NIMS Computer Numerical Control (CNC) Machining Practice Exam

The command G02 in CNC programming is specifically used to indicate an arc movement in a clockwise direction. When this command is utilized, it instructs the CNC machine to create a circular arc based on the parameters specified, including the center point and the endpoint of the arc. This functionality is essential in machining operations where circular cuts are required, allowing for smooth transitions and precise shaping of the workpiece.

The programming for G02 typically includes additional information, such as the coordinates for the end point of the arc and the center point of the circle, which tells the machine exactly how to execute the movement in a controlled manner. Understanding G02 is critical for effective CNC programming, as it directly influences the tool path and the quality of the machined part.

The other types of commands, such as rapid moves or linear interpolation, serve entirely different functions in CNC programming and do not relate to arc movements in either direction.