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《Chinese Journal of Lasers》 2011-07
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Temperature Field Simulation and Experiment for Truing and Dressing of Bronze-Bonded Diamond Grinding Wheel with Pulsed Laser

Chen Genyu1,2 Yu Chunrong2 Li Shichun2 Sun Kangjian2 Bu Chun2 1State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,Hunan University,Changsha,Hunan410082,China 2Laser Research Institute,Hunan University,Changsha,Hunan410082,China  
Based on interaction between laser and matter,the research on truing and dressing bronze-bonded diamond grinding wheel by acoustic-optic Q-switched YAG pulsed laser is carried out.Simulation models of single pulsed laser ablating bronze and diamond temperature field are established by finite element method,which shows the temperature distribution of bronze and diamond under different laser power densities.Reasonable laser parameters are obtained from the temperature distribution contours: the pulsed laser power density ranging of 1.66×107~7.5×107 W/cm2 is suitable for dressing;the value ranging of 9.95×107~3.52×108 W/cm2 is suitable for truing,which can be used as reference values for practical dressing and truing experiment.Typical parameters are applied to actual truing and dressing experiment,and the surface topography of the grinding wheel becomes favorable.Through simulation and experiment,the mechanism of pulsed laser truing and dressing bronze-bond and diamond grinding wheel is further analyzed.
【Fund】: 国家自然科学基金(5050005);; 湖南大学汽车车身先进制造国家重点实验室自主课题(61075005)资助课题
【CateGory Index】: TG743
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