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How to Achieve Burr Free Laser-Cutting If you work at the laser cutting shop, you would notice that operators often offload the metal sheet of cut parts. After that, they would pick up the cut pieces from the nest for clean edges to make the sheets ready for the next operation. Mostly right? But sometimes, you would notice that burrs on the surface still remains. It may vary from minor to major in size but with some precautions, you can reduce it. In order to discover the perfect setting, it is important for operators to know about the process in which a laser cutting beam, support gas, and workpiece get in contact to create perfect cut edges in the product. Achieving a burr-free laser cutting is no longer a magic. It’s a strategy that revolves around the proper operation of laser parts which you need to understand thoroughly to resolve it. Let’s see how.
Which Parameters to Check? In general cases, the modern machine controls the laser beam elements. Like the beam profile and beam power. The beam focus consists of a particular grade, thickness based on optical focus. To match the true focus position on the workpiece, automated technicians usually check a number of parameters including beam alignment, delivery system, centering the nozzle, focus position, etc. If the operator observes a burr at the bottom of the cut part of the stainless-steel sheet, then firstly the operator needs to slow down the cutting speed of the laser beam. You can justify the reaction because in his perception, cutting speed is too high and the problem might have arisen from that. Once the operator has slowed down the cutting speed and the gas pressure, he would find a bigger burr. Therefore, the creation of burr depends on how the beam, material, and gas interact. And once you understand their interaction, you would understand the creation of burr.
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