CNC (Computer Numerical Control) and machining center are related terms, but they refer to different aspects of manufacturing and machining processes.

    CNC (Computer Numerical Control):
        Definition: CNC refers to the automation of machine tools and 3D printers by means of computer commands to execute pre-programmed sequences of machine control commands.
        Functionality: CNC systems use numerical data to control the movement of a machine tool or other manufacturing equipment. The instructions are typically generated by computer-aided design (CAD) or computer-aided manufacturing (CAM) software.
        Applications: CNC technology is used in various machining processes, including milling, turning, drilling, and additive manufacturing (3D printing). CNC can be applied to different types of machines, such as milling machines, lathes, routers, and more.

    Machining Center:
        Definition: A machining center is a type of machine tool that integrates various machining operations into one machine. It is designed to perform multiple tasks, such as milling, drilling, tapping, and sometimes turning, all in one setup.
        Features: Machining centers often have an automatic tool changer, a tool magazine, and a pallet changer, allowing for efficient and automated production processes. They are highly versatile and can handle complex machining tasks with high precision.
        Types: Machining centers come in various types, such as vertical machining centers (VMC) and horizontal machining centers (HMC), each suited for specific applications.

In summary, CNC refers to the computerized control of machine tools, while a machining center is a specific type of machine tool that incorporates CNC technology to perform various machining operations in a single setup. A machining center is essentially a CNC machine that is designed for versatility and efficiency in handling multiple machining tasks.