Views:0 Author:Site Editor Publish Time: 2021-05-29 Origin:Site
The basic principle of wood laser carving machineprocessing is basically the same as that of laser cutting processing. Both use high-energy-density laser beams to convert heat energy to instantaneously cause wood thermal decomposition and carbonization, thereby removing part of the material. Laser cutting is to separate different parts of wooden materials (mainly plates), while laser engraving is to process the required patterns, patterns and characters on the surface of wooden materials. For the same wooden board, laser cutting requires more energy, while laser engraving does not need to cut through the workpiece, so the energy required is relatively small. I’d like to expand on the types of laser engraving of wood materials when using wood laser carving machine.
Cutting and engraving is to use the cutting method of wood laser carving machine to process the required patterns on the surface of wooden materials. First, the pattern is decomposed and expressed into several line forms, and then these lines are cut by laser, and then the pattern represented by the cut lines is obtained.
Concave engraving is to cut the pattern part, while leaving the wood material surface intact on the outer part of the pattern. There are two situations when using wood laser carving machine. The first situation is that the cutting force is the same for each point on the pattern, and the engraved pattern is mainly reflected by the outline shape; the second situation is based on the distribution of the pattern's brightness and contrast. The "dark" part of the pattern should be cut out more, and the "bright" part of the pattern should be cut out less or not. The former is suitable for sculpting characters, animals, plants and other patterns with main appearance, while the latter is more suitable for sculpting patterns with details such as facial expressions.
Contrary to the concave mold engraving, wood laser carving machine only cuts the material around the pattern, and the cutting force is the same at each point, but the pattern itself is left uncut. This kind of engraving method is suitable for the expression of text, figure outline, etc. The material cutting method of the latter two engraving methods is that each time the laser head walks on the cutting surface, it cuts a linear groove, and then cuts the next line after a small translation distance. The distance between two slots can be O. 05-0. 5mm. In this way, multiple linear grooves are used to achieve the purpose of removing the area material required by the two engraving forms. Of course, in the second form of die engraving, on the same cutting line, the size of the groove, especially the depth of the groove, will change as needed.
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