Manufacturing Technology 2024, 24(3):338-343 | DOI: 10.21062/mft.2024.045

Development and Simulation of a Hybrid Extrusion Mechanism for Enhanced Surface Quality and Precision in FDM 3D Printing

Qing Ge ORCID...1, Yin Wang ORCID...2
1 Hangzhou Vocational & Technical College, Hangzhou 310018, China
2 Zhejiang Sci-Tech University, Hangzhou 310018, China

FDM forming 3D printers may encounter problems such as rough printing surface and poor accuracy during operation. This study mainly utilizes the complementary advantages of piston extrusion mechanism, sliding vane pump extrusion mechanism, and plunger pump extrusion mechanism to design a parallel combination of three nozzle extrusion mechanism, and conducts simulation experiments to verify its effectiveness based on temperature distribution data comparison. It basically avoids the irregular voids and faults caused by the thermal phase change of materials passing through the nozzle during the printing process.

Keywords: FDM molding, 3D printer, Extrusion mechanism

Received: January 23, 2024; Revised: April 28, 2024; Accepted: May 9, 2024; Prepublished online: June 15, 2024; Published: July 1, 2024  Show citation

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Ge Q, Wang Y. Development and Simulation of a Hybrid Extrusion Mechanism for Enhanced Surface Quality and Precision in FDM 3D Printing. Manufacturing Technology. 2024;24(3):338-343. doi: 10.21062/mft.2024.045.
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