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The influence of laser cutting machine cutting speed on cutting quality

by：Transon 2020-10-28

Laser cutting machine in cutting the appropriate selection of cutting speed is also very important, good cutting speed range can be selected according to equipment illustrate or use the trials to determine, to varying degrees due to the thickness of a material, material is qualitative different, high or low melting point, thermal conductivity size and the influence of factors such as the surface tension of the melt after, cutting speed and the corresponding change. The influence of cutting speed on cutting quality: 1. Cutting speed increasing can improve the quality of incision, namely a slightly narrow incision, incision surface more smooth, and can reduce the deformation. 2. Cutting too fast makes the cutting line energy is lower than the required value, slitting cutting jet will be fast enough to melt in the melt blowing off immediately after to form a larger amount of drag, accompanied by incision, hang slag notch surface quality decline. 3. When the cutting speed is too low, due to the anode is the plasma arc cutting, in order to maintain the stability of the arc itself and the anode spots or anode area must find in near arc cutting seam near the conduction current place, at the same time to jet flow of radial transfer more heat and thus make the incision width and incision on both sides of the molten material in bottom flange and solidified, form is not easy to clean, hang slag and incision on the edge formed by heat melt too much rounded corners. 4. When the speed is very low, because of the wide incision arc may even go out

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