| 摘要 |
PROBLEM TO BE SOLVED: To safely and precisely apply the laser beam machine by indirectly observing the state in a laser beam machined part instead of the naked eye. SOLUTION: In a laser beam machining head, an exiting end 9 of an optical fiber 2 introducing the laser beam LB generated with a laser beam generator into the laser beam machining head 1 is arranged, and a collimate lens 17 forming the laser beam emitted from the exiting end into a parallel beam and a condenser lens 5 for condensing the laser beam collimated into the parallel beam with the collimate lens to the material W to be machined, are arranged. Further, an image pickup device 41 directly picking up the machining part of the material to be machined is arranged in a condenser lens holding cylinder 3. |
