Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 14, issue 1
Articles | Volume 14, issue 1
https://doi.org/10.5194/jsss-14-99-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jsss-14-99-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 1
Regular research article
 | 
19 Jun 2025
Regular research article |  | 19 Jun 2025

Ultrasonic time-of-flight measurements for inline gas analysis and process monitoring in the phenolic urethane cold box process

Jakob Sablowski, Muhammad Talal Asghar, Mohammed Shakeer Khan, Michal Szucki, and Christian Kupsch

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Short summary
We developed a measurement system to improve sand core production in foundries. Sand cores are essential for creating complex shapes in metal casting. Our system uses ultrasound waves to monitor the curing process, indicating how much of the catalyst remains in the exhaust gas. This real-time monitoring allows manufacturers to optimize the process, reducing waste and enhancing product quality. We tested the system on a lab-scale core-making machine and demonstrated its effectiveness.
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