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Explore the principle and cutting approach of laser cutting machine

Explore the principle and cutting approach of laser cutting machine

Author: Nanjing full-Rui Technology Published: 2019-08-12 11:59 views:

Today I will introduce you to the knowledge of laser cutting machine, let's take a look!


The advantages and principles of laser cutting machine:

The laser cutting machine is mainly used for the cutting of thin plates. It is also an important link for the cutting of sheet metal. Generally speaking, laser cutting machines are mainly metal cutting and non-metal cutting. The reason why many cutting methods are difficult to achieve is mainly because they are slightly inferior in speed and quality, but the laser cutting machine has a great advantage in this aspect. After the laser cutting machine cuts the high precision, it does not need to do subsequent processing. Saves time.

The principle of the laser cutting machine is to generate a laser beam through a laser, which is transmitted by a series of mirrors, and finally focused by the focusing mirror on the surface of the workpiece. Local high temperature is generated at the intersection, so that the workpiece is instantly melted or vaporized by the heating pad to form a slit. At the same time, during the cutting process, A and B auxiliary gases blow out the slag at the cutting seam, and finally achieve the purpose of cutting. The applications of laser cutting are mainly thin plates, and the range of cutting materials is very wide, mainly divided into metal cutting and non-metal cutting. Because the laser has the characteristics of high direction, high brightness, high intensity, etc., the laser cutting speed is fast, the processing accuracy is high, and the slit is very narrow. Generally, no subsequent processing is required.

In summary, the laser cutting machine has a wider range of cutting materials and higher cutting accuracy. It's cheaper to use.


Cutting method of laser cutting machine:

Laser vaporization cutting

The high-energy and high-density laser beam is used to heat the workpiece, increase the temperature, and vaporize the material into steam in a short time. When these steam is sprayed, a cut is formed in the material, so Reached the cutting effect. However, the heat of vaporization of general materials is very large, so when a material is heated, a high-power laser beam should be used. The materials used in laser vaporization cutting are generally very thin metallic materials and non-metallic materials.

Laser melting cutting

When laser melting and cutting, of course, the material is heated to a certain temperature to melt, and then a non-oxidizing gas is sprayed through a nozzle coaxial with the beam, and the liquid metal is discharged by the pressure of the gas to form a cut. Laser melting cutting requires only 1/10 of the energy required for vaporization cutting, and does not require complete vaporization of the metal. Generally suitable for laser melting and cutting materials are stainless steel, titanium, aluminum and its alloys, all of which are not easily oxidized materials or active metals.

Laser oxygen cutting

Laser oxygen cutting uses a laser as a preheating heat source and an active gas such as oxygen as an auxiliary gas for cutting. After the gas is ejected, the gas and the metal undergo an oxidation reaction to emit a large amount of oxidation heat. At the same time, molten oxide and melt are blown out of the reaction zone to form a notch in the metal. Generally suitable for laser oxygen cutting are carbon steel, titanium steel and heat-treated steel and other easily oxidizable metal materials.

Laser scribing and controlling fracture

This type of laser cutting uses a high-energy-density laser beam to scan the surface of the material. The outside of the material is heated to emit a small groove, and then a certain pressure is applied, so the laser will cut along this small groove. The material commonly used for this cutting is brittle.

The above four ways of laser cutting machine cutting are what we can often understand. Here we also want to remind everyone that although there are many cutting methods for laser cutting machines, we must choose according to our specific conditions and cutting materials when selecting. Only by cutting materials can we ensure that we can achieve the best standards. .


The above is what I will explain to you today the advantages and principles of the laser cutting machine and the cutting protrusions. How do you feel? Follow us if you like it!

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Nanjing Quanrui Technology Development Co., Ltd., located in Gaochun District, Nanjing, was established in 2000. It is a professional manufacturer of forging machinery industry in China. Specializing in the production of Quanrui series CNC slotting machines and fiber laser cutting machines. In recent years, our company has relied on science and technology to develop the numerical control system of CNC slotting machine and optical fiber cutting machine and equipment ...