磨粒有序化砂轮磨削微沟槽减阻表面的研究

王俊博; 吕玉山; 慕丽; 李兴山

doi:10.13394/j.cnki.jgszz.2022.0031

磨粒有序化砂轮磨削微沟槽减阻表面的研究

doi: 10.13394/j.cnki.jgszz.2022.0031

沈阳理工大学机械工程系, 沈阳 110159

基金项目: 国家自然科学基金（51875368）

详细信息

通讯作者:
吕玉山，男，1961年10月出生，辽宁本溪人，教授，研究方向：磨削与抛光，仿生技术。 E-mail： 378856743@qq.com

中图分类号: TG74；TG58
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出版历程
- 收稿日期: 2022-03-29
- 修回日期: 2022-06-27
- 刊出日期: 2023-01-12

Effect of abrasive pattern on grinding micro-groove drag-reduction surface

School of Mechanical Engineering, Shenyang Ligong University, Shenyang 110159, China

摘要

摘要: 为研究砂轮磨粒排布样式对磨削结构化沟槽表面的影响，使用叶序、错位和阵列3种磨粒有序化排布的砂轮磨削工件平面。首先，建立3种有序化排布的数学模型；其次，根据结构化沟槽表面减阻的特性参数，设计砂轮磨削参数，并使用MATLAB软件进行磨削运动仿真，将仿真结果与理论计算值进行比较；最后，使用磨削试验验证数学模型与仿真结果的可靠性。结果表明：3种磨粒排布有序化的砂轮均能磨削出微沟槽表面，此时相邻两行磨粒的轴向间距分别为0.04 mm（叶序排布）、0.40 mm（错位排布）和0.80 mm（阵列排布），对应的磨削深度均为0.050 0 mm；磨粒阵列和错位排布的砂轮磨削出的沟槽表面更加稳定，但沟槽的参数比未能达到0.200～1.000的要求；磨粒叶序排布的砂轮加工出的沟槽，能满足表面减阻特性的要求。
- 磨粒有序排布 /
- 结构化沟槽表面 /
- 减阻特性
Abstract: In order to study the effect of abrasive arrangement pattern on grinding the surface of structured grooves, grinding wheels with three different abrasive orderly arrangements, namely phyllotactic pattern, staggered pattern and array pattern, were used to grind a flat surface. Firstly, the mathematical models of the three abrasive arrangements were established. Secondly, the parameters of grinding wheels were designed according to characters of drag reduction on structured groove surface. And the MATLAB was used to simulate the grinding process, the results of which were compared with the theoretically calculated values. Finally, the reliability of the model and simulation was proved by grinding experiment. The results show that all the three orderly abraive arrangements can be used to grind the micro-groove surface at a grinding depth of 0.050 0 mm, while the axial distances of adjacent abrasive rows are 0.04 mm (phyllotaxis pattern), 0.40 mm (staggered pattern) and 0.80 mm (array pattern), respectively. The groove surfaces ground by the grinding wheels with array abrasive or staggered abrasive are more stable, but the groove parameter ratios cannot meet the requirement of 0.2～1.0. By using the grinding wheel with phyllotactic arranged abrasive, the machined grooves meet the requirements on feature parameters of drag-reduction surface.
- orderly arranged abrasive /
- structured groove surface /
- drag reduction

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图 1 3种磨粒排布示意图

Figure 1. Schematic diagram of three abrasive arrangements

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图 2 磨削示意图

Figure 2. Schematic diagram of grinding

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图 3 阵列排布

Figure 3. Array arrangement

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图 4 叶序和错位排布沟槽示意图

Figure 4. Arrangements of phyllotactic and staggered

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图 5 沟槽干涉形成示意图

Figure 5. Schematic diagram of groove interference formation

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图 6 沟槽表面仿真图

Figure 6. Simulation of groove surface

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图 7 有序化砂轮

Figure 7. Ordered grinding wheel

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图 8 磨削出的沟槽表面

Figure 8. Groove surface by grinding

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图 9 沟槽表面截面轮廓图

Figure 9. Groove surface section profile

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