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Advantages and disadvantages of two cutting processes: CNC fine plasma cutting machine and fiber laser cutting machine

Views: 59     Author: heyu     Publish Time: 06-05-2020      Origin: fiber laser cutting machine

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  Plasma cutting has been widely used in the cutting field, especially in the numerical control fine plasma cutting machine. However, with the development of laser technology such as optical fiber, laser cutting machine has also been favored by some users in recent years. Then, which cutting method is more suitable for the production of enterprises compared with laser cutting?

  1、 How it works

  Fine plasma cutting machine: it is a kind of processing method that uses air oxygen or nitrogen as working gas, uses the heat of high temperature plasma arc to melt and evaporate the metal at the workpiece incision, and uses the momentum of high-speed plasma flow to remove the molten metal to form the slit.

  Laser cutting machine: it is a laser beam generated by the laser, transmitted by a series of mirrors, and finally focused to the surface of the workpiece by the focusing mirror, generating local high temperature at the focus, so that the heated point of the workpiece instantly melts or vaporizes to form a slit. At the same time, in the process of cutting, auxiliary gas is used to blow out the slag at the slit, and Zui finally achieves the purpose of processing.

  2、 Type of cutting plate

  Fine plasma cutting machine: suitable for cutting all kinds of metal materials, mainly medium and thick plate cutting, carbon steel, stainless steel, aluminum plate, copper plate.

  Laser cutting machine: mainly in the thin plate, cutting materials are relatively wide, non-ferrous metal high anti material (stainless steel aluminum plate copper plate) cutting cost is relatively high.

  3、 Cutting features

  Fine plasma cutting machine: in the process of cutting medium and thick plates, it can achieve a very high cutting speed, 5-30mm plates, the speed is about 1.5-3.5mm/min, the slit is narrow, the heat affected area is small, and the deformation is small.

  Fiber laser cutting machine: the laser has the characteristics of high direction, high brightness and high intensity, so the laser cutting speed is fast. The cutting speed of thin plate can reach 10 m / min. the cutting speed of thin plate is much faster than that of plasma cutting machine, and the cutting speed of medium and thick plate is significantly lower than that of fine plasma. The machining precision is high and the slit is very narrow.

  4、 Post cutting treatment

  Fine plasma cutting machine: one side of the cutting surface will produce a certain bevel, about 2-3 °. Compared with the laser perpendicularity, the surface will be smooth without slag.

  Laser cutting machine: good cutting quality, cutting surface can be directly used for welding, no need to polish, small deformation, low surface roughness value, small bevel, high precision.

  5、 Price cost

  Fine plasma cutting machine: the initial equipment investment is low, the maintenance cost is low, but the later cutting nozzle becomes the main consumables.

  Laser cutting machine: relatively high cost, small power (below 1000W) is close to high-power fine plasma, medium and large power (above 1000W) one-time investment is high. The maintenance cost is low, but the optical lenses in the later stage become the main consumables. Laser is more cost-effective in cutting thin plates, but it is inefficient in cutting medium and thick plates. Unless the quality requirements are high, medium and thick plates are not suitable for laser cutting.

  To sum up, laser cutting has more significant advantages in the field of sheet metal cutting, and fine plasma in the field of medium and thick plate cutting is better than that in the field of cost and other fine ion cutting is relatively affordable compared with laser cutting, laser vs fine plasma, each has its own advantages!! in the final analysis, rational investment, practical arrangement, only suitable for itself, is good!!


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