TJ YAG-505B 3D portrait laser subsurface engraving system consists of YAG-505B laser subsurface engraving machine and 3d camera. TJ YAG-505B laser subsurface engraving machine obtains the following characteristics: first, take a 3d photo of one or more persons with a 3d camera and process it in computer to form 3d portraits; second, utilizing laser focusing technology, it can engrave 3d everlasting 3d portrait inside crystals. Technic Specificatioin Item Parameter Laser Medium Nd: YAG Highest Frequency 200Hz Engraving Speed 6000-10000dots/min Maximum Engraving Range 280mm¡Ã280mm¡Ã90mm Laser Wavelength 532nm Power of the whole machine 4 KW Number of laser heads 1 or 2 or 3 Water Medium Deionized water or pure water Cooling Medium R407C Spare Parts Xe-lamp (400hours continuous working) Continuous Working Time 12hrs Electrical Connection AC220v¡Ã10%,50-60hz Weight of the whole machine 270kgs Cooler unit 98kgs Dimension of the Whole Machine 850mm¡Ã700mm¡Ã1350mm Room temperature 15-35 Engraving time 50X50X80mm 18-22mins 30X20X20mm 4mins