CNC milling machines have the following characteristics:

1. Strong adaptability and flexibility in parts processing: CNC milling machines can process parts with particularly complex contours or difficult to control dimensions, such as mold parts, shell parts, etc.

2. Processing parts that cannot be processed or are difficult to process with ordinary machine tools: For example, complex curve parts described by mathematical models and three-dimensional surface parts can be easily handled by CNC milling machines.

3. High processing accuracy and stable and reliable processing quality: The pulse equivalent of the CNC device of the CNC milling machine is generally 0.001mm, and the high-precision CNC system can reach 0.1μm. In addition, CNC processing avoids operator errors, thereby ensuring the stability of processing accuracy and quality.

4. High degree of production automation: CNC milling machines can automatically adjust tools, workpieces, and processing programs, and control and manage multiple devices through the network, reducing the labor intensity of operators and facilitating production management automation.

5. High production efficiency: CNC milling machines generally do not require the use of special process equipment such as special fixtures. When changing workpieces, it is only necessary to call the processing program, clamping tools and tool data stored in the CNC device, thus greatly shortening the production cycle. At the same time, CNC milling machines have the functions of milling machines, boring machines, and drilling machines, which makes the process highly centralized and greatly improves production efficiency.

6. High requirements for tools: From the cutting principle of CNC milling machines, both end milling and peripheral milling belong to intermittent cutting methods. Therefore, CNC milling machines have high requirements for tools, and the tools need to have good impact resistance, toughness and wear resistance. Under dry cutting conditions, the tools are also required to have good red hardness.

In summary, CNC milling machines have significant advantages in processing accuracy, production efficiency, degree of automation, etc., and are indispensable and important equipment in modern manufacturing.