Investigations on extrusion gear of feed mechanism of fused deposition 3D printer

GUO Genqing; WANG Keyong

doi:10.12299/jsues.22-0287

Volume 37 Issue 4

Dec. 2023

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Article Navigation > Journal of Shanghai University of Engineering Science > 2023 > 37(4): 404-408

GUO Genqing, WANG Keyong. Investigations on extrusion gear of feed mechanism of fused deposition 3D printer[J]. Journal of Shanghai University of Engineering Science, 2023, 37(4): 404-408. doi: 10.12299/jsues.22-0287

Citation:

GUO Genqing, WANG Keyong. Investigations on extrusion gear of feed mechanism of fused deposition 3D printer[J]. Journal of Shanghai University of Engineering Science, 2023, 37(4): 404-408. doi: 10.12299/jsues.22-0287

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Investigations on extrusion gear of feed mechanism of fused deposition 3D printer

doi: 10.12299/jsues.22-0287

GUO Genqing,
WANG Keyong^,

School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

Received Date: 2022-09-26
Publish Date: 2023-12-30

Abstract

Abstract

As one of the core components of the fused deposition 3D printer, the feed mechanism is responsible for feeding the filaments into the nozzle and completing the printing. The extrusion gear is the key part of the entire feed mechanism. When the whole machine is working, the extrusion gear is in direct contact with the filaments, and the filaments are fed into the nozzle by friction. The tooth shape and number of teeth of the extrusion gears are studied by means of experiments, and the feed rate in the printing process and the quality of the printed parts are mainly analyzed. The results show that the extrusion efficiency of the helical extrusion gear is higher than that of the straight and concave teeth, but the phenomenon of tooth skipping occurs at a high speed. When working, the more teeth of the extrusion gear, the closer the actual feed is to the theoretical value.
- feed mechanism,
- fused deposition modeling (FDM),
- extrusion gear,
- feed volume

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References(18)

References

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