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Laser cutting machine is an efficient, accurate and convenient tool, and its application in the field of industrial development in the future is an inevitable trend. After nearly two decades of industrial development, laser cutting machines have developed into indispensable tools in the field of sheet metal manufacturing. Therefore, in addition to meeting the basic requirements of cutting thickness and speed, the choice of equipment should pay more attention to product stability, intelligence, low energy consumption, simple operation, low carbon and environmental protection.
The application industry of fiber laser cutting machine
You can buy a variety of fiber laser tools in large manufacturing plants, each Both are specially used for cutting a specific thickness range: small beam systems for light specifications and large beam systems for thick plates. For small manufacturing plants that rely on a single tool to cut all metals, if they are restricted to a fixed scale, especially when faced with different operating groups, the reduction in productivity will be reduced. These workshops often change the focusing lens of the cutting head to better optimize the size of the laser spot for a given job. When the laser is unable to cut, every replacement of the lens will result in a loss of production efficiency, and there is a risk of contaminating the lens and cutting head, which may lead to catastrophic failure and high maintenance and shutdown costs.
Because the existing laser light source lacks adjustable speckle size, tool integrators and manufacturers have to work Choose between combination flexibility and tool performance and reliability. This compromise increases costs and reduces productivity.
Fiber lasers dominate the sheet metal cutting market due to their unparalleled productivity, precision and cost-effectiveness. Fiber lasers in the 2-6 kw range have become major manufacturing plants. Compared with traditional cutting technologies such as carbon dioxide (co?), lasers and plasma torches, it can provide faster and more precise metal sheet cutting. However, many fiber laser systems are designed to be only suitable for a limited range of metal cutting thickness, especially in this case, a small, tightly focused laser beam can provide the fastest cutting speed for thin-gauge materials, but for The processing quality and maximum thickness of thick plates and small beam edges are limited. Or, due to wider cuts and larger beams, the edge quality of thick plates can be improved, but for thin plates, there will be a great loss in speed.
The ability to automatically adjust the spot size will greatly improve the applicability, production efficiency and process window of fiber lasers. Most current methods require free space optics for maneuvering. Such as zoom cutting head, fiber or free space fiber coupler that changes the fiber launch condition, 2-4 output fiber switch coupled to independently processed fiber, etc. This free-space optical method will greatly increase cost and complexity, and reduce tool performance and reliability. They are sensitive to misalignment, pollution and environmental conditions (temperature, vibration), resulting in power dependence (thermal lens), light loss, and/or reduced switching speed. The zoom cutting head has a built-in electric lens, which is larger and heavier than the standard cutting head, which reduces the acceleration performance and puts forward additional design requirements for the gantry and motor. Tool designers using these methods need to pass the burden of cost, performance, and reliability to the customer (end user).
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