The cutting method of laser cutting machine and its brief introduction

The laser cutting of 　　 fiber laser cutting machine is one of the special cutting methods. The laser cutting uses a high-intensity power method and irradiates the parts. After a series of chemical reactions, the material is melted to achieve a shearing effect, and the laser cutting has vaporization , Melting, oxidation and other cutting classification, you can choose different cutting methods according to different materials.

　　1. Laser vaporization cutting

　　 Laser vaporization cutting uses high energy and high density The laser heats the workpiece to increase the temperature and vaporize the material in a short time. When the steam is discharged, a cut is formed in the material, which achieves the cutting effect, but the general material has a large heat of vaporization, so the material is heated Always use high-power lasers. The materials used for laser vaporization and cutting generally include very thin metallic materials and non-metallic materials.

　　2. Melting laser cutting

　　 Fusion and laser cutting are materials that are heated to a certain temperature to melt, and then spray non-oxidizing gas through a nozzle coaxial with the beam, using the gas The pressure of the liquid metal is discharged to form an incision. The energy required for melting and laser cutting is only 1/10 of that of vaporized cutting, and there is no need to completely vaporize the metal. Generally, the materials suitable for laser melting and cutting include stainless steel, titanium, aluminum and other materials. Alloys, etc., these are active materials or metals that are not easy to rust.

　　3. Laser oxygen cutting

　　Oxygen laser cutting uses laser as preheating heat source, and oxygen and other active gas as auxiliary gas for cutting. After the gas is discharged, the gas and the metal are oxidized and a large amount of oxidation heat is released. At the same time, the molten oxide and the melt are pushed out of the reaction zone to form an incision in the metal. Generally, the materials suitable for oxygen laser cutting are carbon steel, titanium steel, and heat treatment. Metal materials that are easy to rust, such as steel.

　　4. Laser scribing and cutting

　　Laser scribing and controlled fracture use a high-energy density laser beam to scan the surface of the material. When the material is heated, a small groove is formed on the outside, and then With a certain amount of pressure, the laser cuts along this small groove. This type of cutting usually uses brittle materials.

　　 The above is the cutting method summarized by our fiber laser cutting machine manufacturer for you and a brief introduction. If you have any good suggestions or comments, you can come to us for discussion at any time, we are very welcome you.

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