Tolerance Stack-Up

4720

Category:
  • Course fee Includes 6 months of membership and Telephonic Personal consultation for any Tolerance Stack-up related issue.
  • For Company – Drawing review and Expert Suggestions, Design and detail engineering. Helping hand in Loop formation and reviewing stack-up analysis.

 

  1. Understanding of Basics of GD&T (Couple of hours)

  • Tolerance zones, envelopes for All Geometric tolerancing.
  • Rule#1
  • Rule#2
  • Form Tolerances – Straightness, Flatness, Circularity, Cylindricity
  • Datum, 3-2-1 principle and Envelopes
  • Position Tolerance
  • Orientation Tolerance
  • Concentricity
  • Symmetricity
  • Profile of a Line, Profile of a surface
  • Circular and Total runout
  1. Tolerance
  • What, Why
  • Limits- Fits and Tolerances
  • Precision and Accuracy
  • Various Fits
  1. Tolerance Stack-up

  • Myths in Tolerance Stack-up
  • What is tolerance Stack-up Analysis?
  • Why to do tolerance Stack-up Analysis?
  • Benefits tolerance Stack-up Analysis
  • What are the driving factors in Stack-up analysis
  • Assumptions and ways of doing stack-up
  • Steps to be followed
  • Rules preparing Loop diagram
  • Converting all toleracing system to equal bilateral system
  1. Examples Practice (Part Level and Assembly Level)
  2. Fixed and Floating Formulas and Concept
  3. Converting GD&T to Normal ± tolerance to use in stack-up analysis
  • Few terminologies (VC, RC, OB and IB, Datum shift)
  • Form Tolerances – To include in Tolerance stack-up or not
  • Orientation Tolerances on surface and on feature of size
  • Profile (Composite tolerance effect as well)
  • Positional Tolerance (Composite tolerance, when and how to include segments)
  • Datum shift assumption in Tolerance Stack-up
  • Runout Consideration
  • Symmetry and Concentricity
  1. Radial Tolerance Stack-up
  2. Part With Dimension and tolerance at an angle
  3. Statistical Tolerancing (RSS and MRSS)

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