Design of Mechanical Structure of an Extrusion-type 3D Printer


The paper independently designs a new extrusion-type 3D printer based on FDM process. Its mechanical parts adopt high-precision ball screw-driven slide unit of gantry three-axis platform structure. The paper also conducts selection and calculation of mechanical parts, and designs a special extrusion mechanism by combining with characteristics of viscous liquid materials. The design effectiveness is finally verified through experiments.

Design of Mechanical Structure
Design of Controller Base Platform Structure
Design of Coordinate Platform Structure
Design of Extrusion Mechanism Structure
Final Determination of Extrusion Nozzle
Experiment and Conclusion

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