What materials can the fiber laser cutting machine cut?1

The mainstream of the cutting machine used as the cutting process in the market is the fiber laser cutting machine. Its excellent characteristics such as wide cutting range, fast cutting speed, good cutting effect, and maintenance-free are widely used. Especially in the cutting of sheet metal materials, the fiber laser cutting machine has more advantages. So what materials can be cut by the fiber laser cutting machine, let me listen to the editor one by one.

　　 1. Carbon steel. When the fiber laser cutting machine uses oxygen as the processing gas, the cutting edge will be slightly oxidized. For plates with a thickness of 4mm, nitrogen can be used as a processing gas for high-pressure cutting. In this case, the cutting edge will not be oxidized. For plates with a thickness of more than 10mm, a special pole plate is used for the laser of the steel plate laser cutting machine and the surface of the workpiece can be oiled during processing to obtain better results.

　　2. Copper and brass. Both of these materials have high reflectivity and very good thermal conductivity. Brass with a thickness of 1mm or less can be cut with nitrogen; copper with a thickness of 2mm or less can be cut, and the processing gas must be oxygen. Copper and brass can be cut only when the system is equipped with a'reflective absorption' device. Otherwise, the reflection will destroy the optical components.

　　3. Stainless steel, stainless steel is the most used in various industries. When the fiber laser cutting machine is cutting stainless steel, nitrogen is used to obtain an oxidation-free and burr-free edge under the condition that the edge oxidation is not affected. Coating the oil film on the surface of the board will get a better perforation effect without reducing the processing quality.

　　4. Aluminum. Although aluminum materials have high reflectivity and thermal conductivity for fiber laser cutting machines, aluminum materials with a thickness of less than 6mm can be cut, depending on the alloy type and laser capability. When cutting with oxygen, the cutting surface is rough and hard. When using nitrogen, the cutting surface is smooth. Pure aluminum is very difficult to cut because of its high purity. Aluminum can only be cut when a'reflective absorption' device is installed on the fiber laser cutting machine system. Otherwise, the reflection will destroy the optical components.

　　 5. Titanium. The titanium sheet is cut with argon and nitrogen as the processing gas. Other parameters can refer to nickel-chromium steel.

　　 Fiber laser cutting machine belongs to the category of metal cutting machine, so generally it can only be used to process metal, not non-metallic materials, such as stone, cloth, leather and other materials. The reason is that the wavelength range of the fiber laser cutting machine is no longer within the absorption range of this type of material, or it is not suitable for absorption and cannot achieve the desired effect.

　　Secondly, the fiber laser cutting machine cannot cut the density board. The fiber laser cutting machine belongs to thermal processing. Cutting the density board will cause burning, which will burn the cutting edge and fail to meet the cutting requirements. This type of material is mainly the raw materials of fiberboard, wood fiber, plant fiber, and some are artificial board made of urea-formaldehyde resin and adhesive. These types of materials belong to the category of density boards, and currently cannot be processed by fiber laser cutting machines.

　　 There are also some highly reflective materials, such as copper and other rare metal materials. Although this type of material can be cut with a fiber laser cutting machine, the wavelength of these materials is not within the ideal absorption range of these materials. , It will reflect part of the energy and burn out the protective lens, which also requires attention.

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