Computer Numeric Control, Advantages and Disadvantages of CNC

Computer Numeric Control

A system in which actions are controlled by the direct insertion of numerical data at some point. The system must automatically interpret at least some portion of this data.

Advantages and Disadvantages of CNC 

Advantages of CNC

High Repeatability and Precision e.g. Aircraft parts.

Volume of production is very high.

Complex contours/surfaces can be easily machined.

Flexibility in job change, automatic tool settings, less scrap.

More safe, higher productivity, better quality.

Less paper work, faster prototype production, reduction in lead times.

Disadvantages of CNC

Costly setup, skilled operators.

Computer programming knowledge required.

Maintenance is difficult.

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