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What are the techniques for cutting steel plates?

Release time:

2024-01-05

Gases used in flame cutting. On the one hand, oxygen is necessary for the combustion of combustible gases. It provides the necessary energy to reach the flammable temperature of the steel plate. On the other hand, oxygen is necessary for combustion after the steel plate is preheated to the ignition point. conditions met. The oxygen used when cutting steel plates must be of high purity. The usual standard for oxygen purity is above 99.5%. Some high-quality industry standards require oxygen purity to be above 99.7%. When the oxygen purity decreases, not only the cutting speed decreases, but also the cutting slit will become wider, and there will be more slag hanging at the lower end of the incision. Since it is difficult to clean immediately, the quality of the cutting section will be greatly reduced, and the oxygen consumption will also increase.

1. Gases used in flame cutting. On the one hand, oxygen is necessary for the combustion of combustible gases. It provides the necessary energy to reach the flammable temperature of the steel plate. On the other hand, oxygen is necessary for combustion after the steel plate is preheated to the ignition point. conditions met. The oxygen used when cutting steel plates must be of high purity. The usual standard for oxygen purity is above 99.5%. Some high-quality industry standards require oxygen purity to be above 99.7%. When the oxygen purity decreases, not only the cutting speed decreases, but also the cutting slit will become wider, and there will be more slag hanging at the lower end of the incision. Since it is difficult to clean immediately, the quality of the cutting section will be greatly reduced, and the oxygen consumption will also increase.
2. The height of the cutting nozzle from the surface of the steel plate. When a flame cutting machine cuts steel plates, among the important factors that affect the quality and speed of steel plate cutting, the height from the nozzle to the surface of the steel plate must be considered an important point.
3. The cutting speed of the steel plate and the burning speed of the steel plate in oxygen are corresponding to each other. In actual production, the cutting speed of the flame cutting machine depends on the performance parameters of the cutting nozzle, the type and purity of the gas, the quality and purity of the steel plate. The thickness is adjusted in time. The cutting speed of the steel plate will have a direct impact on the stability of the steel plate cutting and the quality of the steel plate cutting section.