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CNC Machining Handbook: Building, Programming, and Implementation by Alan Overby

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CHAPTER 8CAD and Graphics

I would assume that almost all the readers of this text have already heard of the acronym CAD (computer-aided drafting). However, I will not assume that everyone has worked with it. CAD is the graphical process of drafting a part or an intended area, with vectors, in which CAM operators will be applied. It is most often used as the starting point in the “concept-to-part” process. CAD is extensively utilized in manufacturing industries throughout the world. Once the user is even somewhat proficient with a CAD package, a graphical representation of a part may be drawn (typically to a 1:1 scale) in a fraction of the time it would take to draw with pencil and paper. CAD also allows you to easily edit and make changes to ...

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