Engineering Drawing Scale

1 20 1 50 or 1 100 si units or.

Engineering drawing scale. First check the drawing scale is accurate as above. A scale ruler is a tool for measuring lengths and transferring measurements at a fixed ratio of length. Where the denominator is the number after the colon. It can be indicated in two different ways.

8 1 x 12 scale factor 96. If the object you sketch is 50 cm 500mm long but your drawing is 5cm 50mm long scale is 1 10. Select the desired scale. Multiply the measurement on the drawing with the denominator.

To scale a si drawing. 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. 1 4 or 1 8 imperial units us scales. To put simple it is the ratio of your drawing s size to the size of actual object.

The number 1 means 1 graduation of 1 inch represents 1 foot. Technical drawing has existed since ancient times. Most of engineering students get confused about scale reduction and enlargement. Engineers typically use this scale for drafting and blueprint creation.

Usually the word scale is used for an instrument used for drawing straight lines. Use a engineering scale. Construction and fire protection equipment drawings must be interpreted with a high degree of accuracy. Blueprint drawings are typically drawn in.

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. 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. To convert an engineering drawing scale to a scale factor. Select the desired scale.

To convert an architectural drawing scale to a scale factor. 1 8 1 0 invert the fraction and multiply by 12. 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. An engineering scale also known as an engineer s scale is actually a type of ruler that produces ratio drawings.

Two common examples are an architect s scale and engineer s scale in scientific and engineering terminology a device to measure linear distance and create proportional linear measurements is called a scale. 1 20 multiply the feet by 12. But actually in engineer s language scale means the proportion or ratio between the dimensions adopted for the drawing and the corresponding dimensions of the object.