Patent ID: 11906388
Assignee: AMADA CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A laser processing machine comprising:
a laser oscillator configured to emit a laser beam;
a beam irradiation unit including a plurality of optical components and configured to convert a laser beam, which is divergent light, to collimated light and then to condense the light to irradiate a sheet metal;
a photodetection element configured to detect intensity of reflected light reflected by an inspected optical component that is one of the plurality of optical components; and
a control device configured to: execute control in such a manner that a pierced hole is formed, by piercing the sheet metal with a laser beam emitted from the laser oscillator and supplied to the beam irradiation unit, for cutting the sheet metal to manufacture a product, and then the pierced hole is irradiated with a laser beam emitted from the laser oscillator and supplied to the beam irradiation unit as inspection light, the inspection light passing through the pierced hole; and compare, with a threshold, the intensity of the reflected light detected by the photodetection element during the irradiation with the inspection light, to detect whether the inspected optical component is deteriorated, or a degree of the deterioration.