What is the function of Computer Numerical Controlled operation (CNC)?

The function of Computer Numerical Controlled (CNC) operation is to automate the control of tools and machinery through programmed commands. This technology allows for precise and consistent manufacturing processes, where a computer program directs the movements and operations of machines such as mills, lathes, and routers. CNC systems convert designs made in CAD (Computer-Aided Design) software into precise movements of machinery, enabling complex shapes and detailed features to be produced with high accuracy.

This automation significantly enhances efficiency, reduces human error, and allows for rapid production of intricate parts, making it particularly valuable in fields such as automotive, aerospace, and manufacturing. The reliance on programmed commands as opposed to manual control distinguishes CNC operations, ensuring that the processes are repeatable and scalable. Thus, the emphasis on automation through programming is what makes this option the correct answer.