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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.
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On the surface of the “convex†three-dimensional workpiece, the laser head flexibly moves up and down along a preset “digital pathâ€, and the high-power laser beam emitted cuts the hard metal under the shadow of the splashing light. Within a few minutes, a standard mechanical component was born on the bench. This is the scene when the first three-dimensional laser cutting machine with independent intellectual property rights operates.
In the field of aerospace, new three-dimensional laser cutting machines are used in the automotive and aerospace industries. Today's auto consumption emphasizes personalization, and the original mold production has been limited by its own limitations—the cycle of making molds has been difficult to adapt to faster and faster model changes. With laser cutting, moldless rapid processing has a huge competitive advantage. In the aerospace field, there are a large number of irregular surface parts, and traditional equipment cannot be processed at all. Therefore, three-dimensional laser cutting better solves this problem.
However, the equipment has long been dependent on imports. Not only is the price of the whole machine high, but also the accessories are extremely expensive and the maintenance has to be controlled by others. Unite Prima company through the cooperation with Italy Prima company, in a very short period of time to achieve the "introduction absorption" and "integrated innovation", developed a large-scale three-dimensional laser cutting machine. In the case of equal performance, the overall price will be reduced by more than half, and the order will, of course, continue.
Laser welding that allows aircraft to reduce the burden by 20 tons In fact, the application of laser equipment is very extensive. The laser welding machine is another "premium product" that unites Prima.
Compared with the traditional welding technology, laser welding has high precision, no solder and other significant advantages, this week, "when passengers" China's "Airbus A380" let this technology greatly out of the limelight. Through laser welding, the rivets saved by the Airbus A380 from the 7th to the 19th bays weighed 20 tons. The 20 tons of payload all “turned†into seats, making the A380 a unit of seating capacity. The cheapest aircraft.
Solidarity Prima also has many world-leading technologies in laser welding, such as welding machines for large plate heat exchangers. The beer fermentation tank made with this machine has greatly improved the efficiency of heat exchange. A beer plant in Ningbo ordered four welding machines to them at one go.
In April this year, the company moved its registered office to Maqiao Town. When talking about the reasons for selecting Minhang, the company's Deputy General Manager Luo said frankly: "Yes," the positioning of the "Astronauts" has deeply attracted us. The application prospects of laser equipment in aerospace are promising, and we hope to integrate them more deeply. In the construction of the space shuttle, new cooperation has been created."
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