Engineering drawings not only need to communicate precisely, they also need to be correct. A drawing error can impact money, me, material and customer satisfaction if not detected and corrected early. Dimensioning and tolerancing standards ensure common rules and conventions are followed for specifying dimensions and tolerances. There are two major Dimensioning and Tolerancing used around the world. The ASME standard published by the American Society of Mechanical Engineers is predominately used in US and many other countries. Second one is ISO standards, published by International Organization of standards. Geometric Dimensioning and Tolerancing or GD&T is an symbolic language used in defining the geometry of mechanical parts. It comprises dimensions, symbols, definitions, rules, and conventions which illustrates the functional requirements of each feature of the design model. Precisely, GD & T is the exact language that helps mechanical engineers, fabricators, and designers to communicate regarding the design model.
This course is suitable for beginner and aspiring professionals with little or no experience. Also, it is recommended for anyone who has a passion for a career in designing. GD&T facilitates and simplifies gaging requirement. As GD&T is widely used in drawings, it is a must learn for anyone looking for a career in Design.
The course will help students and professionals understand the fundamentals of the GD&T
language and learn how to incorporate the same in a drawing. This will guide students to comprehend Geometric Tolerancing and will assist them in becoming a certified GD&T associate.
Dimensions and drawings
Ways of expressing tolerance
Introduction to “ASME Y14.5M-1994”
GD & T rules
Maximum Material Condition of a feature of size
Least Material Condition of a feature of size
Concept of bonus tolerance
Modifiers and symbols
Duration: 20 Hrs
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