Optimization Design of Nozzle in 3D Printing of Multi-material Micro-flow Extrusion

ZHOU Jing; LI Di; PING Xuecheng; DUAN Guolin

doi:10.13433/j.cnki.1003-8728.20220164

Volume 42 Issue 12

Dec. 2023

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Article Navigation > Mechanical Science and Technology for Aerospace Engineering > 2023 > 42(12): 2047-2054

ZHOU Jing, LI Di, PING Xuecheng, DUAN Guolin. Optimization Design of Nozzle in 3D Printing of Multi-material Micro-flow Extrusion[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(12): 2047-2054. doi: 10.13433/j.cnki.1003-8728.20220164

Citation:

ZHOU Jing, LI Di, PING Xuecheng, DUAN Guolin. Optimization Design of Nozzle in 3D Printing of Multi-material Micro-flow Extrusion[J]. Mechanical Science and Technology for Aerospace Engineering, 2023, 42(12): 2047-2054. doi: 10.13433/j.cnki.1003-8728.20220164

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Optimization Design of Nozzle in 3D Printing of Multi-material Micro-flow Extrusion

doi: 10.13433/j.cnki.1003-8728.20220164

1.
School of Mechanical Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
2.
School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China

Received Date: 2021-09-23
Publish Date: 2023-12-25

Abstract

Abstract

In order to meet the requirements of continuous multi-material printing and uniform mixing of ceramic 3D printer by micro-flow extrusion, a new structure of extrusion mixing for 3D printer with variable inner diameter screw was designed. It can not only realize one-way transportation of slurry with high solid content inside the nozzle, at the same time, the two materials were mixed evenly by rotating and stirring the screw with variable inner diameter.Through Ansys response surface optimization, the objective function is to achieve the maximum area weighted average velocity at the extrusion head with the minimum pressure.The matching different extrusion speed under different demand of low power consumption and high outputis carried out. In the screw section, the optimum maximum shear rate was taken as the objective function to achieve the uniform mixing of the two ceramic pastes.The results show that the high precision printing with different small flow rates and the uniform mixing of the two materials can be realized under the requirements of low rotation speed and miniaturization of the screw.
- 3D printing,
- variable diameter screw extrusion,
- multi-material ceramic printing,
- response surface optimization,
- parameterized design

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References(15)

References

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