbreviations
  • Terminology
  • References
  • 10. Statistical background and concepts
  • Introduction
  • Shape, locations, and spread
  • Some important distributions
  • Measures of quality and capability
  • Summary
  • References
  • Appendix
  • 11. Predicting assembly quality (six sigma methodologies to optimize tolerances)
  • Introduction
  • What is tolerance allocation?
  • Process standard deviations
  • Worst case allocation
  • Statistical allocation
  • Dynamic rss allocation
  • Static RSS analysis
  • Comparison of the techniques
  • Communication of requirements
  • Summary
  • Abbreviations
  • References
  • 12. Multi-dimensional tolerance analysis (manual method)
  • Introduction
  • Determining sensitivity
  • A technique for developing gap equations
  • Utilizing sensitivity information to optimize tolerances
  • Summary
  • 13. Multi-dimensional tolerance analysis (automated method)
  • Introduction
  • Three sources of variation in assemblies
  • Example 2-D assembly - Stacked blocks
  • Steps in creating an assembly tolerance model
  • Steps in analyzing an assembly tolerance model
  • Summary
  • References
  • 14. Minimum-cost tolerance allocation
  • Tolerance allocation using least cost optimization
  • 1-D tolerance allocation
  • 1-D example: shaft and housing assembly
  • Advantages/disadvantages of the lagrange multiplier method
  • True cost and optimum acceptance fraction
  • 2-D and 3-D tolerance allocation
  • 2-D example: one-way clutch assembly
  • Allocation by scaling, weight factors
  • Allocation by cost minimization
  • Tolerance allocation with process selection
  • Summary
  • References
  • Appendix
  • 15. Automating the tolerancing process
  • Background information
  • Automating the creation of the tolerance model
  • Automating tolerance analysis
  • Automating tolerance optimization
  • Automating communication between design and manufacturing
  • Cat automation tools
  • Summary
  • References.
  • 16. Working in an electronic environment
  • Introduction
  • Paperless/electronic environment
  • Development information tools
  • Product information management
  • Information storage and transfer
  • Manufacturing guidelines
  • Database format standards
  • 3-D formats
  • General information formats
  • Graphics formats
  • Conclusion
  • Appendix A IGES entities
  • D. Part 4: Manufacturing
  • 17. Collecting and developing manufacturing process capability models
  • Why collect and develop process capability models?
  • Developing process capability models
  • Quality prediction models - variable versus attribute information
  • Cost and cycle time prediction modeling variations
  • Validating and checking the results of your predictive models
  • Summary
  • References
  • E. Part 5: Gaging
  • 18. Paper gage techniques
  • What is paper gaging?
  • Advantages and disadvantages to paper gaging
  • Discrimination provided by a paper gage
  • Paper gage accuracy
  • Plotting paper gage data points
  • Paper gage applications
  • Summary
  • References
  • 19. Receiver gages ? go gages and functional gages
  • Introduction
  • Gaging fundamentals
  • Gage tolerancing policies
  • Examples of gages
  • Push pin vs. Fixed pin gaging
  • Conclusion
  • References
  • F. Part 6: precision metrology
  • 20. Measurement systems analysis
  • Introduction
  • Measurement methods analysis
  • CMM performance test overview
  • CMM capability matrix (see fig. 20-17)
  • References
  • G. Part 7: Applications
  • 21. Predicting piecepart quality
  • Introduction
  • The problem
  • Statistical framework
  • Non-size feature applications
  • Example
  • Summary
  • References
  • 22. Floating and fixed fasteners
  • Introduction
  • Floating and fixed fasteners
  • Geometric dimensioning and tolerancing (cylindrical tolerance zone versus +/- tolerancing)
  • Calculations for fixed, floating and double-fixed fasteners
  • Geometric dimensioning and tolerancing rules/formulas for floating fastener
  • Geometric dimensioning and tolerancing rules/formulas for fixed fasteners
  • Geometric dimensioning and tolerancing rules/formulas for double-fixed fastener
  • Nut plates: floating and nonfloating (see fig. 22-14)
  • Projected tolerance zone
  • Hardware pages
  • References
  • 23. Fixed and floating fastener variation
  • Introduction
  • Hole variation
  • Assembly variation
  • Fixed and floating fasteners
  • Summary
  • References
  • 24. Pinned interfaces
  • List of symbols (definitions and terminology)
  • Introduction
  • Performance considerations
  • Variation components of pinned interfaces
  • Types of alignment pins
  • Tolerance allocation methods?worst case vs. Statistical
  • Processes and capabilities
  • Design methodology
  • Proper use of material modifiers
  • Temperature considerations
  • Two round pins with two holes
  • Round pins with a hole and a slot
  • Round pins with one hole and edge contact
  • One diamond pin and one round pin with two holes
  • One parallel-flats pin and one round pin with two holes
  • References
  • 25. Gage repeatability and reproducibility(GR&R) calculations
  • Introduction
  • Standard GR&R procedure
  • Summary
  • References
  • H. Part 8: the future
  • 26. The future
  • Introduction
  • The future of dimensional management
  • The future of geometric dimensioning and tolerancing (GD&T)
  • The future of standards
  • The future of tolerancing in academics
  • The future of tolerancing in business
  • The future of software tools
  • Future of tolerance analysis
  • Major hurdles
  • Unresolved issues
  • Research opportunities
  • The future of tolerance analysis applications
  • Barriers to the future success of geometric dimensioning and tolerancing
  • The future of tolerancing
  • The future of global standards and business perspective
  • The future of dimensioning & tolerancing standards
  • The future of metrology standards
  • The future of dimensional management
  • The future of tolerancing in academics
  • The future of gd&t
  • The future of software tools
  • The future of tolerancing standards
  • The future of dimensioning and tolerancing
  • Reference.

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