A. Fiber laser cutting machine
Optical fiber laser cutting machine because it can be transmitted through the optical fiber, making the flexibility degree of unprecedented increase, fewer fault points, convenient maintenance, the speed is very fast, so the optical fiber cutting machine has a great advantage when cutting the thin plate within 4mm, but the quality of cutting the thick plate is poor due to the influence of solid laser wavelength.
The wavelength of fiber laser cutting machine is 1.06um, which is not easy to be absorbed by non-metal, so it cannot cut non-metal materials. The photoelectric conversion rate of fiber laser is up to more than 25%, and the advantages of fiber laser in electricity consumption, supporting cooling system and other aspects are quite obvious.
According to international safety standards, laser hazards are classified into 4 levels. Optical fiber laser is a level of great harm to human body due to the damage to eyes caused by the length of the wave. For safety reasons, optical fiber laser processing needs a completely closed environment.
B. CO2 Laser cutting machine
CO2 laser cutting machine, can steadily cut carbon steel within 20mm, stainless steel within 10mm, aluminum alloy under 8mm.The wavelength of CO2 laser is 10.6um, which is relatively easy to be absorbed by non-metallic materials. It can cut wood, acrylic, PP, Plexiglas and other non-metallic materials with high quality, but the photoelectric conversion rate of CO2 laser is only about 10%.CO2 laser cutting machine is equipped with nozzles to spray oxygen, compressed air or inert gas N2 at the beam exit to improve the cutting speed and smooth cut. In order to improve the stability and life of power supply, the discharge stability of CO2 gas laser should be solved.
According to international safety standards, laser hazard is graded into 4 levels, and CO2 laser belongs to the low hazard level.
Main advantages: large power, generally between 2000 and 4000W, can cut full-size stainless steel, carbon steel and other conventional materials within 25mm, aluminum board within 4mm and acrylic board within 60MM, wood material board and PVC board, and the cutting speed is fast. In addition, because the CO2 laser output is a continuous laser, when cutting, is the three laser cutting machine cutting section effect smooth.
Main market positioning: 6-25 mm thick plate cutting in the processing, mainly for large and medium-sized enterprises and some of the pure external processing laser cutting processing enterprises, but because of its laser maintenance loss is big, the host can't overcome factors such as big power consumption, in recent years, the huge impact by optical fiber laser cutting machine, the market is in a state of obvious atrophy.
C. YAG (solid) laser cutting machine
YAG solid laser cutting machine has the characteristics of low price and good stability, but the energy efficiency is generally less than 3%, the current output power of the product is mostly below 600W, because of the small output energy, mainly used for drilling and spot welding and cutting thin plate. Its green laser beam can be used in the case of pulse or continuous wave, with short wavelength and good light concentration, which is suitable for precision machining, especially for hole machining under pulse, and can also be used for cutting, welding and lithography.
YAG solid laser cutting machine laser wavelength not easily absorbed by nonmetal, so can't cutting non-metallic materials, and YAG solid laser cutting machine needs to be solved is to enhance the stability of the power and life, namely, to develop large capacity, long life of the pump light excitation light source, such as the semiconductor optical pump can make energy efficiency greatly.
Main advantages: can cut other laser cutting machine can cut the aluminum plate, copper plate as well as most nonferrous metal materials, machine purchase cheap, use of low cost, simple maintenance, most of the key technology has been mastered by domestic companies, accessories price and maintenance cost is low, and the machine operation and maintenance simple, requirements for workers personnel quality is not high.
Main market positioning: under 8mm cutting, mainly for self-use small and medium-sized enterprises and processing requirements are not particularly high enterprises, such as sheet metal manufacturing, home appliances manufacturing, kitchenware manufacturing, decoration, advertising and other industries. It has gradually replaced traditional processing equipment such as wire cutting, CNC punch, water cutting and low-power plasma.
With the development of optical fiber technology in recent years, optical fiber laser cutting machine has become more and more mature. Prices have also fallen.
Fiber laser cutting machine has a significant advantage in cutting 0-20mm thin plate. High precision, high speed, can arbitrarily cut all kinds of graphics, is the new generation of precision technology processing industry leader.
Its later maintenance cost is low, the service life is much longer than CO2 and other types of cutting machine.
Tianchen Group has more than 20 years of experience in machine production, the production of laser cutting machine can fully meet the metal cutting processing of large and medium-sized enterprises, in the leading position in the industry.
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