The Relationship Between Laser Power and Engraving Effect

Many people think that for a laser engraving machine, the higher the power, the faster the engraving speed is the best, but this is not the case, because the power and engraving speed of the laser engraver will directly affect the engraving depth and width, which will affect Engraving quality. Therefore, the speed and power of the laser engraving machine of different materials should be determined according to the specific product, which is better for the product. Ortur Laser Master 3 can adjust the engraving power according to the user. Today we will take a look at the influence of the speed and power of the laser engraving machine on the engraving quality.

When the laser engraving machine performs engraving work, the main function is the laser power density value. Different materials have critical power density thresholds. In order to engrave, the power must exceed this critical threshold to melt the material and achieve engraving results. Therefore, each engraving machine has the highest laser power. For example, the laser power of LaserPecker 2 is 10W, and the laser power of xTool D1 Pro can reach 20W. You can buy these engravings at the most cost-effective price in the HTPOW online store machine. When the laser power is constant, the engraving speed becomes the main factor affecting the engraving strength, and the appropriate laser engraving speed is the guarantee of the firmness of the engraving.

For high-power laser welders, it is easy to burn the alloying elements in the weld area, reducing the strength and mechanical properties of the welds, and at the same time, because the high-power welders make the weld formation worse, increasing the number of welds. surface holes. Too fast engraving speed will reduce the strength of the weld, which is due to the increase of pores in the weld and the reduction of the effective bearing area.

The engraving speed together with the laser power affects the engraving depth. At a certain speed, there is a critical region of weld strength. When the power is below its lower limit, the strength increases with the increase of the power, because with the increase of the power, the penetration increases and the bond strength also increases;

Principle of Laser Engraving

When the power is greater than the upper limit of the critical region, the intensity decreases as the power increases.
The working principle of the Ortur laser engraving machine is that the surface of the workpiece is heated by laser radiation, and the surface heat is diffused to the interior through thermal conduction. By controlling parameters such as the width, energy, peak power and repetition frequency of the laser pulse, the workpiece is melted to form a specific molten pool. But sometimes light energy is not fully converted into metal melting, but manifested in other forms, such as vaporization, plasma formation, etc.

Therefore, the ability to control the light energy conversion rate has become the key to the technology, rather than blindly increasing the power of the fiber laser engraving machine to make up for this deficiency.

When the engraving speed of the TRIUMPH laser engraving machine is constant, the laser power should also remain constant. However, it is also possible to increase the laser power and speed up the engraving speed, which can improve the efficiency and ensure that the weld is just penetrated.

This is Kevin from HTPOW Feel free to contact me if you want to know more about laser engravers. I will give you a professional answer with the best advice.

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