Journal of the Korean Society of Industry Convergence (한국산업융합학회 논문집)

The Korean Society of Industry Convergence (한국산업융합학회)
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Design of the Spur Gear with Honeycomb Lattice Structure and PBF Printing

  • Chul-Kyu Jin (School of Mechanical Engineering, Kyungnam University)
  • Received : 2023.06.18
  • Accepted : 2023.07.31
  • Published : 2023.08.31
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Abstract

In this study, the spur gear with honeycomb lattice structures are designed. The pitch diameter and body length of the spur gear are Ø93 mm and 104.0 mm, respectively. The designed gear was printed using Powder bed fusion (PBF) 3D printer. The gear is 3D printed perfectly. Even the teeth and honeycombs of the gear were output in the same way as the design shape. The printed gear with honeycomb lattice structure has a 24% smaller cross-sectional area and 29% smaller volume and weight than conventional solid structure gears. The surface roughness is approximately 4.5㎛, and the hardness is 345 HV.

Keywords

Acknowledgement

This work was supported by the Energy technology development program (20206310200010, Advanced Remanufacturing of industrial machinery based on domestic CNC and building infrastructure for remanufacturing industry) funded By the Ministry of Trade, Industry & Energy(MOTIE, Korea). These results were supported by "Regional Innovation Strategy (RIS)" through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE)(2021RIS-003).

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