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立体光刻3D打印类螺旋面三重周期极小曲面陶瓷结合剂金刚石砂轮

Stereolithography 3D printing gyroid triply periodic minimal surface vitrified bond diamond grinding wheel.

作者信息

Chen Zhaoqi, Li Kehan, Han Ping, Pan Yuetang, Bai Guoju, Xia Zijing, Xiao Na, Wang Pengyu

机构信息

School of Materials Science and Engineering, Henan University of Technology, Zhengzhou, 450001, China.

School of Civil Engineering, The University of Sydney, New South Wales, 2006, Australia.

出版信息

Sci Rep. 2024 Dec 3;14(1):30054. doi: 10.1038/s41598-024-81641-2.

DOI:10.1038/s41598-024-81641-2
PMID:39627290
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11615369/
Abstract

The pores of vitrified bond diamond grinding wheel play a key role in the grinding process. However, uneven pore distribution and low porosity affect the grinding performance of the wheel significantly. Stereolithography based additive manufacturing provides an effective method to fabricate vitrified bond diamond grinding wheels with a uniform distribution and an interconnected pore structure. The key to high-performance grinding wheel via stereolithography 3D printing lies in the preparation of the slurry with high solid loading, low viscosity and uniform stability. In this study, the dispersion and stability of vitrified bond and diamond slurries were investigated systematically. The effects of resin monomers, surface modifiers, and solid loading on the dispersion, rheological behavior and stability of slurries were studied in detail. Finally, an optimal vitrified bond and diamond slurry for stereolithography based additive manufacturing was obtained, and complex-shaped gyroid triply periodic minimal surface grinding wheel were fabricated. By grinding the SiC ceramics, the material removal rate, grinding temperature, and surface roughness were compared to those achieved using a conventional solid structure grinding wheel. The results show that the gyroid porous grinding wheel can achieve better surface roughness and lower the grinding temperature.

摘要

陶瓷结合剂金刚石砂轮的孔隙在磨削过程中起着关键作用。然而，孔隙分布不均匀和孔隙率低会显著影响砂轮的磨削性能。基于立体光刻的增材制造提供了一种有效的方法来制造具有均匀分布和相互连通孔隙结构的陶瓷结合剂金刚石砂轮。通过立体光刻3D打印制造高性能砂轮的关键在于制备具有高固相含量、低粘度和均匀稳定性的浆料。在本研究中，系统地研究了陶瓷结合剂和金刚石浆料的分散性和稳定性。详细研究了树脂单体、表面改性剂和固相含量对浆料分散性、流变行为和稳定性的影响。最后，获得了一种用于基于立体光刻的增材制造的最佳陶瓷结合剂和金刚石浆料，并制造了复杂形状的类螺旋体三重周期极小曲面砂轮。通过磨削SiC陶瓷，将材料去除率、磨削温度和表面粗糙度与使用传统实体结构砂轮时的情况进行了比较。结果表明，类螺旋体多孔砂轮可以实现更好的表面粗糙度并降低磨削温度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/e8101d86125f/41598_2024_81641_Fig10_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/fedf1847ce5d/41598_2024_81641_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/26087f0ba3a3/41598_2024_81641_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/e8101d86125f/41598_2024_81641_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/39b8764a99a6/41598_2024_81641_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/095ebe10ff54/41598_2024_81641_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/29f5adf977d7/41598_2024_81641_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/0990a6de435c/41598_2024_81641_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/b139a48e60ca/41598_2024_81641_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/c7c48063aec6/41598_2024_81641_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/c5a42fccb075/41598_2024_81641_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/fedf1847ce5d/41598_2024_81641_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/26087f0ba3a3/41598_2024_81641_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/92d0/11615369/e8101d86125f/41598_2024_81641_Fig10_HTML.jpg

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