CNC machining has the following advantages:
① The number of tooling is greatly reduced, and complex tooling is not required for parts with complex processing forms. If we want to change the form and size of parts, we only need to modify the part processing program, which is applicable to the development and modification of new products.
② The machining quality is stable, the machining precision is high, and the repeated precision is high, which is suitable for the processing requirements of aircraft.
③ It can reduce the time of production planning, machine tool adjustment and process inspection, and reduce the cutting time due to the use of good cutting amount.
④ It can be used to machine the complex surface which is difficult to machine by conventional way, 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 staff to have a high level.
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