Causes of burrs on laser cutting machines

Hongte Laser Cutting Machine

In the sheet metal processing process, in order for the laser cutting machine to exert the most stable efficiency and show the best working condition, all its components must work together and be perfectly adapted. There are any defects in the processed workpiece, indicating that some parts of the laser cutting machine are not properly matched, or installation problems, or data adjustment problems. Let's take the most common burr as an example.

Is the burr produced by the laser cutting machine related to the auxiliary gas?

How do burrs occur? In fact, burrs are excessive residue particles on the surface of metal materials. When the laser cutting machine is processing the workpiece, the high energy generated by the laser beam irradiating the surface of the workpiece quickly vaporizes and evaporates the surface of the workpiece to achieve the purpose of cutting. But there is a core device that we must pay attention to, that is, auxiliary gas.

The auxiliary gas is to blow off the slag on the surface of the workpiece after the irradiated surface of the workpiece is vaporized. If the auxiliary gas is not used, after the slag cools, burrs will be formed and attached to the cutting surface. The purity of the gas should be high. You can change to a better quality gas supplier. The purity of the gas is very important. It is best not to use cylinder gas, because after two fillings, the purity is not good and the gas is wasted.

Another reason is the quality of the equipment itself, as well as the parameter setting factor. Therefore, after the customer purchases the laser cutting machine, a professional operator must debug the equipment. Adjusting the cutting parameters to the best, the air pressure, flow, focal length, cutting speed, etc., have to be adjusted many times, and the parameters provided by the machine cannot cut exquisite workpieces. In addition, you must understand the material you are processing. The same is carbon steel, and the carbon content in it is different, and the parameters may change greatly.

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