激光焊接原理及实践应用激光LASER参考资料References请记住…..Remember…..光Light光的吸收和颜色AbsorptionandColor我们为什么需要激光？WhydoweneedLasers?LightandLasers大家有疑问的，可以询问和交流LightandLasers激光的聚焦FocusingofLasers激光的种类TypesofLasers连续光纤激光ContinuousWaveFiberLasers脉冲YAG激光（焊接）PulsedYAGLasers(Welding)脉冲打标激光PulsedMarkingLasersGalvo-光学器件Galvo-Optics激光频率LaserFrequencies脉冲YAG激光焊接典型示意图TypicalLayoutforPulsedYAGWeldingLasers聚焦高度和焦点尺寸FocusheightandspotsizeTimeShareOpticalFibers光学纤维SIvs.GI单模式vs分级模式FiberInputAlignment光纤输入排列SpotSizewithFiber光点直径带光纤LaserSafetyCollateralDamageFireHazard火灾Laser-MaterialInteractionInitialReflectivityofMetals金属的初始反射率AbsorptivityofMaterials材料的吸收率LaserWelding镭射焊接Configurations结构ConfigurationsConfigurationsAnnularWeldsSmallVolumeWeldsPressureRelief卸压ShieldGasShieldGasShieldGasesforYAGLasersSootShieldGasConfigurationPulsedYAG脉冲钇铝石榴石PulsedYAG脉冲钇铝石榴石PulsedYAG脉冲钇铝石榴石Effectofpulsetimeonweldsize脉冲时间对焊接尺寸的影响Effectofpulsetimeonpenetration脉冲时间对焊接尺寸的影响PulseShaping脉冲形状WeldCracking焊接破裂LaserFeatures:PulseShape雷射特征:脉冲形状PulseShaping脉冲形状FocusHeight焦点高度PulseOverlap脉冲交叠PulseOverlap脉冲重叠LaserWeldQuality雷射焊接质量LaserWeldQuality雷射焊接质量WeldSectionAnalysis焊接部分分析X-rayAnalysisX-RAY分析X-rayimagesofgoodweldsX-RAY中好的焊接LaserMaintenance雷射维护EnergyMeters能量计Spotsizeandshape黑点的大小和形状Fiber,Lens,andLensCover光纤,透镜和透镜盖MachineAlignment机齐边器