ENGINEERING DRAWING

ENGINEERING DRAWING

ENGINEERING DRAWING

ENGINEERING DRAWING INTRODUCTION


Engineering drawing, more commonly known as engineering graphics, is the art of manipulating designs from a variety of components, especially those related to engineering. It consists mainly of drawing the real component, for example, a machine, with its exact dimensions. The scale of dimensions is adjusted appropriately so that it fits properly to the contours of the drawing sheet.

There are areas of particular focus, as in the case of structural engineering, etc. Another consideration is with respect to the units of measurement used; These could be not only metric or imperial, but the way they are indicated is also relevant.

Engineering drawing is the most important aspect of mechanical engineering, since it is the fundamental need to develop the design and assembly of a machine. Although the interpretation of a component in terms of sketches can be done in several methods, the three most necessary techniques of drawing / projection are:


Perspective projection: this is a simple technique to draw an object as you see one. The position of the observer's eye, the height and distance of the object influence the result of the drawing.


Isometric projection: this projection form provides the total detail of the component under consideration. The basic principle behind the isometric projection is that it involves the consideration of three axes that are inclined to each other forming equal angles (hence the name given that iso means the same) to each other (120 degrees). This is followed by the transfer of the real dimensions to the isometric scale that involves some basic trigonometric calculations.

ENGINEERING DRAWING MATERIAL




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