Laser marking machine how to make bitmap photos

How to debug the bitmap, picture and photo parameters of the laser marking machine to get a good effect? Why is the picture I marked not clear and it looks like a pockmark? How to deal with the pictures printed by the laser marking machine? There are three key elements in this question. First, we need to understand the laser marking machine; second: what is a bitmap? Third: how to fight?

First of all: laser marking machine. Laser marking machine is a combination of laser generator, controlled by computer software, with optical lens focusing, deflection and other principles, so that the laser is projected onto the surface of the product, according to the graphics and parameters set by the software, the controllable laser makes the surface of the product Discoloration or vaporization to form permanent marks. It is called laser marking machine or laser engraving machine, laser machine, laser engraving machine, etc. Not too much statement here.

Second: Bitmap. Bitmap images, also known as bitmap or raster images, are made up of individual dots called pixels (picture elements). To put it more commonly, the photos taken by our digital cameras, mobile phones, and pictures cut from the computer screen can be called bitmaps. We can simply draw the equal sign: bitmap is a picture, a photo.

Third: How to play bitmap? First, prepare a high-definition contrast photo (the pixels of the low photo are too low to produce a good effect), import it into the laser marking machine software, and then we set the relevant parameters. First of all, what does fixed DPI value mean? Simply put, it is the pixel point. The higher the value set in it, the better the effect will be, and the relative time will be slower. The commonly used value here is around 300-600 (different photos, different materials, different marking machine configurations) , the settings are also different), of course, you can set a higher value, and you can set relevant parameters here. Then we need to set the relevant photo parameters. In most cases, we need to set the inversion and dot mode for the photo (there will also be a situation where the inversion is not selected. Under normal circumstances, it is necessary to set the inversion). After setting, enter the extension, Check the brightening treatment, the contrast adjustment is to control the ideal effect of the photo, the white area is not marked, and the black area is marked. Let's look at the scan mode. Here I usually use the dot mode to set 0.1 to 0.3. Bidirectional scanning is generally not recommended. It is too slow to scan left and right, and there is no need to adjust the point power.

The speed on the right side of Z is set to about 2000, the power is about 40 (the power is determined according to the material of the product, and the power of 40 is set for reference. If the phone case is taking photos, the power can be set higher), the frequency Around 30, the frequency setting is a problem. The higher the frequency, the denser the laser spots. But there is one thing, each photo needs to adjust the contrast, and adjust the DPI, the material and the photo are different and the parameters are different.

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