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In 3D printing technology, accurate temperature control of the nozzle and stepper motor is crucial for print quality. This study fabricated NiCr/NiSi thin film thermocouples using magnetron sputtering technology on 0.1 mm polyimide substrates. The thermocouples were calibrated to achieve a Seebeck factor of 39.80 μV/℃ and successfully measured temperatures during actual printing processes. Results show that the stepper motor temperature stabilizes at 55.67 ℃ with significant fluctuations, while the nozzle temperature rapidly reaches 189.62 ℃ and maintains stability. NiCr/NiSi thin film thermocouples demonstrate superior response times and temperature stability compared to traditional K-type wire thermocouples, enabling more precise temperature monitoring for improved 3D printing quality.

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3D Printer Nozzle and Stepper Motor Temperature Measurement Based on Homemade NiCr/NiSi Thin Film Thermocouples

  • 会议论文

  • 发表日期：

    2026年

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  • Chuanyuan Tan

摘要

In 3D printing technology, accurate temperature control of the nozzle and stepper motor is crucial for print quality. This study fabricated NiCr/NiSi thin film thermocouples using magnetron sputtering technology on 0.1 mm polyimide substrates. The thermocouples were calibrated to achieve a Seebeck factor of 39.80 μV/℃ and successfully measured temperatures during actual printing processes. Results show that the stepper motor temperature stabilizes at 55.67 ℃ with significant fluctuations, while the nozzle temperature rapidly reaches 189.62 ℃ and maintains stability. NiCr/NiSi thin film thermocouples demonstrate superior response times and temperature stability compared to traditional K-type wire thermocouples, enabling more precise temperature monitoring for improved 3D printing quality.