What are the potential factors affecting 3 kw fiber laser cutting machine

Views:1     Author:DURMAPRESS     Publish Time: 2021-12-08      Origin:DURMAPRESS Inquire

What are the potential factors affecting 3 kw fiber laser cutting machine

What are the potential factors affecting 3 kw fiber laser cutting machine

The power of laser cutting machine has three kinds of areas, to understand the operation of laser cutting machine will be of great help to master, xiaobian with you to understand.

Three zones of laser power (overfired zone, defection-free zone, slagging zone)

1, burning zone: when the laser power is too large, resulting in too much heat input, so that the melting range of the workpiece is greater than the range of high pressure airflow can drive, the molten metal can not be blown away by the airflow and produce burning.

2, defect-free zone: that is, the laser power is in the appropriate range, this time the cutting effect is good, called the defect-free zone.

3, slag hanging area: when the laser power is too small, insufficient heat, the closer to the lower edge of the molten product temperature is lower, and the greater the viscosity, and thus failed to be blown off by high pressure airflow and retained in the lower edge of the cutting surface slag hanging. Severe cases can not be cut to form an incision.

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Laser cutting machine cutting quality evaluation standards

Cutting thickness of more than 2mm plate laser cutting, cutting surface roughness distribution is not uniform, along the direction of the thickness of a large difference, its change has two characteristics:

1, the cutting surface topography is divided into two distinct parts. The upper part of the surface is smooth, cutting fringes neat, fine, small roughness value; The lower cutting fringe is disordered, the surface is not smooth, and the roughness value is large. The upper part is characterized by the direct action of laser beams, while the lower part is characterized by the erosion of molten metal.

Whether it is continuous laser cutting, or pulse laser cutting, cutting surface shows the upper, the lower two parts, the difference is the upper pulse laser cutting fringe and pulse frequency corresponding relationship: the higher the frequency, the finer the fringe, the smaller the surface roughness.

2, the surface roughness of the cutting surface area is generally uniform, does not change with height; The surface roughness of the lower region varies with the height, and the closer it is to the lower edge, the greater the surface roughness.


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