| 摘要 |
PURPOSE:To perform laser working uniformly and efficiently by installing additionally a relative speed arithmetic unit of a workpiece and a speed output controlling device in a laser working device that makes shift control of a work station. CONSTITUTION:Laser light 12 from a laser oscillator 11 is condensed by a condenser lens 15 and irradiated on a workpiece 14 on a work station 18 to make working such as cutting, piercing, welding etc. The work station on which the workpiece is placed is shifted in the direction of X axis and Y axis to form an irradiating point 16 of the laser light 12 to a specified shape, and the workpiece 14 is laser-worked. In this case, the relative speed of the workpiece 14 to the laser irradiating point 16 is calculated by a relative speed arithmetic unit 22, and pulse outputs of the laser light and continuous outputs are changed according to the calculated value. The quality of working by laser light is made uniform against rise and fall of the relative speed of the laser irradiating point 16 and the workpiece 14, and changes speed at the time of acceleration and deceleration. Further, working time is shortened and working is performed effectively. |
