Tjdp-523k laser subsurface engraving machine Main function: engraving everlasting 2d and 3d images inside the crystal. Advantage: it adopts the advanced galvanometer scanner technology together with the 3khz diode-pumped laser to greatly increase the engraving speed. It can finish engraving a crystal in only 1 minute. Characteristic: it adopts all-in-one structure to greatly save the operation space. Others: small dimensions, low power consumption, high laser quality, high efficiency , easy maintenance, etc. Technic specification item parameter Laser frequency 3000hz Maximum engraving speed 120000 to 180000dots/min Maximum power of the whole machine 1kw Number of laser heads 1 Water medium deionized water or pure water Spare part none Laser medium diode-pumped nd: yag Laser wavelength 532nm Cooling medium r134a Continuous working time 12 hrs Weight of the whole machine 170kgs Dimension of the whole machine 570mm-650mm-1220mm Maximum engraving range 60mm-85mm Ply wood per unit