Analysis of the phenomenon of burning edge in the use of laser cutting machine

　　 Fiber laser cutting machines are used very frequently in many factories, such as rubber factories, timber factories, quartz stone processing factories, and various steel factories. Will there be any problems in this process? We in Hebei Co., Ltd. will do an analysis of the edge burning phenomenon that is easy to occur during the use of the cutting machine.

　　Laser cutting machine has played a great auxiliary role in the processing of metal products, improving work efficiency, Human resources and production costs have been cancelled, but there will also be many minor problems in the use of cutting machines, such as edge burning, so what is the cause of this situation? How can we solve it?

The cutting machine will generate a lot of heat when processing sheet metal parts. If the heat is not dissipated in time, it will cause edge burning. Increasing the makeup gas pressure, setting high output peak conditions, low frequency pulse conditions and other methods can reduce heat accumulation.

　　When air is used as makeup gas, it is the same as when using nitrogen. Overburning will not occur, but slag is prone to appear at the bottom. Therefore, the conditions must be set to high makeup gas pressure, high peak output and Low frequency pulse conditions.

　　 In the small hole processing of the laser cutting machine, the outside of the hole can be cooled, but the small hole inside the single hole has a small heat dissipation space and excessive heat concentration, resulting in overheating and slag inclusion. In addition, in thick plate cutting, molten metal accumulates on the surface of the material, and the accumulation of heat generated during drilling will cause auxiliary airflow turbulence, excessive heat input, resulting in overheating, and edge burning.

The solution to the overheating of small holes in carbon steel cutting: When cutting carbon steel with oxygen as an auxiliary gas, the key to solving the problem lies in how to suppress the generation of oxidation reaction heat.

Auxiliary oxygen can be used when drilling, and the delay can be changed to auxiliary air or nitrogen for cutting. This method can process small holes with an upper limit of 1/6 thickness.

　　 The above is the analysis of the burning edge phenomenon that is easy to occur during the use of fiber laser cutting machine by our Hebei company based on many years of experience. I believe you can see from the short introduction above. Knowledge, we hope that if you want to know or need, you can contact us, and we will provide you with sincere service.

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