VCPD866 - Geometric Dimensioning and Tolerancing for Quality, Inspection and Reporting (Virtual Classroom) has been added to your cart.

Geometric Dimensioning and Tolerancing for Quality, Inspection and Reporting (Virtual Classroom)

This course focuses on how to apply Geometric Dimensioning and Tolerancing (GD&T) in inspection and apply content from the ASME Y14.45-2021 Standard for Measurement Data Reporting.

This Standard was last reviewed and reaffirmed in {{activeProduct.ReaffirmationYear}}. Therefore this version remains in effect.

Geometric Dimensioning and Tolerancing for Quality, Inspection and Reporting (Virtual Classroom)
{{ onlyLocationDate }}
{{ errorMessage }}

Final invoices will include applicable sales and use tax.

Print or Share
Already bought it?

Course Options

  • Location and Date
    Seats Left
    List Price
    Member Price
  • Oct 03-06th, 2022


  • Dec 05-08th, 2022


  • Feb 21-Mar 01st, 2023


  • Apr 17-20th, 2023


  • Jun 20-28th, 2023



Package Items
Quantity Item
{{ package.Quantity }} {{ package.Title }}

Course Schedule:  This course commences each day at 10:30 AM and ends at 2:30 PM Eastern, each day, with breaks scheduled throughout.

Modern GD&T (Geometric Dimensioning and Tolerancing) inspection practice in industry has moved away from simple pass/fail gaging, and increasingly uses measurement equipment that produces numerical results. It’s becoming more important for engineers and others to know how to define numerical values to measure and report at the inspection stage.

This includes hand tools such as height gages and dial indicators, as well as technology such as CMM's (Coordinate Measuring Machines), roundness testers, and 3D laser scanners. A major challenge in using these technologies for GD&T inspection has been a lack of standard definitions for measured values, which has led to significant inconsistencies in the measured values calculated by different systems. This course reviews the ASME Y14.45 definitions for measured values and how to calculate them, as well as providing industry best practices on the content of GD&T inspection reports.
By participating in this course, you will learn how to successfully:

  • Examine a GD&T drawing and identify which numerical values would require verification on an inspection report according to ASME standards, and which would not
  • Describe the actual value of a given geometric tolerance in terms of a zone, and recognize it on a depiction of an actual part feature
  • Identify the correct adjustments available and calculate measured values for form, orientation, location, and runout tolerances from indicator measurement data
  • Compare the options available when reporting actual values for multi-feature GD&T applications, such as Position tolerances on hole patterns
  • Describe potential root causes for discrepancies in GD&T inspection results, relating to metrology software programming and calculation algorithms
  • Complete a GD&T inspection report which includes Method A conformance, Method B measured values, and Method C supplemental data as per the ASME Y14.45-2021 Standard

Who should attend?
Quality Engineers, Design Engineers, Inspectors, Engineering Managers, Supplier Quality Engineers, CMM Programmers, Manufacturing Engineers - anyone who is involved in creating, reviewing, and interpreting GD&T inspection reports.
This course complements Geometric Dimensioning & Tolerancing Fundamentals and expects prerequisite knowledge of the fundamentals in the topic.
Course Materials (included in purchase of course)

  • Digital course notes via ASME’s Learning Platform
  • Exercise sheets
  • Example drawings, measurement data examples and data reports

Supplemental Course Materials (not included with course, purchase separately)

  • ASME Y14.5-2018 Standard
  • ASME Y14.45-2021 Standard
  • GeoTol Pro book or other GD&T textbooks and pocket guides based on ASME Y14.5 Standard are useful but not necessary

This ASME Virtual Classroom course is held live with an instructor on our online learning platform.  Certificate of completion will be issued to registrants who successfully attend and complete the course.

Buying for a team? Get ASME Corporate Training.

Set up a customized session of this course for your workforce. Contact to learn more about group rates.


