01 - The Major Principles

This video covers the major principles or geometric tolerancing. While tolerancing a simple 2-part assembly, Jim Meadows discusses the following topics:

• Plus and Minus Tolerancing as it Relates to Profile and Position Tolerancing
• Converting from Plus and Minus to Position Tolerancing to Avoid Ambiguities
• Selecting Datum Features
• Tolerancing Datum Features
• General Rules of Tolerancing
• Calculating Geometric Tolerances
• Worst Case Boundaries for Tolerancing Analysis
• Minimum Wall Thickness Calculations
• Maximum and Least Material Conditions
• Virtual and Resultant Conditions
• Basic Dimensions and Where Their Tolerances Come From
• How to Tolerance without Too Much Symbology