磨粒簇砂轮磨削结构化表面试验研究
2020-10-23
作者：李兴山，王伟，熊伟，吕玉山
单位：沈阳理工大学
摘要：结构化表面对提高零件减阻性能有重要意义。为了解决结构化表面难加工、效率低的问题，对结构化表面的创成方法展开试验研究。在砂轮的圆周方向采用错位、阵列、叶序排布的磨粒簇，采用磨削复映获得工件结构化表面，利用试验分析不同排布下获得的凹坑结构化表面的创成规律及影响因素。试验结果表明：砂轮与工件的转速比、切削深度及叶序参数可以影响结构化表面的形状及疏密程度，转速比与工件表面周向凹坑数目成正比，磨削深度与凹坑的周向尺寸成正比，磨削深度、叶序参数与工件表面凹坑的粗糙度成反比。
关键词：磨削；磨粒簇；结构化表面；叶序排布
中图分类号：TG74；TH161文献标志码：ADOI：10.3969/j.issn.1000-7008.2020.08.007
Grinding Experiment Research on Structured Surface Based on Abrasive Cluster Wheel
Li Xingshan，Wang Wei，Xiong Wei，Lv Yushan
Abstract:Structural surface is very important to improve drag reduction performance of parts.In order to solve the problem of difficult machining and low efficiency of structured surface，an experimental study is carried out on the forming method of structured surfaces.In the circumferential direction of the grinding wheel，the grinding grain cluster with dislocation，array and phyllotactic is used to obtain the structural surface of the workpiece by grinding.The formation rules and influencing factors of structural surface of pits obtained with different patternt are analyzed by experiments.The experiment results show that the speed ratio of grinding wheel to workpiece，cutting depth and phyllotactic parameters of grinding wheel can affect the shape and density of structured surface.The speed ratio is proportional to the number of circumferential pits on the workpiece surface.The grinding depth is proportional to the circumferential size of the pit.The grinding depth and phyllotactic parameters are inversely proportional to the surface roughness of the workpiece.
Keywords:grinding；abrasive cluster；structured surface；phyllotactic pattern