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  • How to solve the problem of hanging slag in sheet metal processing?
    专栏:Industry Dynamics
    Customers in the use of optical fiber laser cutting machine will meet a variety of problems, hanging slag problem is more common, how to solve this problem?

    Customers in the use of optical fiber laser cutting machine will meet a variety of problems, hanging slag problem is more common, how to solve this problem?



    When processing sheet metal, the optical fiber laser cutting machine will have slags, which will seriously affect the precision of the products and the dissatisfactory appearance and customers. For many people who have just come into contact with the novice operators in the laser industry, I do not know how to deal with metal laser cutting machine processing cause of material slag.


    Optical fiber laser cutting machine will produce a lot of heat when processing sheet metal. Under normal circumstances, the heat generated by cutting will diffuse into the processed sheet metal to be fully cooled. In the processing of the small hole in the optical fiber laser cutting machine, the outside of the hole can be fully cooled, but the part of the small hole inside the single hole is too concentrated because of the small heat diffusible space and the excessive concentration of heat energy. In addition in thick plate cutting the molten metal accumulated on the surface of the material and the heat accumulation during the perforation will cause the auxiliary airflow to be disturbed and the heat input will be excessive thus causing the slagging.


    How to solve the slagging problem of optical fiber cutting machine? Xinquanli laser to explain to you:


    1. The solution of overburning of carbon steel by optical fiber laser cutting machine: in the cutting of carbon steel with oxygen as auxiliary gas (usually carbon steel above 6mm), the key to solve the problem lies in how to restrain the generation of oxidation reaction heat. Can be perforated auxiliary oxygen, hysteresis switch to auxiliary air or nitrogen to cut the method. This method can process the holes of 1 / 6 thick plate. The pulse cutting condition with low frequency and high peak output power has the characteristics of reducing heat output, which is helpful to the optimization of cutting conditions. Set the condition as a single pulse laser beam, high peak output of high energy intensity, low frequency condition, can have It can effectively reduce the accumulation of molten metal on the surface of the material during the perforation process and effectively restrain the heat output.


    2, the solution of optical fiber laser cutting machine in aluminum alloy and stainless steel cutting: in the processing of this kind of material, the auxiliary gas is nitrogen or air, and no burning occurs in the cutting, but, Because of the high temperature of the inner material, the phenomenon of slagging will be more frequent.


    The effective solution is to increase the pressure of the auxiliary gas and set the condition as the pulse condition of high peak output and low frequency. When the auxiliary gas is used in air, it will not overburn, but it is easy to appear slags at the bottom. It is necessary to set the conditions as high auxiliary gas pressure, high peak output and low frequency pulse condition.
          Xin Quan Li laser is a professional manufacturer of laser equipment for development and production marking. After years of unremitting efforts to create a "super tough" brand, the company has independent research and development and manufacturing laser welding machine, laser marking machine, laser cutting machine integrated development and production capacity. To learn more about the price of laser cutting machine, welcome to call the consulting hotline: +86 0757-23619000

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