Fundamentals of Geometric Dimensioning & Tolerancing (GD&T) Webinar
Duration: 16 Hours
March 19-April 11, 2013 (8 Sessions
) - via telephone/internet
- Session 1 - March 19 (11:30 a.m. - 1:30 p.m. ET)
- Session 2 - March 21 (11:30 a.m. - 1:30 p.m. ET)
- Session 3 - March 26 (11:30 a.m. - 1:30 p.m. ET)
- Session 4 - March 28 (11:30 a.m. - 1:30 p.m. ET)
- Session 5 - April 2 (11:30 a.m. - 1:30 p.m. ET)
- Session 6 - April 4 (11:30 a.m. - 1:30 p.m. ET)
- Session 7 - April 9 (11:30 a.m. - 1:30 p.m. ET)
- Session 8 - April 11 (11:30 a.m. - 1:30 p.m. ET)
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Geometric dimensioning and tolerancing (GD&T) is used as a symbolic way of showing specific tolerances on drawings. GD&T is a valuable tool that effectively communicates the design intent to manufacturing and inspection. It is governed by the technical standard ASME Y14.5M-1994, which was updated earlier this year. This course introduces participants to the GD&T system, providing a working knowledge of the correct interpretation and application of each symbol, general rules, the datum system, and 'bonus' tolerance and highlighting some of the changes in the updated Y14.5 standard. The material is reinforced with many practice exercises.
Learning Objectives
By connecting with this webinar, you will be able to:
- Explain the benefits of geometric tolerancing
- Identify datum features and determine their order of precedence
- Identify and interpret each of the characteristic symbols
- Describe the material condition modifiers and how "bonus" tolerance occurs
- Correctly interpret GD&T feature control frames, and explain the impact on manufacturing and inspection
Who Should Attend
This course is ideal for anyone who has a need to apply or interpret geometric tolerances on a product print. Product engineers, manufacturing engineers, CAD designers, quality inspectors, and other engineering and manufacturing personnel will all benefit from a better understanding of design requirements; improved communication with customers and suppliers; and improving designs by taking advantage of bonus tolerance and other GD&T benefits. Participants should have an understanding of basic blueprint reading.
Topical Outline
Session 1
- Why Use GD&T?
- Review of traditional dimensioning
- Benefits of GD&T
- Technical standards
- Definitions
- Basic dimensions
- How to read the feature control frame
Session 2
- Rules and the Form Symbols
- Rule #1: Size controls form
- Rule #2: Assume RFS
- Flatness
- Surface straightness
- Circularity
- Cylindricity
Session 3
- Bonus Tolerance
- GD&T applied to a feature of size
- Bonus and the MMC modifier
- Virtual condition
- Gaging and inspection of GD&T
Session 4
- Datums
- Datum vs. datum feature
- The datum reference frame
- Primary, secondary, and tertiary datums
Session 5
- Profile and Orientation
- General definition of profile
- Profile of a line
- Profile of a surface
- Use of datums with profile
- Perpendicularity
- Angularity
- Parallelism
Session 6
- Position Tolerance I
- True position
- Position tolerance RFS
- Using MMC or LMC
- The "boundary" concept
- The pitch diameter rule
Session 7
- Position Tolerance II
- Projected tolerance zone
- Inspecting parts for position
- Calculating tolerance values
- Composite position tolerance
Session 8
- Symmetry and Coaxial Controls
- Concentricity
- Symmetry
- Circular runout
- Total runout
- Wrap-up
Instructor(s): John-Paul Belanger
John-Paul Belanger is president of Geometric Learning Systems, a consulting firm specializing in geometric dimensioning and tolerancing (G D & T). For over ten years, he has trained people throughout North America and Europe in the proper interpretation and application of G D & T per the Y14.5 standard by using practical examples. Mr. Belanger is certified by the American Society of Mechanical Engineers as a Senior G D & T Professional, and has worked with a wide range of companies in the automotive, aerospace, electronic, and other industries to apply tolerances and perform stack calculations. He holds a B.S. in aerospace engineering from the University of Michigan specializing in aircraft design and safety.
Registration Information
Registration for this live webinar is available on a per-person basis, similar to purchasing a seat in a classroom. Participants attend an online session from work or home; anywhere with a PC with internet access (at least 56K) and a telephone. The fee includes one connection to the two hour conference call (toll free telephone number provided for U.S. and select countries*) and assigned personal ID number; one connection to SAE's online training center (via WebEx); and access to a secure course in the SAE Learning Center that contains the webinar presentations, class session recordings, supplemental materials, and assignments.
Registrations will be accepted until 5:00 p.m. the day before the start of the webinar, but early registration is encouraged to allow for pre-course set-up and instructions.
*Global toll-free telephone numbers are provided for many countries outside the U.S., but are limited to those on the WebEx call-in toll-free number list. Check here to see if your country has a global call-in toll free telephone number for this webinar. If your country is not listed, you may still connect to this webinar using the US/Canada Call-in toll number or Voice over Internet Protocol (VoIP).
Test your PC and connection to see if it meets the minimum system requirements for the WebEx online training center before you register. Go to http://www.webex.com/lp/jointest/ and follow the onscreen instructions for "Join Meeting Test".
NOTE: The course presentation will be recorded and made available for 30 days to those who register by the deadline.
Multiple Seat Discount - Does your company have a group of employees who need this course? Register one individual at the appropriate member or list price, then register additional employees at half off the list price. Registration by phone with SAE Customer Service is required to take advantage of this discount. Register all individuals at the same time or mention the confirmation number for the first registrant. The offer is good for only the same webinar offering. All registrants will receive a personal account and opportunity for CEUs.
Cancellations
Can't attend on the date/time above? The presentation will be recorded and made available
for 30 days to those who are registered, regardless of availability for the live session.
If you still need to cancel, transfer to a future offering, or designate a substitute, a
full refund is issued if you notify SAE at least 14 days prior to the webinar start date.
If less than 14 days prior, please contact SAE Customer Service to discuss options*. NOTE:
SAE reserves the right to cancel webinars and cannot be held responsible for related costs
incurred by registrants other than the registration fee.
*Cancellation penalties may apply.
Fees: $945.00
; SAE Members: $756.00 - $851.00
1.6 CEUs
You must complete all course contact hours and successfully pass the learning assessment to obtain CEUs.
To register, click Register button at the top of this page and submit the online form, or contact SAE Customer Service at 1-877-606-7323 (724/776-4970 outside the U.S. and Canada) or at CustomerService@sae.org
.