Introduction to Geometric Dimensioning and Tolerancing

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  • Course details

    When your design and tolerance constraints are lost in translation, you can end up with out-of-tolerance parts that hold up the manufacturing process and cost you money. Geometric Dimensioning and Tolerancing (GD&T) is a system that engineers and manufacturers can use to communicate essential details of how products are to be manufactured. Engineers need to express required tolerances when they put out a request for quotes, and manufacturers need to tell prospective customers what their limits are. In this course, instructor Kipp Bradford shows how to clearly communicate both of these needs, covering the basics of GD&T from both the engineering and machinist perspectives. Learn about essential GD&T rules, terms, and symbols; GD&T tools in CAD; interpreting GD&T in CAD models; and more.


    • Click here to view Kipp Bradford’s instructor page

      Kipp Bradford

      CTO at Treau/Thermal Avenger • Former MIT Media Lab Scientist • Engineer Of The Future •

      Kipp Bradford is an engineer working at the boundaries of emerging technology and industries.

      He has founded several startups in the fields of HVAC+R, transportation, consumer products, and medical devices, and holds numerous patents for his inventions. His background spans biomechanical and electrical engineering, design, entrepreneurship, and thermodynamics. He has designed and manufactured many products, from toys to air conditioners. When he's not making things, Kipp teaches on the faculty at the Yale School of Architecture. Prior to that, he was on the faculty at the MIT Media Lab, the Rhode Island School of Design, and the Brown University School of Engineering.

    Skills covered in this course

  • Faster, cheaper, better parts

    - [Kipp] Wouldn't it be nice if you could design a mechanical part in a CAD program and then have that part be manufactured exactly to your specifications? All too often, information about how parts will fit together is lost when CAD data is sent to manufacturers. By using Geometric Dimensioning and Tolerancing techniques, this information can be included in the CAD files and used by the manufacturers to ensure quality parts. Failed and out-of-tolerance parts are expensive and they can delay the manufacturing process. These parts often result from incomplete information or a breakdown of communications between the designer and the manufacturer. In this course, we're going to introduce Geometric Dimensioning and Tolerancing. GD&T is a language based on a set of industry standards that will enable you to fully communicate your design and tolerance constraints to a manufacturer. Along the way, we will review symbols and notations from Geometric Dimensioning and Tolerancing standards and…

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