How to improve the cutting quality when use fiber laser cutter?

How to improve the cutting quality when use fiber laser cutter?We will tell you some ways about that in this article.

Firstly.Effect of focus position adjustment on cutting quality.

After the laser beam focusing, the spot size is proportional to the focal length of the lens. After the beam focusing by the short focal length lens, the spot size is small, and the power density at the focus is high, which is good for material cutting. However, its shortcoming is that the depth of focus is very short and the adjustment margin is adjusted. Small, generally suitable for high-speed cutting of thin materials. Since the telephoto long lens has a wide focal depth, it is suitable for cutting thick workpieces as long as it has sufficient power density.

Secondly,Effect of auxiliary gas pressure on cutting quality.

In general, auxiliary gas is for material cutting, and the problem mainly involves the type and pressure of the auxiliary gas. Typically, the auxiliary gas is protecting the lens from contamination. And blowing away the slag at the bottom of the cutting zone.

For metal materials, use air or inert gas to treat the melted and evaporated materials while suppressing excessive burning of the cutting zone. Oxygen is in most metal laser cutting machines.

Finally,Effect of laser output power on cutting quality.

For a continuous wave output laser, the laser power size and mode will have an important impact on the cutting. In actual operation, it is often necessary to set a larger power to obtain a higher cutting speed, or to cut a thicker material.

If you want to improve the cutting quality,focus on the three points.

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