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#1

laser cutting machine cutting speed of the cutting quality

in Die ignoranten Massen 29.06.2016 04:02
von zihuanew | 607 Beiträge | 3642 Punkte

Laser cutting machine cutting speed appropriate choice is also very important when cutting, optimum cutting speed range in accordance with the description of the selected device or test to determine, due to the different degrees of material thickness, different materials, low melting point, thermal conductivity size, and after melting the surface tension and other factors, the cutting speed corresponding change on the cutting speed of the cutting quality:
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1. improve the cutting speed appropriate to improve the quality of the cut, which is slightly narrower cut, the cut surface is smooth, and can reduce the deformation.
 
2. Cutting speed too fast so that the cutting line is lower than the energy required to measure, cut seam can not quickly melt jet cutting melt blown off immediately after the formation of a large amount of drag, along with the dross cut, cut surface quality.
 
3. When the cutting speed is too low, since the plasma arc cutting at the anode, the arc itself in order to maintain the stability of the anode spots or anode region are bound to find a place to conduct current from the arc in the vicinity of the nearest slit, while the Jets will radial transfer more heat, thus making wider incision, the incision on both sides of the molten material in the bottom edge aggregation and coagulation, formation of dross is not easy to clean up, and the upper edge of the cut due to excessive heating and melting to form a fillet.
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4. When the speed is very low, since the incision is too wide, or even extinguish the arc


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