High-accuracy infrared thermography measurements of polymer additive manufacturing

Marc Genest; Liam Reynolds; Richard G. Cole

doi:10.1117/12.2663359

12 June 2023 High-accuracy infrared thermography measurements of polymer additive manufacturing

Marc Genest, Liam Reynolds, Richard G. Cole

Author Affiliations +

Proceedings Volume 12536, Thermosense: Thermal Infrared Applications XLV; 1253606 (2023) https://doi.org/10.1117/12.2663359
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States

Abstract

As part of on-going research into filament-based Material Extrusion (MEX; aka Fused Filament Fabrication) polymer additive manufacturing, a modified industrial printer equipped with an infrared (IR) window was used to perform temperature measurements using infrared thermography. The IR window allowed the measurements to be taken without interfering with the printing process; i.e. with the printer door closed, and with build plate and build volume heated to printing conditions. The IR camera, lens and IR window system was calibrated using a black body calibration source, and the effects of the IR window on the temperature measurements were determined. This paper covers the calibration process and steps required to obtained high accuracy temperature measurements, within 3°C of the printer’s build plate. In addition, examples of measurements obtained from prints of various polymers are presented.

Conference Presentation

Citation Download Citation

Marc Genest, Liam Reynolds, and Richard G. Cole "High-accuracy infrared thermography measurements of polymer additive manufacturing", Proc. SPIE 12536, Thermosense: Thermal Infrared Applications XLV, 1253606 (12 June 2023); https://doi.org/10.1117/12.2663359

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