| 摘要 |
<p>The invention relates to a device that is used to control the quality of an operation involving the laser beam welding, hardfacing or machining of a part. The inventive device consists of at least one gas blow nozzle (1) comprising: an exhaust duct (5) which is used to release a stream of the gas; and at least one photosensitive sensor (3) which is disposed behind the aforementioned exhaust duct (5) such that it can collect at least one light signal emitted during the welding, hardfacing or machining operation, which penetrates said exhaust duct (5). The invention also relates to a method of controlling an operation involving the laser welding, hardfacing or machining of a part.</p> |
