11 - Converting from Plus And Minus To Composite Position and Wall Thickness Calculations

 in Category: "Single Disc"

Lesson 11 of 12: Converting from Plus And Minus To Composite Position and Wall Thickness Calculations

This 73 minute CD-ROM or DVD is an applications-based training session that uses a variety of assemblies and part geometric configurations to show participants how to convert from plus and minus tolerancing to Composite Positional Tolerancing. It also shows how to calculate functional and cost-saving geometric tolerances, then analyze the tolerances for clearance, interference and minimum wall thickness.

Topics discussed include:

• The Ambiguity of Plus and Minus tolerancing
• Floating Fastener Situations
• Establishing Functional Datum Features
• Tighter Tolerances Between Features Within a Pattern than to the Datums
• Converting from Plus and Minus to Composite Positional Tolerancing
• Criteria for Datum Precedence and Usage
• Tolerance Zone Descriptions
• Material Condition Symbols
• What Each Level of Control Tolerances
• Calculating and Testing Tolerances
• Bonus Tolerances
• Determining Geometric Tolerances and Calculating Minimum Wall Thickness
• Setting Minimum Wall Thickness, then Calculating Pattern Locating Geometric Tolerances from Them
• Zeroing Out a Composite Positional Control for Greater Yields
• Redistributing Tolerances Between Size Limits and Geometric Controls
• The Effect of Size on Form and Wall Thickness
• Angular Tolerances and How They Effect Wall Thickness
• Optimizing Complex Controls Without Changing the Worst Case Boundaries
• Differences Between Composite Position and Two-Single-Segment Positional Controls
• Problem and Causal Statements
• Sequential Controls of Form and Orientation for Geometric Definition and Problem Solving
• Making Tolerance Analysis Easy
• Positional Coaxiality
• Centerplane Datums
• Position With and Without Datums


Genre(s): Educational:Engineering
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