| 摘要 |
<p>A laser beam machine for controlling the length of a propagation path according to the position of a machining head (2) by allowing a laser beam oscillator (3) to communicate with the machining head (2) via the propagation path, comprising a machining area setting means for dividing a machining area at a predetermined interval, an optical path position determining means for setting the optical path position according to the machining area, and an optical path length control means (7) for controlling the optical path length according to the optical path position determined by the optical path position determining means by determining the position of the machining head (2).</p> |
