The importance of cutting machine operation pressure

In the process of cutting machine work, auxiliary gas pressure have great influence on the results of cutting. Auxiliary gas must have enough pressure to be able to completely clear the cutting waste residue, general when cutting thick workpiece pressure to reduce a little, stick to the workpiece on the residue will damage the cutting edge.





in advance can increase the gas pressure cutting speed, but reaches a certain value, continue to increase the gas pressure will cause the cutting speed. With aid of the high gas pressure, the reason of lower cutting speed in addition to boil down to the high air velocity on and hang a district enhanced cooling effect, also may be intermittent that exist in the air shock wave disturbance to the function district cooling. Exists in the airflow uneven pressure and temperature, can cause the change of airflow field density. Such a density gradient caused internal refractive index change to dry properly focused beam energy, focus or beam divergence. This kind of interference may affect the melting efficiency, sometimes may change the model structure, led to the decrease of the quality of the cutting, if the beam divergence too hard. Make the light is too large, and even can't effectively cut the serious consequences.

in order to avoid the high-speed airflow on the cutting performance of adverse reactions, can imagine change the distribution of total pressure in the air, because the air pressure distribution of the change, make the melting process occurred in the center of low pressure area; While the surrounding adjacent high can raise enough momentum ( Momentum) To ensure more effectively remove slag. Due to the intermittent high speed of light will not cause interference, melting efficiency is also improved.