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CNC Machining

CNC Machining is a process used in the manufacturing sector that involves the use of computers to control machine tools. Tools that can be controlled in this manner include lathes, mills, routers and grinders. The CNC in CNC Machining stands for Computer Numerical Control.

The process involves creating a CAD (Computer Aided Design) file of the desired object. Then a specialized CAM (computer aided Manufacturing) software is required to convert the 3D CAD file into a set of codes which the machines can understand. CNC machining language, called G-code essentially controls all features like feed rate, coordination, location and speeds. With CNC machining, the computer can control exact positioning and velocity.

CNC history

CNC is the acronym for Computer Numerical Control. It is an outgrowth of the older term "NC", which stands for just "Numerical Control". It refers to the idea of controlling machine tools via computer. ... But the advent of first NC and then later CNC radically increased the amount of automation that was possible.

Materials Used

Almost any material can be used in a CNC machine. It really depends on the application. Common materials include metals such as aluminum,brass, copper, steel, and titanium, as well as wood, foam, fiberglass, and plastics such as polypropylene.