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by：Transon
2021-01-08
By: sheet metal and the reason of optical fiber laser cutting.
China laser laser equipment factory for you to answer today.
This keyword is gas.
As is known to all, in the use of optical fiber laser cutting machine for cutting needs certain auxiliary gas, 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.
when increase the gas pressure can be cutting speed ahead, but after reaching a maximum, continue to increase the gas pressure will cause the cutting speed. With aid of the high gas pressure, the cause of the optical fiber laser cutting machine cutting speed reducing and can be attributed to the high air velocity to hang a district cooling effect of the reinforcement effect, also may be intermittent shock waves that exist in the air of district cooling the action of the laser interference. 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.
we are in the use of optical fiber laser cutting machine, cutting the wants to cut the products and the most accurate, so we must first understand what will affect the cutting precision, we simply introduce for everybody below:
from the laser beam as the cone, so cut out of the gap is also tapered, in this case, the thickness of 0. 4 mm stainless steel will be much smaller than 3 mm cutting seam. Therefore, the shape of the laser beam depends on a key factors to affect metal laser cutting machine cutting precision. Under the condition of the conical laser beam, the thickness of the workpiece, the greater the accuracy would be lower, so the greater the kerf width.
the precision of the workbench, if workbench precision rough or other reasons can lead to high precision laser cutting effect.
when conical laser beam together, at this point becomes small, so the precision of the laser cutting is also becoming more and more high, especially the cutting seam width becomes smaller and smaller. At this time the smallest light can reach 0. 01mm。 This is one of the elements affected the accuracy of laser cutting machine for cutting.
in this case, the cutting precision of different materials are also slightly different. Even if is the same material, if material composition is different, the precision of cutting also can have differences. Therefore, workpiece material also has certain influence to laser cutting precision.
when increase the gas pressure can be cutting speed ahead, but after reaching a maximum, continue to increase the gas pressure will cause the cutting speed. With aid of the high gas pressure, the cause of the optical fiber laser cutting machine cutting speed reducing and can be attributed to the high air velocity to hang a district cooling effect of the reinforcement effect, also may be intermittent shock waves that exist in the air of district cooling the action of the laser interference. 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.
we are in the use of optical fiber laser cutting machine, cutting the wants to cut the products and the most accurate, so we must first understand what will affect the cutting precision, we simply introduce for everybody below:
from the laser beam as the cone, so cut out of the gap is also tapered, in this case, the thickness of 0. 4 mm stainless steel will be much smaller than 3 mm cutting seam. Therefore, the shape of the laser beam depends on a key factors to affect metal laser cutting machine cutting precision. Under the condition of the conical laser beam, the thickness of the workpiece, the greater the accuracy would be lower, so the greater the kerf width.
the precision of the workbench, if workbench precision rough or other reasons can lead to high precision laser cutting effect.
when conical laser beam together, at this point becomes small, so the precision of the laser cutting is also becoming more and more high, especially the cutting seam width becomes smaller and smaller. At this time the smallest light can reach 0. 01mm。 This is one of the elements affected the accuracy of laser cutting machine for cutting.
in this case, the cutting precision of different materials are also slightly different. Even if is the same material, if material composition is different, the precision of cutting also can have differences. Therefore, workpiece material also has certain influence to laser cutting precision.
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