Before the CNC cutting machine processes the steel plate, it needs to treat the steel plate for pretreatment. The clean and tidy plate is also helpful for the stability of the product quality that the cutting machine cuts out. The pretreatment is not just a simple rubbing of dust, but a need. With certain experience and technology in it, the following introduces you.
If the steel is used for a long time, it will have embroidered dust and impurities, so the rust-proof and rust-removing will become a major point.
The common method for workpiece pretreatment is shot blasting, followed by paint rust prevention. The fine iron sand is sprayed onto the surface of the steel plate with a shot blasting machine. The iron sand impacts the steel plate to remove oxide scale, and then sprays flame retardant on it. The conductivity is good. Antirust paint.
Steel plate surface pretreatment Usually, the steel plate reaches the cutting shop through a series of intermediate links from the steel mill. During this time, the steel plate surface inevitably produces a layer of scale. The steel plate also produces a layer of scale that adheres to the surface of the steel plate during the rolling process. These oxides have a high melting point, are not easy to burn and dissolve, increase the preheating time, reduce the cutting speed, and at the same time, the oxide scale splashes easily after heating. This can easily block the cutting nozzle of the CNC cutting machine and reduce the use of cutting tips. Life, before cutting, it is necessary to rust pretreatment the surface of the steel plate.
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