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What are CNC Machines?

April 26, 2017CNC machine tool machines

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What are CNC Machines?

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Computer numerical control (CNC) machines are automated milling machines that make industrial components without human assistance. This is possible because CNC machines are fed a series of instructions that are delivered to an internal computer controller. These instructions are in the form of codes that belong to the numerical control programming language.

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Computer numerical control (CNC) machines are automated milling machines that make industrial components without human assistance. This is possible because CNC machines are fed a series of instructions that are delivered to an internal computer controller. These instructions are in the form of codes that belong to the numerical control programming language. The code used to program CNC machines is generically called G-code. However, G-code instructions are only part of the programming language. Specifically, G-codes give CNC machines the coordinates from which to hold and engage the machining tool in order to cut and shape metal to certain specifications. The entire series of codes used to operate CNC machines also include M-codes and T-Codes, which manage the CNC machine and drill tool, respectively. Tooling speed and feed controls are dictated by S-Codes and F-Codes, while X, Y, and Z-codes determine absolute position.