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Laser cutting uses a focusing mirror to focus the laser beam on the surface of the material to melt the material. At the same time, the molten material is blown away by a compressed gas coaxial with the laser beam, and the laser beam and the material are moved relative to each other along a certain trajectory. A certain shape of the slit.
Laser cutting applications
Machine tools, engineering machinery, electrical switch manufacturing, elevator manufacturing, grain machinery, textile machinery, locomotive manufacturing, agriculture and forestry machinery, food machinery, special vehicles, petroleum machinery manufacturing, aerospace, environmental protection equipment, household appliance manufacturing, large motor silicon steel sheets, etc. Machinery manufacturing and processing industry.
Significant advantages of laser cutting
1. High precision: positioning accuracy 0.05mm, repeat positioning accuracy 0.02 mm
2. Narrow slit: The laser beam is focused into a small spot of light, resulting in a high power density at the focus. The material is quickly heated to a degree of vaporization and evaporates to form a hole. As the beam moves relatively linearly with the material, the holes are continuously formed into slits of narrow width. The slit width is generally 0.10 to 0.20 mm.
3. The cutting surface is smooth: the cutting surface has no burrs, and the surface roughness of the cutting surface is generally controlled within Ra12.5.
4. Fast speed: cutting speed up to 10m/min, maximum positioning speed up to 70m/min, much faster than wire cutting.
5. The cutting quality is good: no contact cutting, the cutting edge is little affected by heat, and there is basically no thermal deformation of the workpiece, completely avoiding the collapse formed when the material is punched and sheared, and the slit generally does not require secondary processing.
6. Does not damage the workpiece: the laser cutting head does not come into contact with the surface of the material, ensuring that the workpiece is not scratched.
7. It is not affected by the hardness of the material to be cut: the laser can process steel plates, stainless steel, aluminum alloy plates, hard alloys, etc., regardless of the hardness, can be cut without deformation.
8. Not affected by the shape of the workpiece: laser processing is flexible, can process any graphics, can cut pipes and other profiles.
9. Non-metal cutting can be done: plastic, wood, PVC, leather, textiles, plexiglass, etc.
10. Saving mold investment: laser processing does not require molds, no mold consumption, no need to repair molds, saving mold replacement time, thereby saving processing costs and reducing production costs, especially for processing large products.
11. Material saving: computer programming can be used to cut the entire board material of different shapes to maximize the utilization of materials.
12. Improve the speed of new product development: After the product drawings are formed, laser processing can be performed immediately, and the new product can be obtained in the shortest time.
Laser cut material and thickness
Material thickness (mm)
Stainless steel plate 0.2-12.0
Carbon steel plate 0.1-25.0
Color steel plate 0.2-2.0
矽 steel plate 0.3-1.0
Aluminum plate 0.1-10.0
Brass plate 0.2-3.0
Acrylic sheet 0.5-30.0
PVC board 0.5-30.0
MDF 0.5-30.0
Fire board 0.5-3.0
Wood board 0.5-30.0
CNC laser cutting technology
Principle of laser cutting