曲面激光熔覆修复的研究进展
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摘要
激光熔覆是零部件修复的重要方式之一。曲面熔覆修复是多因素耦合的复杂过程,相对于平面,曲面熔覆质量还要受到自身送粉方式与曲面倾角的影响,同时影响熔覆质量的各因素条件随之发生改变。本文对曲面熔覆时光斑大小、粉末汇聚点、沉积层形貌、热应力变形和路径规划对熔覆层质量的影响进行综述,并分析了曲面熔覆修复的发展趋势。
Laser cladding is one of the important ways to repair parts. Hook face cladding repair is a complicated process with multi-factor coupling, and compare to the flat surface, the cladding quality of hook face is also influenced by the method of self-feeding and surface inclination. At the same time, the factors that affect the quality of cladding change with the above factors.In this paper, the effects of light spot size, powder point, sedimentary morphology, thermal stress deformation and path planning in hook surface cladding on the quality of the cladding layer were reviewed, and the development trend of hook face cladding repairing was analyzed.
Laser cladding is one of the important ways to repair parts. Hook face cladding repair is a complicated process with multi-factor coupling, and compare to the flat surface, the cladding quality of hook face is also influenced by the method of self-feeding and surface inclination. At the same time, the factors that affect the quality of cladding change with the above factors.In this paper, the effects of light spot size, powder point, sedimentary morphology, thermal stress deformation and path planning in hook surface cladding on the quality of the cladding layer were reviewed, and the development trend of hook face cladding repairing was analyzed.
引文
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[23]李聪聪,郝敬宾,陈鑫,等.基于3+2轴加工平台激光熔覆的路径生成优化[J].制造技术与机床,2016(9):107-111.
[24]Wang X,Sun W,Chen Y,et al.Research on trajectory planning of complex curved surface parts by laser cladding remanufacturing[J].International Journal of Advanced Manufacturing Technology,2018,96(5/8):1-10.
[2]Nowotny S,Scharek S,Beyer E,et al.Laser beam build-up welding:precision in repair,surface cladding,and direct 3Dmetal deposition[J].Journal of Thermal Spray Technology,2007,16(3):344-348.
[3]张永康.激光加工技术[M].北京:化学工业出版社,2004.
[4]Lin Jehnming,Hwang Bor-Chyang.Coaxial laser cladding on an inclined substrate[J].Optics and Laser Technology,1999,31(8).
[5]姜付兵,石世宏,石拓,等.基于光内送粉技术的激光加工机器人曲面熔覆试验研究[J].中国激光,2015,42(8):106-112.
[6]Zhang H,Zhong M,Liu W,et al.Development of high convergent coaxial feeding nozzle with temperature display for laser rapid manufacturing[J].Applied Laser,2004,24(6):380-382.
[7]洪蕾,胡肇炜,吴钢.齿轮曲面激光熔覆应力场数值模拟[J].中国科技论文,2010,5(8):622-626.
[8]朱刚贤,石世宏,傅戈雁,等.基于激光加工机器人的光内送粉变基面熔覆研究[J].中国激光,2015(3):106-111.
[9]钱远宏,谭华,黄卫东.倾斜基体表面激光立体成形沉积特性研究[J].应用激光,2015,35(1):53-57.
[10]Xu B,Yuan Z,Wu Y.Simulation analysis on surface morphology and hysteresis characteristics of molten Sn-3.0Ag-0.5Cu sitting on the inclined Ni substrate[J].Colloids&Surfaces A:Physicochemical&Engineering Aspects,2014,441(3):217-225.
[11]姜付兵,石世宏,石拓,等.基于光内送粉技术的复杂曲面激光熔覆试验研究[C]//全国特种加工学术会议.2015.
[12]石永军.激光热变形机理及复杂曲面板材热成形工艺规划研究[D].上海:上海交通大学,2007.
[13]Chen D J,Xiang Y B,Wu S D,et al.Curved laser bending of titanium alloy sheets and effects of heat radiation on its microstructure and property[J].Acta Metallrugica Sinica,2001,37(6):643-646.
[14]傅强,金振俊,汤军,等.齿轮轴激光熔覆轴变形的数值分析[J].机电工程,2012,29(5):497-500.
[15]Fallah V,Alimardani M,Corbin S F,et al.Temporal development of melt-pool morphology and clad geometry in laser powder deposition[J].Computational Materials Science,2011,50(7):2124-2134.
[16]Ji M A,Kang J,Wang T,et al.Dynamic measurement of temperature field and deformation in hydraulic turbine blade at cooling stage of heat treatment[J].Journal of Mechanical Engineering,2011,47(10):57.
[17]党东显.激光弯曲成形非期望变形抑制方法研究[D].上海:上海交通大学,2012.
[18]Bo Q,Shi Y S,Wei Q S,et al.The helix scan strategy applied to the selective laser melting[J].International Journal of Advanced Manufacturing Technology,2012,63(5/8):631-640.
[19]Qi H,Azer M,Singh P.Adaptive toolpath deposition method for laser net shape manufacturing and repair of turbine compressor airfoils[J].International Journal of Advanced Manufacturing Technology,2010,48(1/4):121-131.
[20]Dong L,Yang X.Path generation for repairing damaged parts of free-form surfaces in laser remanufacturing[J].Chinese Journal of Lasers,2012,39(7):0703007.
[21]Liu Lifeng.Path planning of laser remanufacturing robot based on reverse engineering[J].Chinese Journal of Lasers,2011,38(7):48-56.
[22]Wang C S,Wang W H A,Lin M C.STL rapid prototyping bio-CAD model for CT medical image segmentation[J].Computers in Industry,2010,61(3):187-197.
[23]李聪聪,郝敬宾,陈鑫,等.基于3+2轴加工平台激光熔覆的路径生成优化[J].制造技术与机床,2016(9):107-111.
[24]Wang X,Sun W,Chen Y,et al.Research on trajectory planning of complex curved surface parts by laser cladding remanufacturing[J].International Journal of Advanced Manufacturing Technology,2018,96(5/8):1-10.