Traditionally, 2D drawings have been made manually using drafting equipment, i.e.
(Some 2D drawings will be detailed views of particular features.) The relationship between the various drawings is usually explained via an assembly drawing. Typically, a drafter or engineer will submit a set of 2D drawings, each of which shows the part from a different view or angle.
Besides the part geometry, a drawing will contain quantitative information such as dimensions and tolerances, and qualitative information such as the part’s designated materials and surface finishes. But these two-dimensional views are just one feature of a 2D technical drawing. Unlike a digital CAD file, which represents an unmade part in three dimensions, an engineering drawing represents the part in two dimensions. In the world of engineering, a 2D drawing or engineering drawing is a type of technical drawing that conveys information about a part, such as its geometry, dimensions, and acceptable tolerance. This article looks at the basics of 2D drawings in engineering: what they are, how they work in relation to digital 3D models, and why you should still submit them to the manufacturing company along with your CAD file. These 2D drawings might seem outdated compared to CAD, but they are still an important way to provide information about part design - especially information that a CAD file can’t easily convey. the creation of detailed, annotated engineering drawings. Engineers can now design a part using CAD software, send the digital file to a manufacturer, and have the manufacturer make the part directly from the file using digital manufacturing techniques like CNC machining.īut although digital files have made manufacturing faster and simpler, they haven’t totally replaced the art of drafting, i.e.
Digital 3D files have changed the way engineers work with manufacturers.
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