ADDITIVE MANUFACTURING DIAGNOSTICS

Abstract: an example system includes at least one acoustic sensor configured to generate at least one time-dependent acoustic data signal indicative of an acoustic signal generated by an additive manufacturing system performing a process possessing a plurality of process attributes. the process includes depositing material by interaction of an energy beam and a material stream on a build target to form a structure. the system includes a computing device including an acoustic data signal processing module configured to receive the at least one time-dependent acoustic data signal, and transform the at least one time-dependent acoustic data signal to a frequency-domain spectrum. each process attribute of the plurality of process attributes may be associated with at least one respective frequency band. the computing device may further include a correlation module configured to determine a process attribute of the plurality of process attributes by identifying at least one characteristic of the frequency-domain spectrum.

Inventor(s): Taylor K. Blair, Scott Nelson, Benjamin W. Lagow, Matthew R. Gold

CPC Classification: B29C64/386 (Data acquisition or data processing for additive manufacturing)

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