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CUT META – How Does That Happen by Laser Machine

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As we are in the laser business for more than 15 years, we see more and more like to use this technology with their business. And laser machine is suitable for many purposes, one of them is using industrial laser cutting machine to cut metal sheet or metal plates, like stainless steel, aluminum alloy, carbon steel, etc. Why? Because when you use laser to process, it is very accurate and precision, and has a high quality of cut edge and in the meantime, the kerf width stay small, so the laser beam affect very little on the metal itself.

The first thing you need to know about laser is the word itself, LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. This magic amplified light can easy cut metal, it is like sci-fi when we first think of it. But it is real, we are going to show you how?

First thing about this technology is laser beam. It is a high-power light with just one wavelength. Furthermore the wavelength can not be seen by human eye. This column of light is only about 3/4 of an inch in diameter. When the machine is working, laser resonator creates the beam, let it pass through a certain path before it gets to the bore of a nozzle right before it hits the metal sheet and focuses its power on the sheet, along with the beam, there is a compressed gas, such as Oxygen or Nitrogen.

In the laser head, there is a process going on to let the laser beam focused by curved mirror, or a special lens. In order to let the machine work perfect, the path of laser beam must be adjusted over and over again, until you get the beam perfectly focused, that way the density of this laser energy will be consistent and centered in the nozzle. Through the nozzle, it energy of laser beam is being amplified, try to think of the time, when we were kids, we used magnifying lens to catch sun’s power through it, added this power on paper, how fast it can set a fire. Just like that, now think about when you add 8 kwatts of energy on the metal sheet, you already know what will be happening.

The laser beam with this high power can melt or vaporize metal in the blink of an eye. When we add laser beam on carbon steel or mild steel, we are going on a process called oxy-fuel, and the gas with it, of course, is pure oxygen. When we add it on stainless steel, the gas with it is nitrogen. And by the way, we use high pressure nitrogen to blow molten metal out of the surface, to get this beautiful contour.

When laser cutting machine is working on the metal, it will follow the program that you put in the system, and precisely cut the shape out of the metal sheet. During that process, the laser head is just above the material, with a certain distance controlled by height control system. So between the metal sheet and the laser head (or the end of the nozzle), there will always be a safe distance. It is very important about this distance, it allows the focal point relative to the surface of the metal sheet. The quality of the cutting process can be effected when it comes to different distance.

Of course besides safely distance, when you want the laser machine to work perfectly, there are many technical parameters you need to think about, but once all things set up, you are good to start your own business. Laser technology is widely used in many different business, especially when we are talking about metal fabrication industry. Supersoar industrial laser cutter is suitable for your business. Please contact us by kevin_mu@supersoar.com for more information.

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