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Laser fine engraving technique is applied in diamond jewelry industry

Superwave Laser Technology Co.,Ltd | Updated: Mar 25, 2018

Laser fine engraving system consists of laser, laser focusing and imaging optical system, translation platform and drive system, input/output control card, computer and control software.

Laser output peak power laser, the beam expander and objective lens to form a small light spot diameter and focused onto the surface of the object, in the local light irradiation of high energy density, material to absorb part of light energy, and convert it into heat, heat conduction through material makes objects gasification, to achieve a target. The power intensity and pulse width of laser are the key factors that influence the interaction between laser beam and material. The stronger the intensity, the narrower the width of the pulse and the deeper the cutting. Focusing spot size and quality are the important factors that affect laser fine score, the size of the laser focus is also affected by the laser beam quality, so the size of the focal sp decided to laser fine score line thickness.

Work process of laser fine ruling machines, laser beam through the galvanometer system, then through objective lens to focus on the surface of the object, the computer control the galvanometer, realizing moving according to set the path of the light beam and formed in the surface etching.
The working process of the micro diamond laser engraving machine, optical imaging system will diamond on surface of CCD pixels, CCD to collect the image and display on a computer screen, is used to select the location of the lettering, to ensure that the laser beam is focused on the surface of the selected area. Micro diamond laser engraving machine adopt the way of moving objects scanned, electric pan units will be 2 d objects according to set the path of the movement, so as to realize the laser beam focused on the object surface etching, this method is more suitable for fine engraving.