| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a laser beam machining apparatus and machining system by which detection of abnormality can be properly carried out in accordance with the output intensity of a laser light source. <P>SOLUTION: The apparatus includes: a laser light source 53 for outputting a laser beam; a machining means 51 for machining a workpiece W by irradiating it with a laser beam L from the laser light source 53; a light receiving means 58 for receiving the laser beam L from the laser light source 53; and a first informing means 56 which, if the light receiving level R of the light receiving means 53 falls below a first reference value TH1, outputs a first abnormality signal S2 when a first informing condition concerning, for example, the time of the falling below is fulfilled. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
