General CNC machining usually refers to the computer digital control precision machining, CNC machining lathe, CNC milling machine, CNC machining boring milling machine, etc.
CNC machining has the following advantages:
① A large number of tooling is reduced, and complex tooling is not needed to process parts with complex shapes. If you want to change the shape and size of parts, you only need to modify the part processing program, which is suitable for the development and modification of new products.
② The machining quality is stable, the machining precision is high, and the repetition precision is high, which can meet the processing requirements of aircraft.
③ In the case of multi variety and small batch production, the production efficiency is higher, the time of production preparation, machine tool adjustment and process inspection can be reduced, and the cutting time is reduced due to the use of the best cutting amount.
④ It can machine complex surface which is difficult to process by conventional method, and even can process some parts which cannot be observed.
The disadvantage of NC machining is the high cost of machine tools, which requires maintenance personnel to have a high level.
