杯形砂轮磨削熔融石英玻璃机理与实验研究
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摘要
熔融石英玻璃是一种工程领域常用的光学玻璃材料。针对在陶瓷材料端面快速磨削中具有广泛应用的杯形砂轮,综合考虑了磨削过程中的脆性断裂和对材料造成的冲击效应,基于单颗粒磨削理论对砂轮运动轨迹和去除效率理论建模分析。在此基础上,对熔融石英玻璃材料进行多参数的单颗粒金刚石刻划实验,以验证理论预测模型,实际测得的磨削力数值与刻划后三维表面形貌,与理论分析结果吻合。结果表明,这一理论模型可以用于预测磨削力数值和优化加工参数。
Fused silica glass is a kind of optical glass materials commonly used in engineering field. Cup grinding wheel is widely used in surface grinding of hard and brittle materials,considering brittle fracture and impact effect on materials in grinding,the analysis and modeling of the grinding wheel trajectory and removal efficiency are carried out based on the theory of single particle grinding. The single parameter test of fused silica glass materials with multiple parameters is performed to verify the prediction model. The measured values of the grinding force and the surface topography are well in an agreement with the analyzed. The experiments show that the tmodel can be used to predict the grinding force and optimize the grinding parameters.
Fused silica glass is a kind of optical glass materials commonly used in engineering field. Cup grinding wheel is widely used in surface grinding of hard and brittle materials,considering brittle fracture and impact effect on materials in grinding,the analysis and modeling of the grinding wheel trajectory and removal efficiency are carried out based on the theory of single particle grinding. The single parameter test of fused silica glass materials with multiple parameters is performed to verify the prediction model. The measured values of the grinding force and the surface topography are well in an agreement with the analyzed. The experiments show that the tmodel can be used to predict the grinding force and optimize the grinding parameters.
引文
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[2]黄辉,林思煌,徐西鹏.单颗金刚石磨粒磨削玻璃的磨削力研究[J].中国机械工程,2010,21(11):1278-1282Huang H,Lin S H,Xu X P.Study on grinding forces for glass grinding with single diamond grit[J].China Mechanical Engineering,2010,21(11):1278-1282(in Chinese)
[3]田欣利,王健全,唐修检,等.基于图像处理的单颗粒金刚石曲率半径测定方法研究[J].中国机械工程,2013,24(3):308-312Tian X L,Wang J Q,Tang X J,et al.ROCmeasurement for single diamond based on image processing technology[J].China Mechanical Engineering,2013,24(3):308-312(in Chinese)
[4]于思远,林滨,林彬.国内外先进陶瓷材料加工技术的进展[J].金刚石与磨料磨具工程,2001,(4):36-39Yu S Y,Lin B,Lin B.Progress of advanced-ceramic machining technology[J].Diamond&Abrasives Engineering,2001,(4):36-39(in Chinese)
[5]Singh K,Bala I,Kumar V.Structural,optical and bioactive properties of calcium borosilicate glasses[J].Ceramics International,2009,35(8):3401-3406
[6]Lawn B R,Evans A G.A model for crack initiation in elastic/plastic indentation fields[J].Journal of Materials Science,1977,12(11):2195-2199
[7]Lawn B R,Evans A G,Marshall D B.Elastic/plastic indentation damage in ceramics:the median/radial crack system[J].Journal of the American Ceramic Society,1980,63(9-10):574-581
[8]Lambropoulos J C,Jacobs S D,Ruckman J.Material removal mechanisms from grinding to polishing[J].Ceram.Trans,1999,102:113-128
[9]Egashira K,Mizutani K,Nagao T.Ultrasonic vibration drilling of microholes in glass[J].CIRP Annals,2002,51(1):339-342
[10]陈明君,董申,李旦,等.脆性材料超精密磨削时脆转变临界条件的研究[J].高技术通讯,2000,10(2):64-67Chen M J,Dong S,Li D,et al.Study on critical condition of beittle-ductile transition of beittle materials of ultra-precision grinding[J].High Technology Letters,2000,10(2):64-67(in Chinese)
[11]鲁春朋,高航,王奔,等.磷酸二氢钾晶体单点划痕试验研究[J].机械工程学报,2010,46(13):179-185Lu C P,Gao H,Wang B,et al.Experimental study of single-tip scratching on potassium dihydrogen phosphate single crystal[J].Journal of Mechanical Engineering,2010,46(13):179-185(in Chinese)
[12]Wang Y,Lin B,Wang S L,et al.Study on the system matching of ultrasonic vibration assisted grinding for hard and brittle materials processing[J].International Journal of Machine Tools and Manufacture,2014,77:66-73
[13]马廉洁,巩亚东,顾立晨,等.可加工微晶玻璃陶瓷磨削表面成形机制[J].机械工程学报,2017,53(15):201-207Ma L J,Gong Y D,Gu L C,et al.Mechanism of surface forming in grinding machinable glass ceramics[J].Journal of Mechanical Engineering,2017,53(15):201-207(in Chinese)
[14]查体建,许黎明,罗睿,等.杯形砂轮磨削高硬度球面砂轮磨损的研究[J].工具技术,2013,47(2):3-7Zha T J,Xu L M,Luo R,et al.Grinding wheel wear in grinding of high hardness spherical surface with cup wheel[J].Tool Engineering,2013,47(2):3-7(in Chinese)
[15]Chen S T,Jiang Z H.A force controlled grinding-milling technique for quartz-glass micromachining[J].Journal of Materials Processing Technology,2015,216:206-215
[16]Zhang J H,Zhao Y,Tian F Q,et al.Kinematics and experimental study on ultrasonic vibration-assisted micro end grinding of silica glass[J].International Journal of Advanced Manufacturing Technology,2015,78(9-12):1893-1904
[17]Lambropoulos J C,Fang T,Funkenbusch P D,et al.Surface microroughness of optical glasses under deterministic microgrinding[J].Applied Optics,1996,35(22):4448-4462
[18]周志雄,邓朝晖,陈根余,等.磨削技术的发展及关键技术[J].中国机械工程,2000,11(1):186-189Zhou Z X,Deng C H,Chen G Y,et al.Development and key technology of grinding[J].China Mechanical Engineering,2000,11(1):186-189(in Chinese)