What is drafting machine arm?

A drafting machine arm is a mechanical device used by architects, engineers, and artists for accurate drawings. It consists of a horizontal arm that moves on a vertical column or track and carries a drafting head or table at one end. The drafting head can be adjusted to different angles and positions for precision drawing. The arm can also be locked into position, allowing the user to maintain a consistent angle and line weight.

Drafting machine arms are commonly used for technical drawings, such as blueprints and schematics. They are designed to be highly accurate and precise, with minimal deviation from the desired angle or position. This makes them ideal for tasks that require detailed and specific measurements, such as architectural plans or engineering diagrams.

Modern drafting machine arms are often computerized, with digital controls that allow the user to program specific settings and angles. This has made drafting much faster and more efficient, while also increasing the accuracy and consistency of the final product. However, traditional manual drafting machine arms are still widely used by many professionals who value the tactile nature of the process and the ability to adjust drawings on the fly.