Interpretation of Geometric Dimensioning and Tolerancing

Completely updated for ASME Y14.5-2009! Geometric Dimensioning and Tolerancing (GD&T) has become accepted around the world as the international symbolic language that allows engineers and machinists to use engineering drawings to communicate from the design stage through manufacturing and inspection. Deductively organized, this book is a complete on-the-job reference that provides a thorough understanding to the complex ASME Y14.5-2009 "Dimensioning and the Tolerancing" standard.  

• Uses a "building-block" approach with examples (some dimensioned and toleranced in inches and some in millimeters) to illustrate each concept.
• Reinforces the explanations with end-of-chapter self evaluation exercises (the answers to all questions and problems are contained in the back of the book).
• Includes over one hundred drawings that illustrate concepts under discussion.
• Provides the information needed to become conversant in the techniques of GD&T and how to smoothly integrate this knowledge into engineering design and modern inspection systems.

Dan Puncochar was most recently manager of Corporate Quality Assurance for the world’s largest truck manufacturer. His career spanned 30 years. Previously, he held positions in the Engineering Test Lab and in the Corporate Training Department, where he instructed production workers in basic and advanced courses in machine technology. He also taught quality assurance inspectors blueprint reading and GD&T – among other courses -- and subsequently was called on to teach GD&T throughout the Corporation. 

Ken Evans is a machine tool Sales Engineer for a leading distributor of metal cutting and quality control equipment and services. Previously, he was a Machine Tool Technology instructor at Davis Applied Technology College (Utah), where he taught for nearly 20 years. Ken started in the machining trade at Cessna Aircraft in 1976. He has since held a wide variety of machining and related jobs throughout his career: Machine Tool Technology Instructor, Prototype CNC Machinist, Quality Control Inspector, Mold Maker, Tool & Die Maker. He is the author ofProgramming of CNC Machines, 3rd Edition, and the accompanying Student Workbook, both available from Industrial Press.

Introduction Symbols and Abbreviations DatumsFeature Control Frames General RulesForm and Orientation Tolerances Virtual Condition Tolerances of Location Practical Application Appendices: Past, Plus/Minus Positional Tolerancing, Symbols Glossary "Dimensioning and the Tolerancing" Standard

Dan Puncochar was most recently manager of Corporate Quality Assurance for the world's largest truck manufacturer. His career spanned 30 years. Previously, he held positions in the Engineering Test Lab and in the Corporate Training Department, where he instructed production workers in basic and advanced courses in machine technology. He also taught quality assurance inspectors blueprint reading and GD&T - among other courses -- and subsequently was called on to teach GD&T throughout the Corporation.

Ken Evans is a machine tool Sales Engineer for a leading distributor of metal cutting and quality control equipment and services. Previously, he was a Machine Tool Technology instructor at Davis Applied Technology College (Utah), where he taught for nearly 20 years. Ken started in the machining trade at Cessna Aircraft in 1976. He has since held a wide variety of machining and related jobs throughout his career: Machine Tool Technology Instructor, Prototype CNC Machinist, Quality Control Inspector, Mold Maker, Tool & Die Maker. He is the author ofProgramming of CNC Machines, 3rd Edition, and the accompanying Student Workbook, both available from Industrial Press.

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