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Application Industry Of Fiber Laser Cutting Machine

Application Industry Of Fiber Laser Cutting Machine

2020-12-09

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 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 the product stability, intelligence, low energy consumption, simple operation, low carbon, and environmental protection.

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Application industry of fiber laser cutting machine


A variety of fiber laser tools can be purchased in large manufacturing plants, each of which is dedicated to 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 facing different groups of operations, the reduction in productivity will be reduced. These workshops often change the focus 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 time the lens is replaced will result in a loss of production efficiency, and there is a risk of contaminating the lens and cutting the head, which may lead to catastrophic failure and high maintenance and shutdown costs.


Due to the lack of adjustable speckle size of existing laser light sources, tool integrators and manufacturers have to choose between the flexibility of work combinations and the performance and reliability of the tool. 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, because the cut is wider and the beam is larger, the edge quality of the thick plate can be improved, but for the thin plate cutting, the speed will be greatly lost.


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 to change fiber launch conditions, 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 imposes additional design requirements on 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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