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The impact of metal laser cutting machine cutting speed on cutting quality

Views: 4     Author: Site Editor     Publish Time: 04-24-2021      Origin: Site

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We all know that speed and quality are often inversely proportional. The pursuit of speed will reduce quality, and the pursuit of quality will affect speed. So, what impact does the cutting speed of the metal laser cutting machine have on the cutting quality? Let's take a look:


The choice of suitable cutting speed for metal laser cutting machine is also very important when cutting. The best cutting speed range can be selected according to the equipment description or determined by experiment. Due to the thickness of the material, the material is different, the melting point is high and low, and the thermal conductivity is different. The cutting speed also changes correspondingly due to the influence of factors such as the size of the rate and the surface tension after melting. The influence of cutting speed on cutting quality:


1.Properly increasing the cutting speed can improve the quality of the cut, that is, the cut is slightly narrower, the surface of the cut is flatter, and the deformation can be reduced.


2. The cutting speed is too fast, so that the cutting line energy is lower than the required amount. The jet in the cutting seam cannot quickly blow off the molten cutting melt immediately and form a large back drag, accompanied by cutting slag and cutting. The surface quality is degraded.


3. When the cutting speed is too low, because the cutting site is the anode of the plasma arc, in order to maintain the stability of the arc itself, the anode spot or anode area must find a place to conduct current near the slit closest to the arc, and at the same time it will flow to the jet. More heat is transferred in the radial direction, so that the incision becomes wider. The molten material on both sides of the incision gathers and solidifies at the bottom edge, forming dross that is not easy to clean, and the upper edge of the incision becomes rounded due to excessive heating and melting.


4. When the speed is extremely low, the arc may even go out due to the wide cut.


In summary, the good cutting quality and cutting speed of a metal laser cutting machine are inseparable. This requires us to carefully grasp in actual operations, find the best balance point of speed and quality, and let the equipment maximize its value!

Email:eva@leapion.com

Eva


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