The 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...
3 days ago1400The 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...
03-251900The 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...
03-212300Precautions 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...
02-284200Improper 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,...
02-2740001. 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...
02-264200Fault 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...
02-205000Reasons 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 ...
02-145300Reasons 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...
02-135101The four major precautions for laser welding of aluminum alloys: Laser welding machines can indeed provide high energy density and welding speed when welding aluminum alloys, making the welding process more efficient. However, the high reflectivity and low heat absorption of aluminum alloys also pose significant challenges for welding. To avoid pot...
02-0574001、 Waterway inspectionThe main reason for abnormal water flow in the laser is due to water blockage or pump failure. Therefore, we first need to check whether the water path of the laser is blocked and whether it is well connected. If there is a blockage in the waterway, it is necessary to clean or replace the local water pipe and exhaust it. If th...
01-069501In modern manufacturing, laser welding machines have become indispensable high-precision welding tools in many industrial fields due to their high efficiency and precision. However, in the face of frequent job demands and harsh working environments, the laser occasionally emits alarm signals, which not only affects production efficiency but also te...
2024-12-2613100Reasons for laser weld indentation problemDuring the laser welding process, the welding area is subjected to high temperatures, which can cause deformation due to thermal expansion and contraction, resulting in a concave weld seam. In addition, the selection of welding materials and welding parameters can also affect the occurrence of weld indentat...
2024-12-1211010Reasons for the appearance of color in laser welding seamsDuring laser welding, if the welding parameters are not appropriate, it often leads to the appearance of color in the weld seam. This problem mainly occurs on high reflective materials such as stainless steel, aluminum alloys, and titanium alloys. After analysis, in addition to inappropriate...
2024-12-119500Handheld laser welding machines, as an important tool in modern welding technology, have been widely used in various industries due to their high efficiency, precision, and flexibility. However, correct operating techniques and safety precautions are key to ensuring welding quality and operator safety. This article will provide a detailed introduct...
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