How to avoid over-buring when cutting metal sheet?-Ariel

How to avoid over-buring when cutting metal sheet?

How to avoid over-buring when cutting metal sheet? This article we will talk about it.

Fiber laser cutter machine generates a large amount of heat when processing the sheet metal.

Under normal conditions, the heat generating by the cutting will diffuse along the cutting seam into the processed sheet metal and get sufficient cooling.

In the processing of the small hole of the metal laser cutting machine, the outer side of the hole can be sufficiently cooled.

The small hole portion inside the single hole is easy to cause over-burning and slag hanging because of the small space where the heat can diffuse.

How to avoid over-burning when laser cutter sheet metal?

● Add a cooling point at the corner

When cutting the sharp corner metal sheets, the position when the over-burning is more likely to occur is often at the sharp corners.

The over-burning will cut the sharp corners into a circle.

Then you can add a cooling point in the sharp corner, pause in the sharp corner, blowing air.

● Use high power lasers

When cutting carbon steel, a higher power laser can be used.

The bright surface cutting technology can effectively avoid over-burning.

And this cutting technology can cut out finished products with burr-free, bright cut surface.

● Nitrogen cutting

In the sheet metal cutting with oxygen as auxiliary gas, nitrogen can be switched to cut.

During nitrogen cutting, the material is completely melted by laser energy.

And nitrogen blew out of the slit to avoid the improper chemical reaction.

The temperature in the melting point area is relatively low, with the cooling and protection effect of nitrogen, the reaction is stable.

Even  and the cutting quality is high.

The section is fine and smooth, the surface roughness is low, and there is no oxide layer.

More questions,pls feel free to contact us.

Ariel Liu

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