GD&T Review  

  • Features, Tolerance Zones, Datum Reference Frames 
  • Geometric tolerances as attribute pass/fail characteristics 
  • Difference between geometric tolerancing and plus/minus tolerancing 
  • Basic dimensions 

Actual Values

  • Actual Value concepts and definitions from ASME Y14.5.1-2019 – Mathematical Definition of Dimensioning and Tolerancing Principles 
  • Actual value concept for simple single-feature tolerances – smallest tolerance that the feature will conform to 
  • Actual value concept for mixed tolerance values and simultaneous requirements – Growth Parameter g 
  • Open degrees of freedom and candidate actual values 
  • Geometric tolerances as optimization within constraints 
  •  Measurement data reporting for Size tolerances 
  •  Position tolerances – Axis Method, Surface Method, Equal Bilateral, unequally disposed and unilateral and dynamic 
  • Position tolerances – Surface Method 
  • Measurement data reporting for patterns and groups 

GD&T Inspection Calculations Using Indicator-Type Inspection Equipment

  • Indicator inspection concept – sweeping along a perfect feature counterpart 
  • Perfect features result in reading of zero 
  • Absolute indicator readings versus Full Indicator Movement (FIM) 
  • Connection between geometric tolerance zones and indicator sweeps 
  • Indicator adjustments resulting from tolerance zone transformations 
  • Partial optimization for conformance versus full optimization for actual value 
  • Indicator and workpiece adjustments for form, orientation, and runout tolerances 
  • Calculating measured values from indicator measurement data  

GD&T Inspection Using 3D Coordinate Metrology

  • CMM concept of substitute features versus ASME GD&T concept of high point contact 
  • Sampled point data versus full surfaces 
  • General measuring software versus GD&T verification 
  • Least Squares best fit 
  • Size measurement – Rule #1 and Actual Local Size 
  • Maximum Inscribed and Minimum Circumscribed features 
  • Datum Feature Precedence 
  • Simulating Hard Gage Contact - High Point and Constrained High Point algorithms 
  • Stable alignments versus shiftable 
  • Soft gaging 

ASME Y14.45-2021 Measurement Data Reporting

  • Characteristic identifiers 
  • Method A – Pass/Fail conformance assessment 
  • Method B – Measured Value of Characteristic 
  • Method C – Addition numerical information 
  • Data Report format 
  • Complete reporting and reduced reporting 
  • Basic dimensions 

Evan Janeshewski is the founder and president of Axymetrix Quality Engineering Inc. in Langley, BC.  Evan has more than 20 years of experience teaching GD&T at beginner, intermediate and advanced levels.  He has taught GD&T courses to hundreds of students at companies in a wide variety of industries including aerospace, automotive, medical, electronics, heavy equipment, consumer goods, robotics and automation, and alternative energy.  Evan has also been an adjunct instructor at the British Columbia Institute of Technology (BCIT) since 2000, teaching courses in quality control and metrology. 

Evan is Senior Level GDTP certified to ASME Y14.5.2 has been an active participant in several national GD&T standards committees since 2008: 

ASME Y14.5.1 Mathematical Definitions for Dimensioning and Tolerancing – Vice Chair 

  • Serves as Section Leader for profile tolerancing and developed new definitions for surface profile actual values and multi-feature optimization that were published in the ASME Y14.5.1-2019 standard. 

ASME Y14.45 Measurement Data Reporting – Vice Chair 

  • Serves as a founding member and made extensive contributions to measured value definitions published in the Y14.45-2021 standard including position tolerances, profile tolerances, patterns and optimization. 

ISO TC213 Geometrical Product Definition  

  • Serves as Subject Matter Expert for Canada in the working group for Datums and Datum Systems 

In addition to years of teaching experience in standards-based GD&T implementation, Evan also has extensive industry experience to draw from.  Using a data-driven approach with leading-edge 3D metrology and analysis tools, Evan has focused on improving the effectiveness of GD&T in design, manufacturing, inspection, and procurement sectors.  He has provided expertise in mechanical fit and function analysis, tolerance stackup calculations, GD&T inspection methods, coordinate measuring machine programming and software, point cloud metrology and 3D fitting, measurement data reporting and dimensional root cause analysis. 
Evan Janeshewski has a Bachelor of Applied Science degree from the University of British Columbia and an Advanced Diploma in CAD Programming from the British Columbia Institute of Technology.  He is an American Society for Quality (ASQ) Senior Member and Certified Quality Engineer. 


Get papers online in the ASME Digital Collection

Find eBooks, journals, and proceedings papers
Subscribe to RSS feeds
Sign up for content alerts
View calls for papers

You are now leaving