Define CNC in the context of precision machining.

In the context of precision machining, CNC stands for Computer Numerical Control. This term refers to the automated control of machine tools via a computer. CNC machines use computer programs to dictate the movement and operation of machinery, allowing for highly precise and consistent manufacturing processes.

The significance of CNC lies in its ability to perform complex tasks with high accuracy while minimizing the potential for human error. By translating design specifications into precise movements and operations, CNC technology enables manufacturers to produce intricate parts with tight tolerances that would be difficult or impossible to achieve with traditional manual machining techniques.

Furthermore, the use of CNC facilitates greater efficiency in production, as it allows for quick setup times and the ability to run multiple parts simultaneously, often 24/7 without direct human supervision. This level of automation is paramount in industries where precision and repeatability are critical, such as aerospace, automotive, and medical device manufacturing.

Overall, understanding the foundational concept of Computer Numerical Control is essential for anyone involved in precision machining, as it embodies the intersection of technology and manufacturing, driving innovation and productivity in the field.