CNC Cutting Machine Practice Test

Which axis moves longitudinally along the bed in a 2-axis CNC machine?

1. X axis

2. Z axis

3. Y axis

4. A axis

The correct answer is: Z axis

In a 2-axis CNC machine, the axis that moves longitudinally along the bed is the X axis. This axis typically represents the horizontal movement from left to right or vice versa as the machine processes a workpiece. Understanding the movement of each axis is crucial for effective operation and programming of CNC machinery. The Z axis generally refers to the vertical movement of the cutting tool or the workpiece, allowing for depth adjustments during machining, while the Y axis moves transversely across the bed, providing lateral movement in conjunction with the X axis. The A axis is more relevant in machines that require rotational movement around a horizontal axis, which is not typically applicable in a standard 2-axis configuration. Thus, the correct answer highlights the fundamental role of the X axis in the operation of a 2-axis CNC machine, integral for achieving accurate longitudinal manipulation of materials along the machine’s working bed.