航空发动机钛合金导管内表面精密研磨试验研究
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摘要
航空发动机外部导管大都是钛合金弯管,弯管在冷弯过程中产生的内表面缺陷用传统的研磨方法难以去除,是一个技术瓶颈问题。利用磁力研磨加工方法可以实现钛合金弯管内表面的研磨抛光。从航空发动机内部钛合金导管的应用案例出发,解析了磁力研磨钛合金弯管内表面的基本原理,同时分析在设计研磨装置过程中的关键技术问题,在磁场发生源和磁极运动轨迹构成以及磁极形状设计等方面,加以理论解剖和有限元模拟分析,得到了一套较完善的工艺方案,试验结果表明磁力研磨加工方法对弯管内表面缺陷去除起到良好的作用。
Most of the external tubes of aero-engines are titanium alloy bends. The inner surface defects caused by the bending process in the cold bending process are difficult to be removed by traditional grinding methods, which is a technical bottleneck. The grinding and polishing of the inner surface of the titanium alloy elbow can be achieved by the magnetic abrasive finishing. From the case of the application of the titanium alloy catheter inside the aero-engine, the basic principle of the inner surface of the magnetic grinding titanium alloy elbow is analyzed. At the same time, the key technical problems in the process of designing the grinding device is analyzed. Through theoretical anatomy and finite element simulation analysis of the magnetic field source and magnetic pole shape and trajectory design, a set of relatively complete process plans is obtained. Experimental results show that the magnetic abrasive machining method has good effect on the internal surface of the elbow defect removal.
Most of the external tubes of aero-engines are titanium alloy bends. The inner surface defects caused by the bending process in the cold bending process are difficult to be removed by traditional grinding methods, which is a technical bottleneck. The grinding and polishing of the inner surface of the titanium alloy elbow can be achieved by the magnetic abrasive finishing. From the case of the application of the titanium alloy catheter inside the aero-engine, the basic principle of the inner surface of the magnetic grinding titanium alloy elbow is analyzed. At the same time, the key technical problems in the process of designing the grinding device is analyzed. Through theoretical anatomy and finite element simulation analysis of the magnetic field source and magnetic pole shape and trajectory design, a set of relatively complete process plans is obtained. Experimental results show that the magnetic abrasive machining method has good effect on the internal surface of the elbow defect removal.
引文
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[24]WANG Y,HU D J.Study on the inner surface finishing of tubing by magnetic abrasive finishing[J].Machine Tools&Manufacture,2005,45:43-49.
[25]王艳,胡德金.不锈钢物流管道内表面磁力研磨的回转磁场设计[J].机械工程学报,2005,41(2):102-106.WANG Yan,HU Dejin.Design of the magnetic field of the inner surface of the stainless steel logistics pipeline[J].Journal of Mechanical Engineering,2005,41(2):102-106.
[2]韩冰,邓超,陈燕.球形磁铁在弯管内表面磁粒研磨中的应用[J].摩擦学学报.2013,33(6):565-570.HAN Bing,DENG Chao,CHEN Yan.The spherical magnet processing of inner surface of bending pipe by magnetic abrasive finishing[J].Tribology,2013,33(6):565-570.
[3]韩冰,刘立鑫,陈燕.磁粒研磨法加工弯管内表面的工艺参数优化[J].中国机械工程,2015,26(6):814-817.HAN Bing,LIU Lixin,CHEN Yan.Optimization of processing parameters of inner surface of bending pipe by magnetic particle grinding method[J].China Mechanical Engineering,2015,26(6):814-817.
[4]陈燕,张广彬,韩冰,等.磁粒研磨法对陶瓷管内表面超精密抛光技术的实验研究[J].摩擦学学报,2015,35(2):131-137.CHEN Yan,ZHANG Guangbin,HAN Bing,et al.Experimental research on ultra precision polishing technology of inner surface of ceramic tube by magnetic particle grinding method[J].Tribology,2015,35(2):131-137.
[5]CHEN Y,ZHANG M M,LIU Z Q.Study on sintering process of magnetic abrasive particles[J].Advanced Materials Research,2011,337:163-167.
[6]高玉龙.磁粒研磨光整加工及磁性磨料制备技术的研究与应用[D].淄博:山东理工大学,2009.GAO Yulong.Research and application of magnetic abrasive finishing and magnetic abrasive preparation[D].Zibo:Shandong University of Technology,2009.
[7]尹韶辉.磁场辅助超精密光整加工技术[M].长沙:湖南大学出版社,2009.YIN Shaohui.Magnetic field assisted ultra precision finishing technology[M].Changsha:Hunan University Press,2009.
[8]李学全,刘仁茂,胡德金,等.磁性磨粒制备技术[J].金刚石与磨料磨具工程,1999(5):20-22.LI Xuequan,LIU Renmao,HU Dejin,et al.Magnetic abrasive particle preparation technology[J].Diamond and Abrasive Engineering,1999(5):20-22.
