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为薄板焊接而专门研制的精密CO_2激光焊机，其电源采用带集成触发的三相晶闸管调压主电路，通过深度电流负反馈获得垂直陡降的电源外特性，由计算机对电源进行控制，实现激光功率输出的精密自动调节。
Specially developed for sheet metal welding precision CO_2 laser welding machine, the power supply with integrated trigger three-phase thyristor voltage regulator main circuit, through the negative current feedback depth plummeted vertical power characteristics of the external power supply by the computer to control the power to achieve Laser power output precision automatic adjustment.