From the course: Engineering Drawings for Manufacturing
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Limit a part's geometric variation with tolerances
From the course: Engineering Drawings for Manufacturing
Limit a part's geometric variation with tolerances
- [Instructor] A CAD model represents the theoretically perfect part that the engineer designed. But when it comes time for manufacturing, the real parts are never going to be perfect. Engineers use tolerances to specify the amount of variation from the perfect geometry that is acceptable. In this video, we will show you how to represent tolerances on a drawing and how to best convey your design intent to machinists. Even when a manufacturing process is reliable and well controlled, each dimension will have a statistical variation between parts. Managing this variation is a team effort that engages multiple people in a manufacturing company. Design engineers set tolerance limits based on the functional requirements of the part. Then based on these limits, manufacturing engineers work with machinists to select a capable process and tooling. Once manufacturing begins, quality engineers work closely with machinists to keep…
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