In-process Monitoring (NAMIC)
Conversion of in-process optical and thermal data into 3D file representing printing process in Powder Bed Fusion process
While in-process monitoring systems are being developed to inspect quality of 3D-printed parts. There is yet a well-established analysis method that specifies the procedures and requirements to extract layer-wise information representing the printing process for quality evaluation.
Impact (Standardization Gaps)
The proposed work addresses the gap in Process Control (PC16: In-Process Monitoring) which specifies the procedures to convert the acquired in-process data into 3D file representing the printing process. It will leverage on the development of ASTM E07 (WK62181), which aims to provide guidelines for in-process monitoring of 3D printed metal parts.
This work employs the off-axial system monitoring system established from previous projects to acquire optical and thermal images of the Powder Bed Fusion process. Image analysis is then performed on the acquired images to extract structured data representing the printing process. From the layer-wise data, we will develop a procedure to construct a 3-D file embedding with parameters both representing the printing process and useful for quality evaluation.
Technical reference for conversion of in-process optical and thermal data into 3D file representing the printing process in Powder Bed Fusion.