[9]李学全,李骏.磁力研磨技术[J].机械设计与制造工程,2000,29(1):53-54.LI Xuequan,LI Jun.Magnetic abrasive grinding technology[J].Mechanical Design and Manufacturing Engineering,2000,29(1):53-54.
[10]陈燕,巨东英.磁研磨法对微型阶梯轴表面的抛光处理[J].模具制造,2004(12):48-50.CHEN Yan,JU Dongying.Polishing treatment of micro stepped shaft surface by magnetic abrasive grinding[J].Die&Mould Manufacture,2004(12):48-50.
[11]陈燕,巨东英.磁研磨法在复杂形状轴类零件加工中的应用[J].机械制造,2005,43(3):53-55.CHEN Yan,JU Dongying.Application of in mechanical manufacturing complex shape shaft machining in magnetic grinding method[J].Machinery,2005,43(3):53-55.
[12]陈燕.磁研磨法在自由曲面模具型腔抛光中的应用[J].模具制造,2004(7):61-63.CHEN Yan.Application of magnetic abrasive method to mould cavity polishing of free-form surface[J].Die&Mould Manufacture,2004(7):61-63.
[13]陈燕,巨东英.应用磁研磨法对细长管内表面的抛光处理[J].模具制造,2004(10):48-50.CHEN Yan,JU Dongying.Polishing treatment of inner surface of slender tube by magnetic grinding[J].Die&Mould Manufacture,2004(10):48-50.
[14]孙奕澎.基于五自由度并联机床的曲面磁力研磨研究[D].沈阳:东北大学,2004.SUN Yipeng.Research on the surface magnetic abrasive grinding based on five degrees of freedom parallel machine tool[D].Shenyang:Northeastern University,2004.
[15]王春仁.基于单片机的旋转磁场磁力研磨加工的计算机仿真与系统设计[D].大连:大连理工大学,2002.WANG Chunren.Computer simulation and system design of magnetic force grinding of rotating magnetic field based on single chip microcomputer[D].Dalian:Dalian University of Technology,2002.
[16]张雷,周锦进.磁力研磨加工技术[J].电加工,1998(1):38-43.ZHANG Lei,ZHOU Jinjin.Magnetic abrasive machining technology[J].Electrical Processing,1998(1):38-43.
[17]贾世福,姜阳.不锈钢内外圆磁力研磨的试验研究[J].磨床与磨具,1999(2):41-42.JIA Shifu,JIANG Yang.Experimental research on internal and external magnetic abrasive grinding of stainless steel[J].Grinder and Abrasives,1999(2):41-42.
[18]王慧敏,铁维麟.内圆磁力研磨新工艺的试验研究[J].机械设计与制造,1999(2):48-49.WANG Huimin,TIE Weilin.Experimental study on the new technology of inner circle magnetic abrasive[J].Machinery Design&Manufacture,1999(2):48-49.
[19]王琰,百万民,刘宾.磁极表面开槽对磁力研磨加工影响的数值分析[J].机械工程与自动化,2005(6):39-41.WANG Yan,BAI Wanmin,LIU Bin.Numerical analysis of the influence of magnetic pole surface slotting on magnetic abrasive machining[J].Mecharnical Engineering&Automation,2005(6):39-41.
[20]百万民,陈显文,王琰,等.磁屏蔽对内圆磁力研磨加工影响的研究[J].机械制造,2005,43(6):42-44.BAI Wanmin,CHEN Xianwen,WANG Yan,et al.Research on the influence of magnetic shielding on the grinding of internal magnetic force[J].Machinery,2005,43(6):42-44.
[21]K U R O B E T,Y A M A D A Y,YAMAMOTO K.Development of high speed slurry flow finishing of the inner wall of stainness steel capillary:Polishing and gas flow characteristics of various size of capillaries[J].Precision Engineering,2001,25(2):100-106.
[22]杨建桥,班朝磊.不锈钢管内表面电化学抛光技术的研究[J].陕西科技大学学报,2003(21):29-31.YANG Jianqiao,BAN Chaolei.Study on the electrochemical polishing technology of inner surface of stainless steel tube[J].Journal of Shaanxi University of Science,2003(21):29-31.
[23]卑喜敏,王劲松,张同.钛合金磨削加工技术[J].硅谷,2012(18):34-35.BEI Ximin,WANG Jinsong,ZHANG Tong.Titanium alloy grinding technology[J].Silicon Valley,2012(18):34-35.
[24]WANG Y,HU D J.Study on the inner surface finishing of tubing by magnetic abrasive finishing[J].Machine Tools&Manufacture,2005,45:43-49.
[25]王艳,胡德金.不锈钢物流管道内表面磁力研磨的回转磁场设计[J].机械工程学报,2005,41(2):102-106.WANG Yan,HU Dejin.Design of the magnetic field of the inner surface of the stainless steel logistics pipeline[J].Journal of Mechanical Engineering,2005,41(2):102-106.
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