Dimensioning and Tolerancing Principles for Gages and Fixtures

Learn the rules, principles and practices of gage and fixture design, dimensioning and tolerancing per the newly approved standard, “Y14.43-2011 — Revision of ASME Y14.43-2003 (R2008) — Dimensioning and Tolerancing Principles for Gages and Fixtures.”

This course can be applied to the Dimensioning and Tolerancing Certificate.

Benefits and Learning Outcomes

  • Learn gage and fixture design, dimensioning and tolerancing per the approved Y14.43-2011 standard
  • Understand variables data collection methods and datum establishment by coordinate measurement machines and other inspection tools
  • Learn techniques to analyze collected variable data

Course Outline/Topics

  1. Collecting variables data using coordinate measurement machines, optical comparators, gear analyzers and other inspection equipment
  2. View inspection procedures filmed
  3. Analyze boundary verification vs tolerance zone verification
  4. Assess part compliance with given geometric tolerances
  5. Analyze variables data
  6. Learn the function and use of gages
  7. Gage tolerancing policies
  8. Statistics
  9. How to make gage geometric tolerances reflect part geometric tolerances
  10. Tolerance stack-up on gages
  11. Gage definition requirements
  12. Principles of gage size and full engagement of features
  13. The effect of a gage on a part being measured
  14. Free state and restrained state inspection rules on flexible parts
  15. Go and no-go gage design rules and principles
  16. functional gage design to verify assemblability and orientation in 3d space
  17. Gaging temperatures
  18. Economics of gage design
  19. Gages vs other inspection methods
  20. Plug gages — spherical ended rod gages
  21. Full-form cylindrical ring gages
  22. Snap gages
  23. Setting master disc; setting master ring
  24. Differentiation
  25. Datum feature simulator design, dimensioning and tolerancing
  26. Gage element configuration design, dimensioning and tolerancing
  27. Datum target simulator design, dimensioning and tolerancing
  28. Material condition modifiers on gage elements
  29. Material condition modifiers on datum feature simulators
  30. Design constraints
  31. Coefficient of expansion
  32. Repeatability
  33. Tolerance calculation for gages and fixtures
  34. Tolerance distribution for gages and fixtures
  35. Usage: environmental condition; certification and calibration; referee gaging; principal alignment; measurement force; handling
  36. Similarities and differences between gages and fixtures
  37. Gaging parts that imply the regardless of feature size modifiers

 

Notes

Please note that on the final date of this course, it only goes until 12pm

Dates and locations to be announced.

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