CNC machining directly means that it is computer numerical control, which is a processing technology widely used in the manufacturing industry. For example, the machining of curved surfaces is almost impossible to process with ordinary machine tools without CNC.
In addition, CNC can easily realize a flexible manufacturing system. Ordinary machine tools are processed by people directly controlling the machine tools, while CNC machines are controlled by people by controlling the CNC machining system, so as to achieve more complex and higher-speed processing.
CNC machining can greatly reduce the number of tooling, and machining parts with messy shapes does not require messy tooling. If you want to change the shape and size of the part, you only need to modify the part processing program, which is suitable for new product development and modification. The processing quality is stable, the processing precision is high, and the repeatability is high, which is suitable for the processing requirements of aircraft.
In the case of multiple types and small batches of production, the production efficiency is high, which can reduce production preparation, machine tool adjustment and process inspection (process inspection refers to the process of preventing unqualified products from flowing into the next process. The inspection time of the main process elements of quality is calculated by the machining center, and the cutting time is reduced due to the use of the optimal cutting amount. In addition, it is possible to process complicated surfaces that are difficult to process by conventional methods, and even some unobservable machining can be processed. part.
The price of ordinary milling machines is low, but the efficiency of mass production is low, the processing quality is greatly affected by the technical level of the operators, and the processing consistency is not good. CNC machining has high efficiency in mass production, good machining consistency and stable quality. However, the cost of machine tools is expensive, and programming takes a lot of time when the number of processing is small, which is not cost-effective. Repair personnel are required to have a higher level.
