How to judge the cutting quality of a laser cutting machine cutting stainless steel carbon steel plate?

With the rapid development of laser-cutting technology, the laser-cutting machine has become the preferred equipment for many manufacturing enterprises and factories, because they can cut and process various metal materials with high precision. But how to judge the cutting quality of a laser cutting machine? In this article, we’ll explore the quality aspects of cutting with a laser cutter.

sample80 fiber laser cutting machine

1. Roughness

Laser cut sections will form vertical lines, the depth of which determines the roughness of the cut surface. The lighter the line, the smoother the cut. Roughness affects not only the appearance of the edge but also the friction characteristics. In most cases it is necessary to minimize roughness, so the lighter the grain, the better the cut.

sample119 fiber laser cutting machine
sample117 fiber laser cutting machine

2. Verticality

If the thickness of the sheet metal exceeds 10mm, the perpendicularity of the cutting edge is very important. As you move away from the focal point, the laser beam becomes divergent and the kerf widens towards the top or bottom depending on the position of the focal point. The cut edge deviates by a few hundredths of a millimeter from the vertical, the more vertical the edge, the better the cut.

3. Cutting width

In general, the kerf width does not affect the quality of the cut. The width of the cut only plays an important role when forming particularly precise contours inside the part. This is because the width of the cut determines the minimum internal warpage of the profile. As the thickness of the sheet increases, the cutting width increases accordingly. Therefore, to ensure the same high precision, no matter how large the cutting width is, the processing area of the laser cutting machine should remain constant.

4. Cutting smoothness

The smoothness of the incision is an important indicator for judging the cutting quality of the laser cutting machine. The quality of the smooth cut is good, indicating that the power and stability of the cutting machine are relatively good. Otherwise, the equipment needs to be repaired or replaced.

5. Accuracy of incision position

The accuracy of the cut position is evaluated by comparing the cut part with the drawn part. The smaller the deviation of the incision position, the closer the incision position is to the position of the drawing piece, indicating the higher the precision of the cutting machine. If the deviation of the notch position is large, it means that there is a problem with the screw and other parts of the equipment, and it needs to be adjusted or replaced.

Sheet And Tube Laser Cutting Machine3 dxtechindia
Economical Sheet Laser Cutting Machine1 DXTECHINDIA

6. Texture

When cutting thick plates at high speed, the molten metal does not appear in the kerf below the vertical laser beam but is ejected at the rear of the laser beam. As a result, a curve is formed on the cutting edge, and this curve closely follows the moving laser beam. To correct this, reducing the feed rate at the end of the cutting process can greatly eliminate line formation.

7. Glitch

When forming burrs, it is a very important factor to determine the cutting quality of the laser cutting machine. Because the removal of burrs requires an additional workload, the severity and amount of burrs can intuitively judge the quality of the laser-cutting machine.

8. Material deposition

Before the laser cutting machine starts to melt and perforate, a layer of oil-containing special liquid is encountered on the surface of the workpiece. During the cutting process, due to gasification and no use of various materials, the customer uses the wind to remove the cut, but upward or downward discharge Deposits may also form on surfaces.

9. Pitting and Corrosion

Pitting and corrosion can adversely affect the surface of the cutting edge and affect its appearance. They occur among cutting errors that should generally be avoided.

To sum up, if you want to guarantee excellent cutting quality when choosing a laser cutting machine, it is recommended that you check its certification before purchasing. At the same time, the above points are also very important for judging whether the cutting is good or bad. Using this to evaluate the quality and performance of the laser cutting machine can ensure the improvement of your production efficiency and product quality.