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Focal adjustment to the influence of laser cutting
by：Transon
2020-10-27
Focal adjustment to the influence of laser cutting.
The factors of cutting quality of the laser cutting machine can affect: cutting speed, focus position, assistant gas, laser output power and the characteristics of the workpiece.
The focus position adjustment's influence on the cutting quality of is what?
Laser cutting machine in cutting process due to a great influence on cutting speed and laser power density of the lens focal length selection is an important problem.
After focusing the laser beam spot size is directly proportional to the lens JiaoChangCheng, after short focal length lens to focus the light beam spot size is small, the focus in high power density, the material cutting is strong;
But its drawback is that the depth is very short, adjust the margin is small, is generally applicable to the high speed cutting thin materials.
Due to the long telephoto lens has a wide depth of focus, and so long as has the enough power density, can be suitable for cutting thick workpiece.
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