TJ YAG-522 scanner 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 portraits inside crystals. This model adopts the advanced galvanometer scanner technology to greatly increase the engraving speed; and it adopts the all-in-one structure to greatly save the operation space. With the development of material life, people pay more attention to the pursuance of spiritual individuality. Therefore, with a broad market, the 3D subsurface engraved portraits are becoming more and more popular. Main technical index of the machine Laser Medium Nd: YAG Laser Wavelength 532nm Highest Frequency of Laser Power Supply 200Hz Power of Servo Motor 200W Maximum Engraving Range Φ60mm?5mm Engraving Speed 8000~12000dots/min Power of Laser Power Supply 3KW Maximum Power of the Whole Machine 6 KW Scan Laser Head Number 1 Continuous Working Time 12 hrs Working Current of the Whole Machine <30 A Weight of the Whole Machine 350 kg Dimension of the Whole Machine 890mm?60mm?550mm Cooling Medium R407C Water Medium Deionized water or pure water Water Supply Pressure 0.18 Mpa Consumed Power < 4KW