Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill

DU Yuchao; LIANG Zhiqiang; CHEN Jianjun; LI Yu; MA Dan; CAO Yuxuan; LI Shidi; WANG Xibin

doi:10.13394/j.cnki.jgszz.2020.5.0006

Volume 40 Issue 5

Oct. 2020

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Article Navigation > Diamond & Abrasives Engineering > 2020 > 40(5): 35-41

DU Yuchao, LIANG Zhiqiang, CHEN Jianjun, LI Yu, MA Dan, CAO Yuxuan, LI Shidi, WANG Xibin. Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill[J]. Diamond & Abrasives Engineering, 2020, 40(5): 35-41. doi: 10.13394/j.cnki.jgszz.2020.5.0006

Citation:

DU Yuchao, LIANG Zhiqiang, CHEN Jianjun, LI Yu, MA Dan, CAO Yuxuan, LI Shidi, WANG Xibin. Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill[J]. Diamond & Abrasives Engineering, 2020, 40(5): 35-41. doi: 10.13394/j.cnki.jgszz.2020.5.0006

Citation:

DU Yuchao, LIANG Zhiqiang, CHEN Jianjun, LI Yu, MA Dan, CAO Yuxuan, LI Shidi, WANG Xibin. Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill[J]. Diamond & Abrasives Engineering, 2020, 40(5): 35-41. doi: 10.13394/j.cnki.jgszz.2020.5.0006

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Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill

doi: 10.13394/j.cnki.jgszz.2020.5.0006

1. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;
2. Key Laboratory of Fundamental Science for Advanced Machining, Beijing Institute of Technology, Beijing 100081, China;
3. Shanxi Diesel Engine Industry Co., Ltd., Datong 037036, Shanxi, China

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Rev Recd Date: 2020-06-20

Available Online: 2022-04-06

Abstract

Abstract

Aiming at grinding quality control problem of the 0.5 mm diameter polycrystalline diamond micro ball-end mill, based on the geometric motion principle of six-axis CNC machine, a mathematical model for the grinding of PCD micro ball-end mill is established, orthogonal experiments are carried out to study the influence of the grinding parameters on the spindle load, the surface roughness of tool rake face, and the radius of micro ball-end mill cutting edge. The results show that the grinding speed has the most significant effect on the surface roughness and spindle load, and the grinding depth has the most significant effect on the radius of the cutting edge. With the optimized process parameters, the diameter error of PCD micro ball-end mill is less than 4.0 μm, the radius of tool blunt circle is 4.5 μm, the angle error of tool is less than 1°. The edge quality is complete without obvious grinding damage defects.
- polycrystalline diamond(PCD),
- micro tool,
- edge-grinding quality,
- orthogonal experiment,
- parameter optimization

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Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill

doi: 10.13394/j.cnki.jgszz.2020.5.0006

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Optimization of edge-grinding parameters of polycrystalline diamond micro ball-end mill

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