How To Read Scale Drawings
Particularly within the design architectural and engineering professions in many instances drawings are printed to an exact size and can therefore be measured via a scale rule.
How to read scale drawings. You may have heard the common term to scale which for those that don t know simply means that every component within a drawing or physical model is in the same proportion to one another and is represented by one of the above common scales. How to convert drawing from feet to meters duration. How to use a scale to read an architectural drawing duration.
Without math we wouldn t have things like maps or model drawings or cars for example. Scale drawings allow us to accurately represent sites spaces buildings and details to a smaller or more practical size than the original. Jwk design 23 227 views.
A scale bar is a linear graphic that is divided into equal segments and used to measure distances on drawings and or maps that are produced to a set scale but not necessarily printed to one. In words a. How to read scale drawings.
When a drawing is described as to scale it means that each element in that drawing is in the same proportion related to the real or proposed thing it is smaller or indeed larger by a particular percentage. Examples include a 3 dimensional scale model of a building or the scale drawings of the elevations or plans of a building. The scale ratio of a model represents the proportional ratio of a linear dimension of the model to the same feature of the original.
Understanding how large or small certain items are essential when reading engineering drawings. Familiarize yourself with the scale of the drawings. The scale can be expressed in four ways.
The difference between the ratio numbers represents the factor by which the scaled image is enlarged or reduced. Believe it or not math is responsible for so many things in our everyday lives. Scale drawings before studying this lesson about scale drawings you should review the lesson about solving proportions since it is not always possible to draw on paper the actual size of real life objects such as the real size of a car or an airplane we need scale drawings to represent the size like the one you see below of a van.
While most engineering drawings are created in scale versions of 1 4 1 8 inches 55 275 centimeters per foot other scales may be used for very large creations.