What should I do if the air plasma cutting machine cannot cut thick plates?
Why can’t some materials that easily absorb the wavelength of air plasma cutting machine, such as stainless steel and carbon steel, cut thick plates?
There are two main reasons:
1. The temperature at the cutting front is low.
The auxiliary oxygen sprayed from the nozzle has a cooling effect on the cutting crack, preventing the cutting crack deformation from affecting the workpiece, and also affecting the temperature of the cutting front, which makes it impossible to melt the thicker plate and realize the cutting or cutting deformation.
2. Auxiliary gas oxygen also has the function of supporting combustion.
During the cutting process, the workpiece reacts with oxygen to form a ferrous oxide layer, so that the surface of the workpiece is covered, so that the diffusion of oxygen is hindered and the concentration of oxygen on the cutting surface When it is lowered to a certain level, the burning point of cutting will suddenly extinguish and cannot be cut, so the thick plate cannot be processed.