Geometric Dimensioning & Tolerancing (Gd&T) Course

14 Geometric Symbols and Their Applications, Tolerances, and Modifiers for Quality Control, Datums & Datum Target

What you'll learn

GD&T Fundamentals: Applying Geometric Tolerances for Precise Manufacturing

Practical GD&T: Real-World Applications and Industry Standards

GD&T Certification Preparation: ASME Y14.5 Standards Mastery

GD&T: From Basics to Advanced Applications in Modern Manufacturing

Requirements

No design skills needed . you will learn everything from basics to advance level in ASME Y 14.5 Standards

Description

The Geometric Dimensioning & Tolerancing (GD&T) Course provides a comprehensive understanding of how to apply and interpret the internationally recognized system used in engineering and manufacturing to ensure precise and accurate part design and production. GD&T offers a clear and standardized way to define the geometry, form, orientation, location, and runout characteristics of parts, which are crucial for ensuring proper fit and function in assembly. This course introduces students to the 14 fundamental geometric symbols used in GD&T, which include: Flatness, Straightness, Circularity, Cylindricity, Profile of a Line, Profile of a Surface, Angularity, Perpendicularity, Parallelism, Position, Concentricity, Symmetry, Runout, and Total Runout. These symbols define specific tolerances and variations that allow engineers to communicate design intent clearly and accurately.In addition to understanding the geometric symbols, participants will learn about modifiers such as Maximum Material Condition (MMC), Least Material Condition (LMC), and Regardless of Feature Size (RFS), which play a vital role in defining how tolerances are applied based on the size of the feature in question. These modifiers help optimize the manufacturing process by providing flexibility in the tolerance zone, which can improve the efficiency and cost-effectiveness of production while maintaining the required functional relationships between parts.The course also emphasizes the critical role of datums and datum targets in GD&T. A datum is a reference point, line, or plane from which measurements are taken, and it is essential for establishing the orientation and location of the part in 3D space. The course covers how to define primary, secondary, and tertiary datums, and how they relate to the overall part design and its function in the assembly. Datum targets, which are specific points, lines, or areas on the part used to establish references for measurement, are also explored in depth. Students will learn how to select and use datum targets effectively to control part alignment, ensuring that the final product meets precise functional requirements.Understanding tolerances is another core aspect of this course. A tolerance defines the acceptable limit of variation for a dimension or geometrical feature, ensuring that parts fit and function correctly within the broader assembly. The course will teach how to interpret and apply different types of tolerances, including linear, angular, and geometrical tolerances, based on the type of feature and its relationship to other features. The application of position tolerance, in particular, is explored in detail, as it ensures that parts are located within specified limits relative to their datums and other features, essential for achieving accurate assembly and function.By the end of the course, students will gain a strong foundational knowledge of GD&T, empowering them to read, interpret, and create detailed engineering drawings that adhere to international standards. They will also develop the ability to communicate more effectively with manufacturing teams, ensuring that parts are produced accurately, efficiently, and within the required specifications for successful product assembly and performance.

Overview

Section 1: About GD&T

Lecture 1 What is GD&T ?

Lecture 2 Application of GD&T

Lecture 3 Measuring Instrument used in GD&T

Lecture 4 Machines used in GD&T

Lecture 5 Things to know in GD&T

Section 2: Dimensioning

Lecture 6 Dimensioning in GD&T

Section 3: Tolerance

Lecture 7 What is Tolerance?

Lecture 8 Types of Tolerance

Lecture 9 Difference between Coordinate tolerance & Geometric Tolerance

Lecture 10 Application of tolerance

Lecture 11 Application of Tolerance in Manufacturing

Section 4: About Datums

Lecture 12 What is Datum ?

Lecture 13 How Datum is Applied

Lecture 14 How to Apply Datum in Rectangular part

Lecture 15 How to Apply Datum in Cylindrical part

Lecture 16 Positioning of Datum

Lecture 17 External & Internal Datum

Lecture 18 Multiple Datums in one component

Lecture 19 Datum Example

Section 5: About Datum Target

Lecture 20 What is Datum Target ?

Lecture 21 Datum Target in Fix Elements

Lecture 22 Datum Target in Movable Elements

Lecture 23 Datum & Datum Target Requirement

Section 6: Geometrical Tolerance Symbols

Lecture 24 About Geometrical Tolerance

Lecture 25 Form Tolerance - Flatness

Lecture 26 Form Tolerance - Straightness

Lecture 27 Form Tolerance - Straightness - How to read?

Lecture 28 Form Tolerance - Cylindricity

Lecture 29 Form Tolerance - Circularity

Lecture 30 Form Tolerance - Circularity - How to read?

Lecture 31 Orientation - Parallelism

Lecture 32 Orientation - Parallelism - How to read?

Lecture 33 Orientation - Perpendicularity

Lecture 34 Orientation - Perpendicularity - How to read?

Lecture 35 Orientation - Angularity

Lecture 36 Orientation - Angularity - How to read?

Lecture 37 Runout - Total Runout

Lecture 38 Runout - Total Runout - How to read?

Lecture 39 Runout - Circular Runout

Lecture 40 Runout - Circular Runout - How to read?

Lecture 41 Profile - Profile of Line

Lecture 42 Profile - Profile of Line - How to read?

Lecture 43 Profile - Profile of Surface

Lecture 44 Profile - Profile of Surface - How to read?

Lecture 45 Location - Concentricity

Lecture 46 Location - Symmetry

Lecture 47 Location - Position

Section 7: Modifiers

Lecture 48 About Modifier

Lecture 49 Different Symbols in Modifier

Lecture 50 Modifier - Maximum Material Condition with Example

Lecture 51 Modifier - Least Material Condition with Example

Lecture 52 Modifier - Regardless of Feature Size

Lecture 53 Modifier - Tangency Plane

Lecture 54 Modifier - Independency

Lecture 55 Modifier - Translation

Lecture 56 Modifier - Projected Tolerance

Lecture 57 Modifier - Free State

Lecture 58 Modifier - Unequally Disposed

Lecture 59 Modifier - Continous Feature

Lecture 60 Modifier - Conical Taper

Lecture 61 Modifier - Slope Taper

Section 8: Feature Control Frame

Lecture 62 About Feature Control Frame

Section 9: Virtual & Resultant Condition

Lecture 63 About Virtual Condition

Lecture 64 About Resultant Condition

Engineering students,Engineering Professionals,Beginners,Freshers