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Laser remote cutting metal materials of opportunities and challenges

by:J&D WATER     2020-03-20
Laser cutting is the most widely in addition to the laser marking, laser application scope of CO2 laser for many kilowatts power available and high reliability and long-term occupation of laser cutting. At the same time, high brightness solid-state laser, such as disk and fiber laser, as an alternative source has on the laser cutting, laser solid state laser can achieve faster cutting speed of 100 m/min, especially when cutting thin sheet metal. In fact, less than 20 m/min medium cutting speed can be cut as shown in figure 1 electrician typical contour plate, it is through the flat cutting machine straight axis acceleration and deceleration phase, therefore, the industry need to establish a method of a new type of long distance without cutting gas cutting, the laser and the relative motion between the workpiece can rely on a galvanometer scanner using beam control, allowing a few moving inertia beam. Laser cutting process diagram as shown in figure 2, the remote laser focused in the power of 500 w to less than 100 microns in diameter is key point. Laser remote sensing cutting is a kind of fast, cost-effective, alternative melting cutting is less than 1 mm thickness of metal cutting technology. Since the continuous wave high brightness laser and a micron wavelength of laser remote control cut after the first demo, made great development in this field. Economic can cut 100 mm to 500 mm thickness steel plate, adaptation of the control software can solve the problem of geometric accuracy, burrs prevent treatment can reduce or remove burrs, instant cut or high dynamic batch job site expansion of the limited area. The change of material from stainless steel to steel, aluminum, copper, copper welding, tungsten, lead, even rare due to the difference of material and process characteristics are different. Achieve balance at a speed of 300 m/min break points, increase did not reduce the depth of the cutting speed, shorten the cycle time means reducing cutting time, it is a pity that will reduce the geometric accuracy. Special software tool can achieve the precision requirements of the classification as well as the cutting speed automatic classification. Increase the laser power won't increase linear cutting time. So far has been discussed for MAX cutting speed, the increase of cutting speed can reduce the generation of burrs. Choose close Max speed of special process parameters can minimize burrs. The correlation of these complex affected by the specific properties of the material, especially the absorption, heat transfer, melting and gasification temperature greatly affect the cutting parameters. Laser cutting is most likely to replace the traditional mechanical cutting remote sensing technology of laser cutting technology of a kind of alternative, compared with melt cutting technology, the remote cutting speed an order of magnitude, but compared to pressing and cutting, it is slow. In many applications, however, enough short period of time can satisfy the requirement of mass production. The cutting quality and precision of outline, laser fusion cutting is still better than the cut over a long distance. But relative to pressing and cutting, and its advantages are obvious: like narrow pillar also can cut fine contour, has a higher strength grade of steel is easy to use as a kind of non-contact laser tools for processing. If the average laser power ultrashort pulse laser implementation kilowatt is available, the cutting quality will make further progress. You also need to point out is remote cutting is suitable for cutting nonmetal and compound material, such as carbon fiber composite materials. A good example is the CO2 laser remote cut materials of airbags. 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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