Arrangement and method for the on-line monitoring of the quality of a laser process exerted on a workpiece using a heat detection camera and a tilted mirror

摘要

The invention relates to an arrangement (1) for the on-line monitoring of the quality of a laser process exerted on a workpiece (3), comprising
- a laser source transmitting a laser beam (4) to the workpiece (3), the thermal process of the laser beam (4) causing emission of electromagnetical radiation (7) from the process zone on the workpiece (3);
- a heat detection camera (8) for detecting the electromagnetical radiation emitted from the process zone of the workpiece (3),
wherein the arrangement (1) is provided with a tilted mirror (5) such that the laser beam (4) which is transmitted by the laser source is let through the tilted mirror (5) towards the working piece (3), and the electromagnetical radiation (7) emitted from the process zone on the workpiece (3) is reflected by the tilted mirror (5) towards the heat detection camera (8). The invention further relates to a method using such an arrangement (1).