laser cutting and welding machine

laser cutting and welding machine

First of all, we need to know how the laser cutting machine completes this function. The horizontal laser beam emitted by the laser changes from the horizontal laser beam to the vertical downward laser beam through the 45 °total mirror, and then aggregates through the lens to form a very small spot at the focal point. The laser power density at the spot is as high as 106 ≤ 109 W / cm ~ 2. When the workpiece at its focus is illuminated by a high power density laser spot, a part of the high temperature above 10000 °C will occur, which will vaporize the workpiece in an instant, and then cooperate to cut the gas to blow away the vaporized metal, thus cutting the workpiece into a very small hole. With the movement of CNC machine tools, countless small holes are connected into the shape to be cut. Because the frequency of laser incision is very high, so each hole joint is very lubricated, the cut out of the commodity finish is very high.

However, the laser welding machine is a new type of welding method, which is mainly used for the welding of thin-wall data and fine parts, and can complete the spot welding, butt welding, welding, sealing and welding, etc. The depth-to-width ratio is high, the width of the welding line is small, the heat-affected area is small, the deformation is small, the welding speed is high, the welding line is flat and beautiful, No treatment or simple treatment is required after welding, and the welding seam has high quality and no air hole, can be accurately controlled, has small accumulation light spot, high positioning precision and easy to complete automation. It uses a high-energy laser pulse to partially heat the data in a small area, and the energy of the laser radiation is diffused to the inside of the data through the heat conduction, and the data is melted to form a specific molten pool.

The principle of laser welding machine is similar to that of cutting, but the purpose is the opposite. The main secret of laser welding machine lies in the power of laser. According to experience, the two can actually complete symbiosis on a machine, only writing a slightly different program, the laser power called is different.

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