What is a CNC metal cutting machine? Computer numerical control metal cutting methods mainly include laser, flame, plasma, and etc cutting methods. Among them, fiber laser and plasma metal cutting machines are the most popular. According to the optimized cutting program provided by the CNC nesting software, automatic, high-efficiency and high-quality cutting can be realized. CNC metal cutting represents modern high-tech production methods. Metal cutting CNC machine tools are the product of the combination of advanced computer numerical control technology and cutting machinery. Compared with traditional manual cutting, metal cutting CNC machine tools effectively control and improve the cutting quality and cutting efficiency.