What does 'G0' code indicate in G-code?

The 'G0' code in G-code is used to instruct the CNC machine to perform rapid positioning of the tool. This means that when 'G0' is executed, the machine will move the tool as quickly as possible to the specified coordinates without engaging in any cutting action. This rapid movement is crucial for efficiency, as it minimizes the time spent moving the tool to its next starting position.

In contrast to cutting operations, which may require controlled speed and feed rates to achieve a desired finish or shape, 'G0' ensures that the movement between cuts is performed at the highest speed feasible for the machine. Understanding the function of 'G0' is essential for programming CNC operations effectively, allowing for quick transitions between different machining tasks while maintaining precision in positioning.