CNC milling machines have many characteristics, some of the main ones include:

1. High-precision processing: CNC milling machines can achieve high-precision processing, can achieve high dimensional accuracy and surface quality requirements, and are suitable for processing tasks with high part precision requirements.

2. Multifunctional processing: CNC milling machines can complete a variety of processing operations, including plane milling, vertical milling, slotting, drilling, tapping, etc., with strong processing adaptability and flexibility.

3. High-efficiency production: CNC milling machines are controlled by CNC systems and have functions such as high-speed feeding and fast tool change, which can improve production efficiency and shorten processing cycles.

4. Automated operation: CNC milling machines can realize automated processing operations, including automatic tool change, automatic tool length compensation, automatic measurement and other functions, which reduces manual intervention and improves processing efficiency and consistency.

5. Flexible processing design: CNC milling machines can realize the processing of complex parts according to pre-programmed processing paths and programs. CNC milling machines have strong flexibility and programmability.

6. Save human resources: Due to automated operation and high-efficiency production, CNC milling machines can save human resources, reduce labor costs, and improve corporate competitiveness.

7. Easy to operate and maintain: CNC milling machines use an intuitive CNC system interface, which is simple and convenient to operate, easy to learn and use; at the same time, maintenance is relatively simple, reducing equipment downtime.

8. Stable processing quality: CNC milling machines have high processing quality stability due to the use of CNC system control, which can ensure the consistency and stability of parts.

In general, CNC milling machines have the characteristics of high precision, multi-function, high efficiency, automated operation, flexibility, cost saving, etc., and are one of the important equipment widely used in modern manufacturing.