A real-time monitoring method, device and system for selective laser melting
A technology of selective laser melting and real-time monitoring, which is applied in the field of additive manufacturing to avoid molding defects and improve yield
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[0048] A real-time monitoring method for selective laser melting of the present invention comprises the following steps:
[0049] A1. The corner points of the calibration image are extracted to obtain the calibration parameters on the calibration board of different viewing angles, which are used to convert the molding image information into the actual data of the molding size;
[0050] A2. After the laser scans and forms a layer, collect the forming image information of the forming platform area;
[0051] A3, comparing the forming image information with the design image information, and calculating the error value;
[0052] A4. Judging the error value, if the error value is less than the set value, continue to form the next layer, and if the error value is greater than or equal to the set value, stop working.
[0053] Place the calibration board on different positions of the printing substrate, the image acquisition device acquires each corner point on the calibration board f...
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