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Chlorofluorocarbons (CFCs) have been used extensively in last five or
six decades as refrigerants in the vapor. compression cycle to produce
refrigerating and air-conditioning effects. In recent years it has been
found that CFCs are most destructive to the environment. It has been
proved that CFCs are a major cause of depletion of the earth`s
stratospheric ozone layer and contribute to the greenhouse effect
(global warming).Presently large quantities of CFCs are being used as
refrigerants in a number of refrigerating and air-conditioning systems.
Though the refrigerant moves in a closed cycle, there are lots of
leakages that escape to the atmosphere and cause destruction of the
ozone layer. The most shocking fact about CFCs is that they have
exceptionally long atmospheric life which, in certain cases, even
extends to 100 years. This means that if CFC refrigerants are leaked in
the atmosphere, they will keep depleting ozone layer for the next 100
years to come.
CFC Refrigerant,CFC Refrigerant Gas QuZhou Bingcool Refrigerant Manufacture Co.,LTD , http://www.refrigerant-supplier.com
“Laser cutting is a process revolution in sheet metal processing and is a processing center in sheet metal processing.†Luo Baihui, secretary-general of the International Model Association, believes that laser cutting has a high degree of flexibility, high cutting speed, high production efficiency, and short product production cycles. Processing without deformation; no tool wear, good material adaptability; no matter whether it is a simple or complex part, you can use a laser precise rapid forming cutting; its narrow slit, good cutting quality, high degree of automation, easy operation, low labor intensity, No pollution; automatic cutting and nesting can be achieved, material utilization is improved, production cost is low, and economic benefits are good.
According to Luo Baihui, the Secretary-General of the International Model Association, the technology has a long life span. Currently, most of the ultra-structured 2 mm plates in foreign countries are laser-cut. Many foreign experts agree that the next 30-40 years will be a golden period for the development of laser processing technology. (It is the direction of the development of sheet metal processing).
How to choose a laser cutting machine Sheet metal cutting is a very common metal processing technology. With the development of science and technology, users have higher and higher requirements on processing efficiency and processing quality. Many sheet metal processing companies have begun to consider adding lasers. Cutting Machine. How to scientifically judge a variety of laser cutting machines in the market? How to choose the right laser cutting machine? Currently, most high-power laser cutting machines use CO2 lasers, which can stably cut carbon steel within 20mm, stainless steel within 10mm, and aluminum alloy below 8mm. Secondly, fiber lasers have obvious advantages when cutting thin plates within 4mm, and are subject to solid laser wavelengths. The effect is poor quality when cutting thick plates. Laser cutting machine is not universal, the wavelength of CO2 laser is 10.6um, the wavelength of solid laser such as YAG or fiber laser is 1.06um, the former is easier to be absorbed by non-metal, can cut wood, acrylic, PP, organic glass with high quality Other non-metallic materials, the latter are not easily absorbed by non-metal, it can not cut non-metallic materials, but the two lasers in the encounter copper, silver, pure aluminum and other high reflective materials are helpless.
From the application field of laser laser cutting machines and the technical requirements put forward by users, the future development direction of laser cutting machines is undoubtedly high power, large-format, high-efficiency, one-time molding, and high intelligence. The widespread application of the wide-width series of FAILALE WALC in the locomotive industry and heavy industry has brought high productivity and high productivity to users; CONTOUR high-speed and high-precision series cutting machines are widely used in construction machinery and high value-added products industries; as external processing Industry, ultra-high cost performance Cantilever MINTRE laser cutting machine is the best choice.
In addition, the high position of fiber lasers and flexible processing systems of robots in the automotive industry and supporting industries has been a long time ago. In the past, it was monopolized by foreign integrators. In recent years, due to the financial crisis and the continuous improvement of production technologies in the automobile industry, especially domestic lasers. Technical high-end manufacturers such as China Laborer-Falilei tackled technology with the support of national policies. Many high-end brands and national brands of foreign cars tasted crabs, and the arrogance and mystery of foreign high-priced products were lifted and torn. In recent years, Hualien Falilai has provided auto body whitebody welding, automotive dashboard laser thinning, automotive airbag laser welding, automotive bumpers, doors, center pillars and other robot flexible cutting machines, automobile bumper laser welding in automotive users in recent years. , Automotive exhaust pipe online welding system, automotive gear change sets of laser automatic cutting equipment, etc., in the user's site 24 hours of stable and efficient production, allowing users to praise laborers - Fali Lai also let foreign integrators shout "wolf" "!
There are many factors to be considered when selecting a laser cutting machine. In addition to considering the maximum size, material, maximum thickness of cutting, and size of raw material for the workpiece currently being processed, more considerations must be given to the direction of future development. For example, products manufactured After the technical transformation, the maximum workpiece size to be processed, the material width of the steel market, and the time for loading and unloading materials for their own products are the best. Laser cutting machine is a modern equipment with high input and high output. Each minute of saving may mean earning ten yuan more. The status quo of the peripheral laser cutting machine is also a point that laser cutting machine buyers must pay attention to, and fierce market competition should try to avoid homogenous competition.
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Refrigerant R11
Refrigerant R12
Refrigerant R502