BWT Thunder series fiber lasers have good beam quality, which makes them perfect choices for precision processing. The two operation modes, CW and modulation, minimize heat-affected zone. Reliable performance, modular and all-fiber design, and robust case enclosing all optical and electronic components ensure that they can be used under strict indu...
05-109800Laser welding, as an efficient and precise welding technology, has been widely used in modern industrial manufacturing. The generation of plasma is an important phenomenon in laser welding, which has a significant impact on the welding process and welding quality.Plasma generation in laser weldingDuring laser welding, a high-energy laser beam is ...
04-3013600Laser welding machines are widely used for efficient and high-precision welding of various metal and non-metal materials. However, in order to achieve good welding results and high efficiency, correct settings and debugging are crucial. Next, we will provide a professional introduction to the precautions that need to be taken when setting up a lase...
04-1617400In the vast sky of laser technology, nanosecond lasers have become the "precision surgical knives" in industrial manufacturing, medical research and other fields due to their unique pulse characteristics, efficient energy conversion and wide application scenarios.The working principle of nanosecond laserNanosecond lasers generate optical amplific...
04-1516400The laser welding speed directly affects the formation of the weld seam, welding strength, and the size of the heat affected zone. Appropriate speed can ensure good weld quality and welding strength, and too fast or too slow speed may lead to a decrease in welding quality.Laser welding, as an efficient and precise welding technology, has been wid...
04-0718702Reasons for Material Deformation in Laser Welding1. Thermal stressLaser welding is the process of melting and connecting materials at high temperatures, resulting in structural changes. During the cooling process of materials, internal stress is generated due to different cooling rates in different parts, resulting in material deformation.2. Residu...
03-3120021The positive and negative effects of laser welding defocus amount affect the welding effect, with positive defocus increasing the depth of fusion and negative defocus decreasing the depth of fusion. Adjusting the defocus amount requires consideration of materials, thickness, and welding requirements to ensure welding quality.In the field of laser...
03-2620900The main reasons for weld cracking1. Material characteristics:Difference in thermal expansion coefficient: When the welded plate is composed of different materials, due to their different thermal expansion coefficients, stress will be generated during heating and cooling, leading to weld cracking.Material purity: Changes in impurities or alloy comp...
03-2518800The laser welding head is connected to the laser output end using a fiber coupler, and the optical path is deflected, converged, and shaped through internal optical components. Meanwhile, by establishing a connection between the motion actuator and the product coordinate system, the accuracy of the welding position is ensured. According to differen...
03-2118800Precautions for using plastic laser welding machineBefore turning on the laser, ensure that there are no excess obstructions on the welding joint! Before powering on the system, please confirm that the welding joint mirror and fixture surface are clean and can be cleaned with specialized cleaning solutions such as anhydrous alcohol.When major abno...
02-2818300Improper setting of welding parametersThe parameter settings of laser welding have a significant impact on the welding effect. If the parameter settings are not appropriate, it may cause pits on the surface of the weld seam. Therefore, before performing laser welding, it is necessary to set reasonable parameters such as laser power, focal position,...
02-27199001. Common consequences of poor welding quality-Decreased welding strength: Poor quality welds often have defects such as cracks, pores, and lack of fusion, which lead to a decrease in the strength of the welded joint and make it unable to withstand external loads, thereby affecting the overall safety and reliability of the product.-Reduced fatig...
02-2618400Fault in the fiber optic section1. Fiber breakage: Fiber breakage is the most common situation in fiber laser machine failures, usually occurring in fibers that have been in use for a long time or have been excessively bent. The solution is to replace the fiber with a new one.2. Fiber optic pollution: When the surface of the fiber optic cable is co...
02-2021000Reasons for poor laser weldingPoor laser welding can be caused by various reasons, such as improper welding parameter settings, poor quality of welding materials, improper preparation of welding surfaces, and malfunction of welding equipment.1. Improper setting of welding parametersWhen the parameters such as laser power, focal length, and focal ...
02-1421700Reasons for black welding in laser weldingThe blackening of laser welding is generally caused by the following reasons:1. Gas pollution: During laser welding, impurities in the gas may cause incomplete melting, resulting in blackening of the weld surface.2. Insufficient energy: If the energy of the laser is insufficient, the temperature of the wel...
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