Engineering Drawing Scale

20 x 12 scale factor 240 architectural scales.

Engineering drawing scale.

To convert an architectural drawing scale to a scale factor. A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length. Student performance objective given an architect or engineer scale and a set of scaled drawings you will be able to select the correct scale tool and interpret dimensions with 100 percent accuracy. It can be indicated in two different ways.

An engineering scale also known as an engineer s scale is actually a type of ruler that produces ratio drawings. For example with an engineering scale it is possible to manually create a drawing that is ten times larger or ten times smaller than the original that the engineer is drawing from. Technical drawing has existed since ancient times. 1 20 multiply the feet by 12.

8 1 x 12 scale factor 96. To put simple it is the ratio of your drawing s size to the size of actual object. First check the drawing scale is accurate as above. Select the desired scale.

Select the desired scale. To convert an engineering drawing scale to a scale factor. Use a engineering scale. Multiply the measurement on the drawing with the denominator.

Construction and fire protection equipment drawings must be interpreted with a high degree of accuracy. Blueprint drawings are typically drawn in. 1 8 1 0 invert the fraction and multiply by 12. Where the denominator is the number after the colon.

Complex technical drawings were made in renaissance times such as the drawings of leonardo da vinci modern engineering drawing with its precise conventions of orthographic projection and scale arose in france at a time when the industrial revolution was in its infancy. Most of engineering students get confused about scale reduction and enlargement. If the object you sketch is 50 cm 500mm long but your drawing is 5cm 50mm long scale is 1 10. 1 20 1 50 or 1 100 si units or.

The smallest division on the scale is 1 4 here the plate thickness is not dimensioned but the scale reads 2 divisions or 1 2 check several other dimensions on the drawing to be sure the drawing is to scale. Scale is the ratio of the linear dimension of an element of an object as represented in the drawing to the real linear dimension of the same element of the object itself. 1 4 or 1 8 imperial units us scales. Example blueprint drawing scale 1 50.

The number 1 means 1 graduation of 1 inch represents 1 foot. To scale a si drawing. Usually the word scale is used for an instrument used for drawing straight lines.