G1 – Basic GD&T

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*Each section involves practice of calculation and application of geometric tolerances.

Engineering Drawing and GD&T

  • Engineering Drawings
  • Introduction to Dimensioning
  • Dimensioning Rules
  • Co-Ordinate Dimensioning System
  • Geometric Dimensioning and Tolerancing system Myths in GD&T

Definitions and Symbols

Rules and Different concepts of GD&T

  • Limit of size
  • Brief of Rule#1
  • Brief of Rule#2
  • Application of MMC and
  • Bonus Tolerance

Tolerance selection

From Tolerance

  • How to select Form Tolerance
  • Straightness tolerance
  • Flatness tolerance
  • Circularity
  • Cylindricity tolerance

Datum selection

  • How to select Datum
  • Datum feature
  • Datum identification
  • Planar datum
  • Datum feature of RMB
  • Maximum Material boundary
  • Least material boundary
  • Datum shift
  • Datum targets
  • Simultaneous requirement

Positional Tolerance

Tolerance of location-positional tolerance

  • Positional tolerance-RFS
  • Positional tolerance -MMC
  • Positional tolerance-LMC
  • Brief of Multiple segment and composite tolerance
  • Application of projected tolerance zone
  • Simultaneous requirement
  • Positional coaxial control
  • Concentricity
  • Symmetrical relationship

Tolerance of profile

  • Profile tolerance
  • Uniform profile tolerance zone
  • Bilateral tolerance
  • Unilateral and unequal bilateral
  •  All around and all over symbols
  • Different tolerance for different segment of cross section
  • Brief of Non uniform tolerance zone
  • Brief of Composite Tolerance application
  • Application of profile tolerance

Orientation tolerance

  • Orientation tolerances
  • Angularity
  • Parallelism
  • Perpendicularity
  • Tolerance zone for orientation tolerance
  • Orientation tolerance @MMC modifier
  • Projected tolerance

Runout tolerance

  • Tolerance of Runout
  • Datum section for Runout
  • Circular runout
  • Total runout
  • Application of circular runout on a curved surface

 

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