Geometric Dimensioning & Tolerancing Training Course
Learn how to interpret and apply Geometric Dimensioning and Tolerancing (GD&T) symbols, tolerances, and datum references on engineering drawings. This course covers industry-standard practices to ensure precise part and assembly specifications, enabling clear communication and accurate manufacturing.
Overview
Prerequisite
Basic knowledge of reading engineering blueprints and interpreting symbols and dimensions.
Duration
Length: 2 Days
Time: 9:00am to 5:00pm
Location
A-7-3A & A-7-5, AtivoPlaza, Jalan PJU 9/1 Damansara Avenue, Bandar Sri Damansara, 52200 Kuala Lumpur
Syllabus
Lesson 1: Introduction to GD&T
- What is GD&T
- Why we need GD&T
- The 2018 version and the changes
Lesson 2: Datum
- Symbols
- 3-2-1 plane
- Datum simulation
- Placement & selection
- Coplanar & Coaxial
Lesson 3: Feature Control Frame
- Symbols
- The role of FCF
- Type of FCF
- Composite FCF
- Case study & Exercise
Lesson 4: Basic Dimension
- Symbol
- Why is important
Lesson 5: Symbols
- Part 1: Form
– Straightness
– Flatness
– Circularity
– Cylindricity - Part 2: Orientation
– Parallelism
– Angularity
– Perpendicularity - Part 3: Runout
– Circular Runout
– Total Runout - Part 4: Location
- Part 5: Position
– Symmetry (Removed in 2018 version)
– Concentricity (Removed in 2018 version) - Part 6: Profile
– Line profile
– Surface profile - Part 7: Other common symbols
- Part 8: Case Study & Exercise
Lesson 6: Material Condition Modifier
- Regardless of Feature Size (RFS)
- Maximum Material Condition (MMC)
- Least Material Condition (LMC)
- Virtual Condition (VC)
- Taylor Principle
- Bonus Tolerance (BT)
- Datum Shift (MMB)
- Case study & Exercise
Lesson 7: Composite Position Tolerance
- Definition of Composite Position Tolerance PLTZF & FRTZF
- Primary Datum used in lower segment
- Secondary Datum used in lower segment
- Composite Position Tolerance vs Single segment FCF
- Second segment of single segment FCF and its control
Lesson 8: Tolerances
- Equal Bilateral
- Unequal Bilateral
- Unilateral
- Limits
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