基于均匀设计法的磨粒流加工试验
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摘要
根据磨粒流加工原理,以坦克发动机喷油嘴为研究对象,利用均匀试验设计方法,通过均匀分散而选出较优的磨粒流加工试验参数(磨粒粒径、磨料浓度、加工时间及研磨液的酸碱性),再通过优化变量得到目标函数,进而获得最优磨粒流加工工艺参数。试验结果表明:采用均匀设计方案较正交设计方案可节省70%的时间;经过均匀试验后,喷油嘴工件内孔表面粗糙度减小,达到了磨粒流加工试验的目的,而回归优化后的工艺参数可以进一步减小喷嘴小孔的内表面粗糙度,所得到表面粗糙度与材料物性及加工时间的数学模型可为磨粒流的生产实际提供技术支持。
According to the abrasive flow machining principles,taking tank engine nozzle as the research object,using uniform experimental design method,the better abrasive particle flow tests of processing parameters(abrasive particle diameter,abrasive concentration,processing time and grinding fluid acid-base properties)were selected by uniformly dispersed,through the optimization variables,objective function was obtained,and the optimal abrasive flow machining parameters were obtained.The experimental results show that using the uniform design scheme may save 70% of the time comparison with orthogonal design after the uniform tests,the surface roughnesses within the nozzle workpiece holes decrease,the abrasive flow machining experiment aims are reached,and the regression optimized processing parameters may be further reduced the nozzle orifice surface roughnesses.The mathematical models of surface roughnesses,material properties and processing time may provide the technical supports for abrasive flow productions.
According to the abrasive flow machining principles,taking tank engine nozzle as the research object,using uniform experimental design method,the better abrasive particle flow tests of processing parameters(abrasive particle diameter,abrasive concentration,processing time and grinding fluid acid-base properties)were selected by uniformly dispersed,through the optimization variables,objective function was obtained,and the optimal abrasive flow machining parameters were obtained.The experimental results show that using the uniform design scheme may save 70% of the time comparison with orthogonal design after the uniform tests,the surface roughnesses within the nozzle workpiece holes decrease,the abrasive flow machining experiment aims are reached,and the regression optimized processing parameters may be further reduced the nozzle orifice surface roughnesses.The mathematical models of surface roughnesses,material properties and processing time may provide the technical supports for abrasive flow productions.
引文
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[13]李登万,陈洪涛,许明恒,等.基于均匀设计法的钛合金切削参数优化试验研究[J].机械科学与技术,2011,30(5):689-692.LI Dengwan,CHEN Hongtao,XU Mingheng,et al.A Test Study of the Cutting Parameters Optimization of Titanium Alloy Based on Uniform Design Method[J].Mechanical Science and Technology for Aerospace Engineering,2011,30(5):689-692.
[2]计时鸣,唐波,谭大鹏,等.结构化表面软性磨粒流精密光整加工方法及其磨粒流动力学数值分析[J].机械工程学报,2010,46(15):178-184.JI Shiming,TANG Bo,Tan Dapeng,et al.Structured Surface Soft Abrasive Flow Numerical Analysis of Precisionfinishing Method and Abrasive Flow Mechanics[J].Journal of Mechanical Engineering,2010,46(15):178-184.
[3]丁金福,刘润之,张克华,等.磨粒流精密光整加工的微切削机理[J].光学精密工程,2014,22(12):3324-3331DING Jinfu,LIU Runzhi,ZHANG Kehua,et al.Micro Cutting Mechanism of Abrasive Flow Precision Machining[J].Optics and Precision Engineering,2014,22(12):3324-3331.
[4]计时鸣,黄希欢,谭大鹏,等.气-液-固三相磨粒流光整加工及其工艺参数优化[J].光学精密工程,2016,24(4):855-864.JI Shiming,HUANG Xihuan,TAN Dapeng,et al.Gas-liquid-solid Abrasive Flow Polishing and Its Process Parameter Optimization[J].Optics and Precision Engineering,2016,24(4):855-864.
[5]高航,付有志,王宣平,等.螺旋面磨料流光整加工仿真与试验[J].浙江大学学报(工学版),2016,50(5):920-926.GAO Hang,FU Youzhi,WANG Xuanping,et al.Helicoid Grinding Time Whole Process Simulation and Experiment[J].Journal of Zhejiang University(Engineering Science),2016,50(5):920-926.
[6]LI Junye,LIU Weina,YANG Lifeng,et al.Study of Abrasive Flow Machining Parameter Optimization Based on Taguchi Method[J].Journal of Computational and Theoretical Nanoscience,2013,10(12):2949-2954.
[7]方开泰,王元.均匀设计与均匀设计表[M].北京:科学出版社,1994:1-20.FANG Kaitai,WANG Yuan.Uniform Design and Uniform Design Table[M].Beijing:Science Press,1994:1-20.
[8]李响,李为吉,彭程远.基于均匀试验设计的响应面方法及其在无人机一体化设计中的应用[J].机械科学与技术,2005,24(5):575-577.LI Xiang,LI Weiji,PENG Chengyuan.Response Surface Methodology Based on Uniform Test Design and Its Application in the Integrated Design of UAV[J].Mechanical Science and Technology,2005,24(5):575-577.
[9]邱建新,张士宏,李国禄,等.均匀设计法/神经网络和遗传算法结合在内高压成形工艺参数优化中的应用[J].塑性工程学报,2005,12(4):76-79.QIU Jianxin,ZHANG Shihong,LI Guolu,et al.Uniform Design Method/Neural Network and Genetic Algorithm Combined with the Application of Internal High Pressure Forming Process Parameters Optimization[J].Journal of Plasticity Engineering,2005,12(4):76-79.
[10]吕大刚,贾明明,李刚.结构可靠度分析的均匀设计响应面法[J].工程力学,2011,28(7):109-116.LYU Dagang,JIA Mingming,LI Gang.Structural Reliability Analysis of Uniform Design Response Surface Method[J].Engineering Mechanics,2011,28(7):109-116.
[11]于昌龙,张红线,吴衍记.基于均匀设计的光纤陀螺温度建模实验方案研究[J].红外与激光工程,2009,38(2):330-334.YU Changlong,ZHANG Hongxian,WU Yanji.Experimental Study on Temperature Modeling of Fiber Optic Gyroscope Based on Uniform Design[J].Infrared and Laser Engineering,2009,38(2):330-334.
[12]李忠群,刘强.圆角铣削颤振稳定域建模与仿真研究[J].机械工程学报,2010,46(7):181-186.LI Zhongqun,LIU Qiang.Modeling and Simulation of Chatter Stability for Circular Milling[J].Journal of Mechanical Engineering,2010,46(7):181-186.
[13]李登万,陈洪涛,许明恒,等.基于均匀设计法的钛合金切削参数优化试验研究[J].机械科学与技术,2011,30(5):689-692.LI Dengwan,CHEN Hongtao,XU Mingheng,et al.A Test Study of the Cutting Parameters Optimization of Titanium Alloy Based on Uniform Design Method[J].Mechanical Science and Technology for Aerospace Engineering,2011,30(5):689-692.