What does CNC stand for in machining terminology?

CNC stands for Computer Numerical Control, which is a crucial concept in modern machining. This term refers to the method of automating machine tools through the use of computers executing pre-programmed sequences of machine control commands.

In CNC machining, the computer follows a set of coded instructions or a program that directs the machine on how to operate, including movements, speeds, and tool changes. This precision allows for the manufacturing of complex shapes and parts with high accuracy and repeatability, leading to improved productivity and efficiency in machining operations.

The other options, while they sound plausible, do not accurately describe the role of computers in machining processes. For instance, Computer Network Control suggests a focus on networking rather than direct machine operation, and Computerized Navigation Control implies a different domain, possibly relating to movement systems like robotics rather than machining. Controlled Numerical Computer hints at a machine's internal structure but misses the essential aspect of computer control that CNC embodies. Understanding CNC as Computer Numerical Control is fundamental for anyone involved in machining industries and related fields.