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The working principle of laser engraving machine

Source:未知Author:admin Addtime:2021-08-02 14:27 Click:
How does the laser engraving machine work? As a beginner or operator, before starting to use the laser engraving machine, you must first understand the working principle of the laser engraving machine, and understand the operating steps and precautions of the laser engraving machine.
The working principle of laser engraving machine refers to dot matrix engraving and vector cutting.
 
1. Lattice carving
Dot matrix engraving is similar to high-resolution dot matrix printing. The laser head swings left and right to engrave a line consisting of a series of dots each time, and then the laser head moves up and down to engrave multiple lines at the same time, finally forming a whole page of images or text. Scanned graphics, text and vectorized graphics can use dot matrix engraving.
 
2. Vector cutting
Vector cutting is different from lattice engraving. Vector cut text outline. We usually use this mode to cut wood, acrylic, paper and other materials, and we can also perform marking operations on the surface of various materials.
In addition, we have to understand these 3 concepts: laser engraving speed, laser engraving intensity and spot size.
 
3. Laser engraving speed
Laser engraving speed refers to the speed of laser head movement, usually IPS (inches per second) means that high speed brings high production efficiency. Speed ​​is also used to control the depth of cut. For a specific laser intensity, the slower the speed, the greater the depth of laser cutting or laser engraving. You can use the engraving machine panel to adjust the speed, or you can use the computer's print driver to adjust. In the range of 1% to 100%, the adjustment range is 1%. The advanced motion control system of the laser engraving machine allows you to obtain ultra-fine engraving quality during high-speed engraving.
 
4. Laser engraving intensity
The intensity of laser engraving refers to the intensity of laser irradiation on the surface of the material. For a specific engraving speed, the greater the intensity, the greater the depth of cutting or engraving. You can use the panel of the engraving machine to adjust the intensity, or use the computer's operating software to adjust the intensity. In the range of 1% to 100%, the adjustment range is 1%. The greater the intensity, the lower the speed, and the deeper the cutting depth.
 
5. Spot size
The size of the laser beam spot can be adjusted by lenses with different focal lengths. The small spot lens is used for high-resolution engraving. The large spot lens is used for lower resolution engraving, but it is the best choice for vector cutting.

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