基于响应曲面法的珩磨油石寿命影响因素研究
2020-10-22
作者：宁会峰，郭文枭
单位：兰州理工大学机电工程学院
摘要：在珩磨加工时，油石磨损对零件的加工精度有重要影响。基于响应曲面法建立珩磨油石二阶响应曲面模型，通过BBD实验对珩磨油石寿命模型进行拟合，分别验证模型的有效性和显著性，结果表明响应曲面模型能很好地拟合油石寿命。在分析了珩磨油石寿命关于影响因素的响应曲面后，得到了各因素对油石寿命的交叉影响程度。结果表明：各工艺参数对油石寿命具有复杂的交互作用，在油石粒度相同的情况下，珩磨压力较往复速度对油石磨损的影响更加显著；压力和粒度的交互作用对油石寿命影响最大，油石在磨削时，由于细小的磨屑容易进入油石气孔中，粒度越小，越易出现堵塞现象。
关键词：珩磨加工；油石磨损；响应曲面法
中图分类号：TG580.12；TH161文献标志码：ADOI：10.3969/j.issn.1000-7008.2020.07.003
Study on Influencing Factors of Oil Stone Life Based on
Response Surface Methodology
Ning Huifeng，Guo Wenxiao
Abstract:The abrasion of oil stone is very important to the accuracy of parts in honing process.On the basis of the Response Surface Methodology(RSM)，a secondorder model of honing stone life is established，and the life of model is fitted by BBD experiment.Then，the validity of the life model is verified by validity and significance test.By fitting the response surface of the relationship between the influence factors and the life of oil stone，the crosseffects of various factors on the life of oil stone are analyzed.The results show that the process parameters have a very complex interaction with the life of oil stone.At the same particle size of the oil stone，the influence of the honing pressure on the wear of the oil stone is more significant than that of reciprocating speed.The smaller particle size，the easier the blockage will occur because the wear debris can easily enter the blowhole of the oil stone during honing.
Keywords:honing；oilstone wear；response surface methodology