Introduction to Engineering Drawing

A technical person can use the graphic language as powerful means of communication with others for conveying ideas on technical matters. an engineer should posses good knowledge, not only in preparing a correct drawing but also to read the drawing correctly.

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Classification of Drawing
1) Machine Drawing– These drawings are about machine parts.

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2) Production Drawing– A production drawing, also referred to as working drawing, should furnish all the dimensions, limits and special finishing processes such as heat treatment, honing, lapping, surface finish etc., to guide the craftsman on the shop floor in producing the component.
3) Part Drawing– Component or part drawing is a detailed drawing of a component to facilitate its manufacture.
4) Assembly Drawing– Detail drawing of assembly.