Advantages and Disadvantages of computer numerical control

It can produce jobs with the highest accuracy and precision than any other manual machine.
It can be run for 24 hours a day. It has higher flexibility and consistent quality.
The parts produced by it have the same accuracy. There is no variation in the parts manufactured by a CNC machine. They increased productivity and operation safety.
A highly skilled operator is not required to operate a CNC machine. A semi-skilled operator can also operate accurately and more precisely.
Operators can easily make changes and improvements and reduce the delay time.
It can produce complex designs with high accuracy in the minimum possible time. They reduced scrap rate, nonproductive time, nonpower, load time. Performed reliable operations
The modern design software, allows the designer to simulate the manufacturer of his/her idea. And this removes the need of making a prototype or model and saves time and money.
Fewer workers are required to operate a CNC machine and saves labor costs.

Despite having so many advantages, a CNC machine has some disadvantages too and there are:
The cost of the CNC machine is very high as compared with manually operated machines.
The parts of the CNC machine are expensive.
The maintenance cost in the case of CNC is quite high
It does not eliminate the need for costly tools.
They have costly setup and skilled operation.
Required computers and programming knowledge.
Their maintenance is difficult.
Machines have to be installed in air-conditional places.

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