Thermal Control Unit

A closed-loop chamber thermal control unit for the Anisoprint A3 continuous-fiber composite 3D printer. Report download here

🥇  1st Place · 2024–2025 MIE Senior Design Competition Â· Department of Mechanical & Industrial Engineering, University of Toronto

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Precise and Stable Heating

The system supports operating temperatures from 40 °C to 65 °C. It maintains the setpoint within 0.5 °C while limiting temperature fluctuation to less than 0.5 °C. 

Designed for Uniform Airflow

A custom airflow deflector directs and mixes the heated air to reduce temperature gradients across the printer chamber. The system achieves ±2 °C uniformity throughout the 793 × 640 × 420 mm workspace. 

High-Power Heating

Using forced convection, cool chamber air is drawn into the internal air duct and driven through a 840 W PTC heater for rapid, efficient heating. 

Fully Integrated Prototype

The heater, fan, sensors, control electronics, and user interface are packaged into a single installation-ready unit. Users can set the target temperature remotely and monitor chamber conditions in real time through the integrated display.