Overview of 3D Fiber Laser Cutting Robot
The 3D fiber laser cutting machine is an advanced equipment comprised of a specialized fiber laser cutting head, high-precision capacitive tracking system, fiber laser, and industrial robot system. It is designed for multi-angle, multi-directional flexible cutting of metal plates with different thicknesses. The 3D robot laser cutting machine is widely used in metal processing, machinery manufacturing, and automotive parts manufacturing, where there is a demand for processing 3D workpieces in production.
3D Fiber Laser Cutting Robot
(1) Principle of 3D laser cutting: After the laser is generated by the laser source, it is transmitted by mirrors and focused by a lens onto the material being processed. The material (surface) is subjected to intense thermal energy, causing a rapid increase in temperature. This results in the material at that point melting or vaporizing quickly due to the high temperature, achieving the purpose of processing in conjunction with the laser head's motion trajectory.
(2) Fiber selection: Depending on the thickness of the metal plate, different power levels of fiber lasers are used. The power levels of 3D cutting fiber lasers generally range from 200W, 300W, 400W, 500W to 1000W, among other specifications. Different cooling systems are equipped for different power lasers to ensure the normal operation of the laser. Additionally, the appropriate length of operational fiber transmitting the laser is chosen based on the working radius of the mechanical arm and the size of the workpiece to meet the client's cutting requirements.
(3) Auxiliary gas requirements: The 3D fiber laser cutting machine uses auxiliary gas with 99.99% oxygen, which greatly contributes to the accuracy, speed, and quality of the cutting section.
Features of the 3D Fiber Laser Cutting Robot
High flexibility makes it especially suitable for small batch 3D sheet metal cutting. Its high flexibility is mainly reflected in two aspects:
First, strong adaptability to materials. The laser cutting machine can cut almost any sheet material through CNC programming.
Second, the processing path is controlled by the program. If the processing object changes, only the program needs to be modified, which is particularly evident when trimming or punching holes in parts. Since trimming and punching dies are ineffective for different parts and their cost is high, 3D laser cutting has a trend of replacing trimming and punching dies. Generally speaking, the design and use of jigs for 3D mechanical processing are relatively complex, but during laser processing, no mechanical force is applied to the sheet being processed, making jig manufacturing very simple. Moreover, one laser device can achieve multiple functions if equipped with different hardware and software.
In summary, in actual production, 3D laser cutting has significant advantages in improving product quality, production efficiency, shortening product development cycles, reducing labor intensity, and saving raw materials. Therefore, although the equipment cost is high and the initial investment is substantial, many domestic automobile and aircraft manufacturers have purchased 3D laser processing machines, and some universities have also acquired corresponding equipment for research. 3D laser technology is bound to play an increasingly vital role in the manufacturing industry in our country.
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