[1]程蔚,方从富.基于单颗磨粒划擦蓝宝石的磨屑形态仿真[J].福建工程学院学报,2023,21(03):301-306.[doi:10.3969/j.issn.1672-4348.2023.03.016]
　CHENG Wei,FANG Congfu.Grinding chipmorphology simulation based on single abrasive scratching sapphire[J].Journal of FuJian University of Technology,2023,21(03):301-306.[doi:10.3969/j.issn.1672-4348.2023.03.016]
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基于单颗磨粒划擦蓝宝石的磨屑形态仿真()
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《福建工程学院学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第21卷
期数:
2023年03期
页码:
301-306
栏目:
出版日期:
2023-06-25

文章信息/Info

Title:
Grinding chipmorphology simulation based on single abrasive scratching sapphire
作者:
程蔚; 方从富
华侨大学
Author(s):
CHENG Wei;  FANG Congfu
College of Mechanical Engineering and Automation, Huaqiao University
关键词:
有限元; SPH; 蓝宝石; 磨屑形态; 单磨粒加工
Keywords:
finite element;  SPH;  sapphire;  chip morphology;  single abrasive processing
分类号:
TG58
DOI:
10.3969/j.issn.1672-4348.2023.03.016
文献标志码:
A
摘要:
采用有限元(FE)耦合光滑粒子流体动力学(SPH)方法,基于单颗磨粒划擦蓝宝石三维仿真模型模拟磨屑成形与形态变化。结果表明:磨屑是由材料体积压力减小而形成,存在堆积、团簇、飞溅、分层4 种形态,磨屑飞溅角度在7.4°~34.3°之间变化;磨粒速度的增大使材料出现小崩碎、大崩碎和片状去除的形式,导致磨屑飞溅数量随磨粒速度呈波动变化,而与磨粒切深呈线性增大;磨屑飞溅体积随磨粒切深增大而急剧增大,随磨粒速度增大而急剧减小。该研究为后续优化磨削加工参数以及进一步探讨蓝宝石的材料去除机理提供参考。
Abstract:
Based on the FE coupled SPH algorithm, a three-dimensional simulation model of a single abrasive grinding sapphire was established to simulate the formation and morphological changes of grinding chips. Simulation results show that the formation of chips is caused by the decrease of material bulk pressure. There are four forms of chips, i.e., accumulation, cluster, splash and stratification, and the splash angle of chips varies from 7.4° to 34.3°. With the increase of abrasive velocity, the material will appear in the form of small broken pits, large broken pits and flake removal, which leads to the amount of abrasive splash fluctuates with abrasive velocity, and increases linearly with the abrasive cutting depth. The splash volume increases sharply with the increase of abrasive cutting depth, but decreases sharply with the increase of abrasive velocity. This study provides reference for further optimization of grinding parameters and further development of material removal mechanism of sapphire.

参考文献/References:

［1］ NOVOSELOV A. Growth of large sapphire crystals：lessons learned［J］. Journal of Crystal Growth，2022，578：126431.［2］ ZHANG Y F，ZHU S L，ZHAO Y Y，et al. A material point method based investigation on crack classification and transformation induced by grit geometry during scratching silicon carbide［J］. International Journal of Machine Tools and Manufacture，2022，177：103884.［3］ LIN J M，JIANG F，WEN Q L，et al. Deformation anisotropy of nano-scratching on C-plane of sapphire：a molecular dynamics study and experiment［J］. Applied Surface Science，2021，546：149091.［4］ 倪嘉铭. 碳化硅高速磨削表面完整性研究［J］. 机械设计与制造，2019（11）：167-169，173.［5］ 段念，王文珊，于怡青，等. 基于FEM与SPH耦合算法的单颗磨粒切削玻璃的动态过程仿真［J］. 中国机械工程，2013，24（20）:2716-2721.［6］ MIR A，LUO X C，CHENG K，et al. Investigation of influence of tool rake angle in single point diamond turning of silicon［J］. The International Journal of Advanced Manufacturing Technology，2018，94（5）：2343-2355.［7］ TRAN T T. Study of the SPH Method for Simulation in LSDYNA［J］. International Journal of Scienc and Research，2018，7(8)：271-274.［8］ 焦培刚. 光滑粒子流体动力学方法及应用［M］. 北京：化学工业出版社，2021.［9］ ZHANG B，GUO X T，LIU Y，et al. Study of glass laminate configurations on ballistic resistance of novel lightweight sapphire transparent laminated structures［J］. International Journal of Lightweight Materials and Manufacture，2021，4（4）：397-404.［10］ 袁巨龙，邓朝晖，熊万里，等. 高效磨削技术与装备进展及展望［J］. 航空制造技术，2010，53（5）：66-70.［11］ 李远，黄辉，于怡青，等. 切磨过程中花岗石材料去除机理研究［J］. 矿物学报，2001，21（3）401-405.［12］ ZHANG B，YIN J F. The ‘skin effect’ of subsurface damage distribution in materials subjected to high-speed machining［J］. International Journal of Extreme Manufacturing，2019，1（1）：012007.

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更新日期/Last Update: 2023-06-25