Universal coaxial process control system for laser materials processing

摘要: To achieve and maintain quality in laser materials processing it is recommended to employ a reliable process monitoring system. Today, systems for make use of different spatially sensors, experimental investigations have shown that the reliability monitored signals can significantly be increased by using camera system with two-dimensional spatial resolution instead an integral detector. The improvement achieved exploiting information provided distributed intensity electromagnetic radiation emitted process. In particular coaxial set up observation direction beam axis allows easy reproducible installation. Based on these results universal control was build up. sensor System consists mainly high speed mounted housing focusing optic. optical path aligned path. images taken from analysed line. adaptable image algorithm. It used keyhole welding thin blanks. case cutting useful, also weak emitting like aluminium.To ...