| Hot End The hot end is one of the most critical components of an FDM 3D printer. It is the part responsible for heating and melting the filament before extrusion through the nozzle. A standard hot end consists of a heater block, thermistor, heat break, and nozzle. The heater block raises the temperature to the required melting point, while the heat break prevents excess heat from traveling upward. Hot ends come in different designs, including all-metal and PTFE-lined, each suitable for different filament types. Choosing the right hot end ensures compatibility with high-temperature materials and reduces clogs, improving print reliability and quality. |
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