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Experimental study on fabrication and evaluation of a micro-scale shaft grinding tool

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Abstract

This paper presents a micro-grinding experiment on AISI 1020 steel and Ti-6Al-4V to study micro-grinding principle and the change rule of the force and surface with different grinding parameters. A novel micro shaft grinding tool is fabricated by cold sprayed with CBN grains, the manufacturing is carried out on a desktop micro machine developed by NEU. Influences caused by particle size on surface quality has been discussed, it has been tested that low surface roughness could be achieved on 3000 particle size of micro shaft grinding tool, the roughness of AISI 1020 steel accomplished in the experiment is about 0.086 μm. Measured micro-grinding force of Ti-6Al-4V decreases with the increasing spindle speed and the decreasing cutting depth. The surface roughness decreases with the increasing spindle speed and the decreasing feed rate. The minimum surface roughness is 325 nm with the spindle speed of 48000 r/min and the feed rate of 20 μm/s.

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Correspondence to J. Cheng.

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Recommended by Associate Editor Taesung Kim

Gong Yadong, born in 1958, is currently a professor and a Ph.D. candidate supervisor at Northeastern University, China. His main research interests include grinding mechanism, digital manufacturing, micro precision process.

Wen Xuelong, born in 1985, is currently a Ph.D. student at Northeastern University, China. His research interests includes micro-grinding process.

Cheng Jun, born in 1981, is currently a lecturer at Northeastern University, China. He received his Ph.D. degree from Northteastern Universtiy, China, in 2011. His research interests include micro precision process, grinding mechanism.

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Gong, Y.D., Wen, X.L., Cheng, J. et al. Experimental study on fabrication and evaluation of a micro-scale shaft grinding tool. J Mech Sci Technol 28, 1027–1037 (2014). https://doi.org/10.1007/s12206-013-1176-6

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  • DOI: https://doi.org/10.1007/s12206-013-1176-6

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