The CNC milling machine uses a fully digital AC servo drive. This machine tool consists of 6 parts. Today, let's take a look at its cooling system. The cooling system is composed of a cooling pump, a water outlet pipe, a return pipe, a switch, a nozzle and other parts. The cooling pump is installed in the inner cavity of the machine tool base. The cooling pump pumps the cutting fluid from the reservoir in the base to the water outlet pipe, and then passes through it. The nozzle sprays out to cool the cutting area. From the technical point of view of digital control, because CNC machine tools use servo motors and digital technology to achieve direct control of the working sequence and movement displacement of the execution parts of the machine tool, the gearbox structure of the traditional machine tool is cancelled, so the mechanical structure is also improved. Simplified to a large extent. At the same time, digital control also requires the mechanical system to have high transmission rigidity and no transmission gap, thereby ensuring the execution of control commands and the realization of control quality. Because of the continuous improvement of computer level and control ability, the same CNC milling machine allows more functional components, and it has become possible to perform various auxiliary functions required at the same time. Therefore, the mechanical structure of CNC milling machine is higher than that of traditional machine tools. The integrated functional requirements.