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INTEGRATED INSPECTION SYSTEM FOR 3D PRINTING PROCESS BASED ON THERMAL IMAGE AND LASER ULTRASOUND WAVE AND 3D PRINTING SYSTEM HAVING THE SAME
INTEGRATED INSPECTION SYSTEM FOR 3D PRINTING PROCESS BASED ON THERMAL IMAGE AND LASER ULTRASOUND WAVE AND 3D PRINTING SYSTEM HAVING THE SAME
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机译：基于热图像和激光超声波和3D打印系统的3D打印过程集成检查系统
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摘要
Disclosed are an integrated inspection system for a 3D printing process using a thermal image and a laser ultrasound wave and a 3D printing system having the inspection system. The inspection system includes a thermal imaging camera for creating a thermal image of a molten pool formed in a printing object when a base material supplied to the printing object is melted by a laser beam irradiated from a 3D printing laser source, a laser ultrasonic device for receiving a laser ultrasonic wave included in the laser beam reflected from the printing object, and a control unit for estimating a physical property of the printing object and detecting a defect of the printing object based on the thermal image created by the thermal imaging camera and the laser ultrasound wave received by the laser ultrasonic device. The thermal imaging camera and the laser ultrasonic device are disposed coaxially with the 3D printing laser source.
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