In-situ quality comprehensive evaluation method for selective laser melting technology

The invention discloses an in-situ quality comprehensive evaluation method for the selective laser melting technology. The in-situ quality comprehensive evaluation method for the selective laser melting technology comprises the following steps: S1, collecting laser radiation intensity data and a molten pool image in the selective laser melting process; S2, analyzing the laser radiation intensity data collected in the step S1 by using a laser radiation intensity data analysis system; S3, analyzing the molten pool image collected in the step S1 by using a convolutional neural network-based selective laser melting molten pool image analysis system; and S4, performing comprehensive evaluation on the in-situ quality of selective laser melting by combining analysis results of the step S2 and the step S3. The evaluation method disclosed by the invention is high in intelligent degree; meanwhile, mass data collected in the selective laser melting process are processed in real time, and the processing speed is high; th