主动控制加工误差慢刀伺服车削轨迹生成方法
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摘要
考虑到光学自由曲面慢速刀具伺服车削缺乏切削轨迹点选取位置和数量的依据,提出了主动控制加工误差的刀具路径生成方法。进行了刀触点、刀位点轨迹分析和慢刀伺服车削正弦波面试验,结果表明,本文方法可以预测加工表面精度并可以显著降低切削点数量。
A tool path generation method for active control machining errors is proposed taking into consideration that,in optical freeform surface slow tool servo,the location and quantity of cutting location points selection are lack of basis. The cutting contact points and cutting location points are analyzed using this method. The experiment of slow tool servo for sine‐wave surface was carried out. The results show that the proposed tool path generation method has the characteristics of predicting machining surface accuracy and significantly reducing the number of cutting location points.
A tool path generation method for active control machining errors is proposed taking into consideration that,in optical freeform surface slow tool servo,the location and quantity of cutting location points selection are lack of basis. The cutting contact points and cutting location points are analyzed using this method. The experiment of slow tool servo for sine‐wave surface was carried out. The results show that the proposed tool path generation method has the characteristics of predicting machining surface accuracy and significantly reducing the number of cutting location points.
引文
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[15]Ji Shijun,Yu Huijuan,Zhao Ji,et al.Ultraprecision machining of a large amplitude sinusoidal ring surface based on slow tool servo[J].Strojniski Vestnik,2016,62(4):213219.
[16]Neo D W K,Kumar A S,Rahman M.A novel surface analytical model for cutting linearization error in fast tool/slow slide servo diamond turning[J].Precision Engineering,2014,38(4):849860.
[17]Kong L B,Cheung C F,To S,et al.A theoretical and experimental investigation of design and slow tool servo machining of freeform progressive addition lenses(PALs)for optometric applications[J].International Journal of Advanced Manufacturing Technology,2014,72(1):3340.
[18]Liu Qiang,Zhou Xiaoqin,Xu Pengzi.A new tool path for optical freeform surface fast tool servo diamond turning[J].Proceedings of the Institution of Mechanical Engineers,Part B:Journal of Engineering Manufacture,2014,228(12):17211726.
[2]樊成,赵继,张雷,等.移动抛光自由曲面材料去除的理论建模与试验研究[J].机械工程学报,2014,50(5):173181.Fan Cheng,Zhao Ji,Zhang Lei,et al.Modeling and experimental study on the material removal in the velocitydwellmode polishing process[J].Journal of Mechanical Engineering,2014,50(5):173181.
[3]刘源,曹喜滨,王永章,等.具有自光顺功能的五坐标样条插补控制器[J].吉林大学学报:工学版,2011,41(4):10101014.Liu Yuan,Cao Xibin,Wang Yongzhang,et al.Spline interpolation controller with fairing function for fiveaxis machining[J].Journal of Jilin University(Engineering and Technology Edition),2011,41(4):10101014.
[4]王兴盛,康敏.基于Hermite插值的复杂光学曲面车削加工路径规划[J].机械工程学报,2012,48(11):191198.Wang Xingsheng,Kang Min.Cutting path planning for complex optical surface using hermite interpolation[J].Journal of Mechanical Engineering,2012,48(11):191198.
[5]车翔玖,刘大有,王钲旋.两张NURBS曲面间G1光滑过渡曲面的构造[J].吉林大学学报:工学版,2007,37(4):838841.Che Xiangjiu,Liu Dayou,Wang Zhengxuan.Construction of joining surface with G1 continuity for two NURBS surfaces[J].Journal of Jilin University(Engineering and Technology Edition),2007,37(4):838841.
[6]Chrisp M P,Primeau B,Echter M A.Imaging freeform optical systems designed with NURBS surfaces[J].Optical Engineering,2016,55(7):071208.
[7]李荣彬,张志辉,杜雪,等.自由曲面光学的超精密加工技术及其应用[J].红外与激光工程,2010,39(1):110115.Li Rongbin,Zhang Zhihui,Du Xue,et al.Ultraprecision machining technology of freeform optics and its applications[J].Infrared and Laser Engineering,2010,39(1):110115.
[8]田欣,丁辉,程凯.光学自由曲面机床检测系统静态几何误差快速辨识方法研究[J].航空精密制造技术,2018(3):1115.Tian Xin,Ding Hui,Cheng Kai.Swift identification method for identifying static geometric errors of ultraprecision machine tool[J].Aviation Precision Manufacturing Technology,2018(3):1115.
[9]姚红兵,丁勇,辛忠华,等.独立自由曲面LED汽车前雾灯的光学设计[J].应用光学,2018,39(3):423428.Yao Hongbing,Ding Yong,Xin Zhonghua,et al.Optical design of independent freeform surface LEDautomotive front fog lamp[J].Journal of Applied Optics,2018,39(3):423428.
[10]Tan Gaoshan,Zhang Liyuan,Liu Shenglan,et al.A fast and differentiated localization method for complex surfaces inspection[J].International Journal of Precision Engineering and Manufacturing,2015,16(13):26312639.
[11]Kawabata K,Tanaka F,Onosato M.A study on tool path generation for freeform surface by isoscallop strategy using tensor analysis[C]∥JSPE Semestrial Meeting,Osaka,Japan,2017.
[12]Yang T,Zhu J,Wu X F,et al.Direct design of freeform surfaces and freeform imaging systems with a pointbypoint threedimensional constructioniteration method[J].Optics Express,2015,23(8):1023310246.
[13]Yu D P,Gan S W,Wong Y S,et al.Optimized tool path generation for fast tool servo diamond turning of microstructured surfaces[J].International Journal of Advanced Manufacturing Technology,2012,63(9):11371152.
[14]Wang Xingsheng,Fu Xiuqing,Li Chunlin,et al.Tool path generation for slow tool servo turning of complex optical surfaces[J].The International Journal of Advanced Manufacturing Technology,2015,79(1):437448.
[15]Ji Shijun,Yu Huijuan,Zhao Ji,et al.Ultraprecision machining of a large amplitude sinusoidal ring surface based on slow tool servo[J].Strojniski Vestnik,2016,62(4):213219.
[16]Neo D W K,Kumar A S,Rahman M.A novel surface analytical model for cutting linearization error in fast tool/slow slide servo diamond turning[J].Precision Engineering,2014,38(4):849860.
[17]Kong L B,Cheung C F,To S,et al.A theoretical and experimental investigation of design and slow tool servo machining of freeform progressive addition lenses(PALs)for optometric applications[J].International Journal of Advanced Manufacturing Technology,2014,72(1):3340.
[18]Liu Qiang,Zhou Xiaoqin,Xu Pengzi.A new tool path for optical freeform surface fast tool servo diamond turning[J].Proceedings of the Institution of Mechanical Engineers,Part B:Journal of Engineering Manufacture,2014,228(12):17211726.