Geometric Dimensioning and Tolerancing (GD&T) Fundamentals (In-Person)
Course Type:
In-Person
Course Number:
IPPD570Credits:
Language:
Read and create engineering drawings and interpret design intent per ASME Y14.5 - Geometric Dimensioning and Tolerancing (GD&T).
In-Person Course Savings!
Members save 30% and non-members save 15% on all in person courses through September 5th. (This cannot be combined with any other offer)
Use promo code: FALL2026 (Case Sensitive)
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Welcome Back!
The ability to interact with ASME instructors who bring real world experience, examples, and best practices to life in our learning experiences is a major reason learners choose face to face training. Networking with peers is also a valuable part of the time spent together during a course. We are excited to start offering these important courses again in person.
Schedule: This course commences at 8:30 AM and ends at 5:30 PM local time, each day, with breaks scheduled throughout.
September Venue: This course will be held at ASME in Livingston, NJ. Please refer to the Learning & Development venue information page for travel and hotel accommodations.
October Venue: This course will be held in conjunction with the Dimensional and Geometrical Product Specifications and Verification Standards Committee Week (DGPSV) at the DoubleTree by Hilton San Diego Bayside.
November Session: This course will be held in conjunction with ASME Boiler Code Week in Orlando, FL at the Hilton Orlando Buena Vista Palace. Please navigate to this page for venue information.
Please note for the October session: We are not offering the ASME Y14.5 Geometric Dimensioning and Tolerancing (GD&T) Design and Applications Combo Course or the Geometric Tolerancing Applications (GD&T) and Tolerance Stacks course for this session.
Please review our L&D Refund and Cancellation Policy before you buy.
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Not only is ASME’s Y14.5 Standard considered the authoritative guideline for the design language of geometric dimensioning and tolerancing (GD&T); it is essential in ensuring that drawing information and symbols are being interpreted and communicated properly. Establishing uniform practices for stating and interpreting GD&T on engineering drawing and related documents is a critical component of the manufacturing of a part. These good design best practices are directly related to a product’s innovation, beauty and success.
This official ASME course is based on the latest ASME Y14.5-2018 Standard and makes the GD&T concepts easy to learn and apply. By combining lectures with animated graphics and display models, this course aims to ensure that all students are engaged throughout.
By participating in this course, you will learn how to successfully:
- Demonstrate a thorough understanding of the fundamental geometric concepts
- Interpret and explain the application of geometric symbols on drawings
- Explain how to select the datum reference frames properly
- Calculate the position and profile tolerances
Who Should Attend?
Designers, approvers/decision makers, and personnel who need to read and/or interpret engineering drawings and their intent. Staff involved in engineering, designing, drafting, quality control, procurement, tooling, production, purchasing, manufacturing, and CAD inspection.
Course Materials (included in purchase of course):
- A copy of the 400-page GeoTol Pro 2020 Book and Pocket Guide, by Scott Neumann and Al Neumann, which contains full color graphics and loaded with student exercises. The training materials will serve as a valuable resource long after the training is complete
Topics covered in this course include:
- Introduction to Geometric Dimensioning and Tolerancing
- Limits of Size, Rule #1
- How the Geometric Tolerancing System works (Profile and Position Tolerance)
- The Datum Reference Frame
- Product Plans and Position Tolerance Verification
- Orientation Tolerances (Parallelism, Perpendicularity, Angularity)
- Case Study Examples
A Certificate of Completion will be issued to registrants who successfully attend and complete the course.
Topics Covered
Introduction to Geometric Dimensioning and Tolerancing
- General overview
- Geometric characteristic symbols
- Rules, terms and definitions
- Introduction to measurement principles, open set-up and CMM (coordinate measuring machine)
Limits of Size
- Rule #1, size controls form
- Features with & without size
- Problems with plus/minus tolerancing
How the Geometric System Works:
- Introduction to the datum reference frame
- Basic dimensions
- Introduction to position tolerancing
- MMC, LMC, RFS material condition modifiers
- Introduction to profile tolerancing
The Datum Reference Frame:
- Datums, datum features, true geometric counterparts
- Holes, slots, shafts, widths as datum features
- Connection between the theory and physical
- Constraining the 6 degrees of freedom
- Creating a complete datum reference frame
Product Plans
- Product definition drawing, manufacturing process plan, dimensional measurement plan
- Position tolerancing and verification
- Inspection and reporting of position tolerance RFS and at MMC
- Paper gage
Orientation Tolerances
- Parallelism tolerance
- Perpendicularity tolerance
- Angularity tolerance
- The hierarchy of tolerances: location, orientation, form
Practical Application of GD&T (Case study examples)
- Applying GD&T to blank drawings
- Selecting a datum reference frame and calculating tolerances
Scott Neumann
President, GeoTol, Inc.
Scott Neumann is President of GeoTol, Inc. He specializes in geometric tolerancing product definition, tolerance stack-up analysis, measurement data and inspection techniques.
Edward McCarthy
GeoTol, Inc.
Edward McCarthy has 48 years of industry experience in product definition and technical data package. In 2017, he started providing services to industry in consulting, mentoring, and formal training for product definition and design intent.
Brent Bumford
President, Datum Edge, LLC
Brent A. Bumford has over 29 years of manufacturing experience in machining, CNC programming, solid modeling as well as, geometric tolerancing, and advanced machine tool applications.
Matt Taylor
Lead Technical Trainer, GeoTol, Inc.
Matt Taylor has 28 years of Dimensional Management experience across multiple industries and is a member of two ASME GD&T Committees.
More Information
In-Person
Conducted in a physical classroom or lab with an instructor and peers.Note: ASME in-person activities will follow the state and local laws, regulations and guidelines regarding COVID-19 applicable to the location of the event. Learn more here
Please review our L&D Refund and Cancellation Policy before you buy.
If you have any additional questions please review our FAQs, or Contact Us.
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