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Different kinds of laser cutting metal materials application analysis

by:J&D WATER     2020-04-01
All of the metal materials at room temperature has a high reflectivity of infrared wave energy, but the launch 10 in the far infrared band. 6 um beam CO2 laser is successfully applied in many metal laser cutting practice. Metal to 10. The start of the 6 um laser beam absorption rate is only 0. 5% ~ 10%, but when has the power density of more than 10 ^ 6 w/cm2 focused laser beam to the metal surface, but to make the surface in the microsecond time soon began to melt. In most of the molten metal absorption rate has risen sharply, generally can be increased by 60% ~ 80%. 1. Titanium and alloy. Pure titanium can coupling focused laser beam transformation of heat energy, auxiliary gas using oxygen chemical reaction is intense, cutting speed faster, but easy to generate oxide layer in trimming, accidentally can also cause a burn. As safe, using air as auxiliary gas is better, to make sure that the cutting quality. Aircraft industry commonly used titanium alloy laser cutting quality is better, although there will be a little sticky residue at the bottom of the kerf width, but it's easy to remove. 2. Nickel alloys. Nickel-based alloy is also called super alloy, many varieties. Most of them can be implemented oxidation melting cutting. 3. Carbon steel. Modern laser cutting machine can cut the carbon steel plate thickness up to 20 mm, using melt oxidation of cutting mechanism of cutting carbon steel, cutting seam width can be controlled in a satisfactory range of the kerf width can be narrow plate to 0. About 1 mm. 4. Stainless steel. Laser cutting of stainless steel sheet is used as the main component is a effective machining tools manufacturing. In the strict control of the heat input in the process of laser cutting measures, can restrict the trimming heat affected zone is small, thus effectively maintain the good corrosion resistance of this kind of material. 5. Alloy steel. Most of the alloy structural steel and alloy tool steel can use laser cutting method for good trimming quality. Even some high strength material, as long as the process parameters are controlled properly, the flat, non sticky residue trimming can be obtained. However, for high speed tool steels containing tungsten and hot die steel, laser cutting machine processing with corrosion and viscous slag phenomenon. 6. Aluminium and its alloys. Aluminum melt cutting belong to laser cutting mechanism and the auxiliary gas is mainly used to blow away the molten product from the cutting area, usually can obtain better quality aspects. For some aluminum alloy, attention should be paid to prevent cutting seam surface intergranular micro cracks. 7. Copper and alloy. Pure copper ( Copper) Because of high reflectivity, basically can't use the CO2 laser cutting. Brass ( Copper alloy) Use higher laser power, auxiliary gas with air or oxygen, the thinner plates can be cut. Metal laser cutting equipment recommendation: preferential deals offer 4007001618 【 Metal laser cutting equipment 】 It is mainly used for cutting stainless steel, carbon steel, aluminum, copper, aluminum, iron, gold, silver etc. Thickness is 1. 0 ~ 25 mm plate; 【 Stainless steel laser cutting equipment 】 Classic gantry double drive structure of stable and reliable, automatic switching table, at the same time of cutting up and down on another table, convenient and quick to save time; 【 Optical fiber laser cutting 】 With high-speed movement speed, acceleration and dynamic performance, is laser for efficient and specialized research and development of a product, its cutting 0. The speed of 5 mm stainless steel reached 100 m/min. 【 Carbon steel sheet metal laser cutting 】 Specializing in sheet metal processing industry demand for sheet of processing in the field of research and development design of laser processing equipment, it has a very high cost performance, with CNC system control, efficiency is much higher than in other laser cutting equipment for the board drive mode control. More laser laser cutting metal laser cutting metal cutting equipment
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