A CNC (computer numerical control) multi-tasking machine is a type of machine tool that is capable of performing multiple machining operations, such as turning, milling, and drilling, on a single workpiece in a single setup. This allows for increased productivity, as the machine can perform several operations on the workpiece without the need for multiple setups, reducing the time and cost of production.

Multi-tasking machines typically use a single spindle, which can be equipped with a variety of different tools, such as turning tools, milling cutters, and drilling tools. The spindle is usually driven by a high-speed motor, which can rotate at different speeds to accommodate the different types of cutting tools.

The multi-tasking machine is controlled by a computer which can be programmed to control the motion of the machine and to adjust the speed and direction of the spindle, as well as the position of the tool and the workpiece. This allows for precise and accurate machining, and the ability to replicate parts with great precision.

Multi-tasking machines are versatile and can be used to create a wide range of parts, including complex geometries and shapes. They are commonly used in industries such as aerospace, medical, automotive and energy. The precision of the parts and the efficiency of the process are the biggest advantages of multi-tasking machines.

Multi-tasking machines require skilled operators and the ability to program in advance the machining process using specialized software, such as G-code or other forms of CNC languages. They also require specialized tooling and fixtures to be able to produce precise and accurate parts. Also, these machines are expensive and need regular maintenance for optimal performance.