Metal laser cutting machine is realized by using high power density energy generated after laser focusing. It uses a precision ball screw transmission mechanism and optimizes the control of the CNC system, which can meet the requirements of precision parts processing, and its dynamic performance is stable and it can work for a long time. Therefore, it has attracted much attention in metal cutting.
The cutting accuracy of metal can affect the cutting process, so how to control the cutting accuracy of metal laser cutting machine in use?
1. Laser melting and cutting does not require complete vaporization of metal, and the required energy is only 1/10 of vaporization cutting.
2. The heat of vaporization of laser vaporization cutting materials is generally very large, so laser vaporization cutting requires a large power and power density.
3. The laser oxygen cutting reaction generates a lot of heat, so the energy required for laser oxygen cutting is only 1/2 of the melting cutting, and the cutting speed is far greater than that of laser vaporization cutting and melting cutting.
4. Laser scribing and controlled fracture
Laser scribing is to use high energy density laser to scan the surface of the brittle material, so that the material is heated to evaporate a small groove, and then apply a certain pressure, the brittle material will crack along the small groove.
Controlled fracture is to use the steep temperature distribution produced by laser grooving to generate local thermal stress in brittle materials, so that the materials break along the small groove.
Compared with traditional plate processing methods, laser cutting has the advantages of high cutting quality (narrow incision width, small heat affected zone, smooth incision), high cutting speed, high flexibility (arbitrary shape can be cut at will), extensive material adaptability, etc.
