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Introduction
Today, engineering drawings are used to define or describe most manufactured parts. In each of these parts, tolerances are specified to cater for the variations encountered in the manufacturing process. This is to ensure that acceptable levels of variation and quality for each geometric feature can be achieved when parts are assembled together to form an engineering product. As mechanical designs can be complex involving numerous parts and sub-assemblies, increasingly more firms are required to specify and interpret Geometric Dimensioning & Tolerancing (GD&T) symbols on these drawings so that better clarity and acceptance rates can be achieved. This course seeks to look at the GD&T language and its related symbols, its concepts and rules as well as to read, interpret and specify them so that greater technical and productivity can be achieved.
Upon successful completion of the course, learners will be awarded an "NTU Certificate of Completion".
Course Availability
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Date(s): 09 to 16 Dec 2024
Time: 9:00AM to 5:00PM (9, 10, 12, 13 and 16 Dec 2024)
Venue: NTU@one-north campus, Executive Centre (Buona Vista)
Registration Closing Date: 19 Nov 2024
- To learn the basic principles and building blocks of GD&T
- To appreciate the merits of GD&T and how it complements conventional tolerancing methods
- To be able to read, specify and interpret GD&T language
- To apply GD&T for technical and economic competitive advantages
Underpinning Knowledge:
- To know the definitions, concepts and rules of the GD&T language and its related symbols.
- To read, interpret and specify the various GD&T symbols in the engineering drawings
- To be exposed to the various gauging tools and techniques used to determine the intended geometric characteristic features.
- Fundamental Review - Co-ord Dimensioning :its Role, Limitations and Consequences - GD&T: An enhanced dimensioning approach
- Essential GD&T concepts - Its definition - GD&T Language : Characteristics & Symbols
- Basic Concepts - Feature & Features of Size - Material Conditions and its Modifiers - Radius and Controlled Radius - GD&T Standard Rules - Boundary Conditions & Virtual Condition - Bonus Tolerance
- Datums - Datum in Co-ordinate Tolerancing - Datums in GD&T - Planar Datums - Datum Targets - FOS Datum Features and Applications
- Form Controls and Tolerances - Flatness - Straightness - Circularity - Cylindricity
- Orientation Controls & Tolerances - Perpendicularity - Angularity - Parallelism
- Tolerance of Position (TOP) - Fundamental Concepts of Positional Tolerance - Interpret RFS and MMC tolerance of position applications - Draw cartoon gauges for MMC applications - Interpret TOP special applications - Calculate limit distances on a part dimensioned with TOP - Calculate tolerance of position values using the fixed and floating fastener formulae
- Concentricity, Symmetry and Runout - Concentricity Control and Applications - Symmetry Control and Applications - Circular and Total Runout - How to Specify, Control and Interpret Runout
- Profile Control Understand profile tolerancing Know how to specify, control and interpret the different profiles
- Worked Exercises and Deliberation
Personnel who need to read engineering drawings. Relevant occupations include:
• Engineering Managers
• Product Designers
• Process and Tooling Engineers and Technical Personnel
• Quality Control Inspectors
• Procurement Personnel
Standard Course Fee: S$1,749.45
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SSG Funding Support |
Course fee |
Course fee payable after SSG funding, if eligible under various schemes |
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BEFORE funding & GST |
AFTER funding & 9% GST |
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Singapore Citizens (SCs) and Permanent Residents (PRs) (Up to 70% funding) |
S$1,605.00 |
S$524.84 |
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Enhanced Training Support for SMEs (ETSS) |
S$203.84 |
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SCs aged ≥ 40 years old |
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- Standard course fee is inclusive of GST.
- NTU/NIE alumni may utilise their $1,600 Alumni Course Credits. Click here for more information.
Dr Lye Sun Woh
Dr Sun-Woh Lye, PhD, FIES, is currently a professor from the School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore. He has taught for more than 20 years at both undergraduate and graduate levels relating to design and manufacturing modules such as Design Optimisation and Analysis, Computer Aided Design, Engineering, Advanced Product Design for Manufacture, Virtual Design for Manufacture, Industrial Design, Machining and Process Engineering. He is also active in conducting of professional engineering courses as well as served as consultant at both project advisory and development roles to companies in his area of expertise. Besides teaching, he had held administrative positions in overseeing of graduate and research programmes, fostering research projects and funding, transfer and commercialisation of technological innovations.
