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合肥钣金加工浅谈激光焊接原理、分类及应用

激光焊接就是运用受激发射的激光作为热源,将资料加热熔化,冷却以到达原子间结合的进程。激光焊接按填充资料与否可分为激光自熔焊和激光复合焊(又称激光填充焊);按振镜结构可分为一般激光焊,激光扫描焊;依照焊接熔深可分为激光热传导焊和激光深熔焊。

合肥钣金加工浅谈激光焊接原理、分类及应用

激光焊接作为一种高质量、高精度、低变形、高功率和高速度的焊接方法,日益遭到人们的重视。前期的运用均是选用脉冲固体激光器,进行小型零件的点焊和由点焊点搭接而成的缝焊。高功率CO2激光器得到了与电子束焊相似的根据小孔效应的深熔焊接,使得激光深熔焊技能在工业机械中得以迅速开展并广泛运用。


跟着高功率YAG激光器平均功率打破1Kw,且可连续或高重复频率输出,也能够完成深熔焊。而其波长较短,金属对它的吸收率高,焊接进程很少遭到光致等离子体的搅扰,有良好的运用远景。


跟着光纤激光器的研发成功,大功率光纤激光器成功制作,光纤激光器光束质量好、运用寿命长、设备免保护期长,储藏功率乃至比CO2激光器还高,光波长却只有其十分之一,电光转化功率到达30%,促进了激光焊接运用的开展。激光焊接的运用范畴也由现在已触及航空航天、兵工、船只制作、汽车制作、压力容器制作、展用及医用等多个范畴。


Laser welding is the use of stimulated emission of laser as a heat source, the data heating, melting, cooling, to achieve the process of bonding between atoms. Laser welding can be divided into laser self welding and laser composite welding according to the filling data, and can be divided into general laser welding and laser scanning welding according to the structure of the galvanometer; according to the welding depth, the laser welding can be divided into laser heat conduction welding and laser deep penetration welding.


Laser welding, as a high quality, high precision, low deformation, high power and high speed welding method, has been paid more and more attention. The application is used for pulse solid laser spot welding of small parts, and from the point of a solder joint lap seam welding. High power CO2 laser is similar to electron beam welding, and the deep penetration welding based on keyhole effect makes the laser deep penetration welding technology develop rapidly and widely used in industrial machinery.


With high power YAG laser breaking the average power of 1Kw, and can be continuous or high repetition frequency output, but also can complete deep penetration welding. Its wavelength is relatively short, the metal absorption rate is high, the welding process is rarely subject to light induced plasma disturbance, and has a good application prospect.


Along with the development of fiber laser, high power fiber laser is fabricated, fiber laser beam quality, long life and equipment from long term of protection, storage and power is higher than CO2 laser wavelength, but only 1/10 of its power, electro-optical conversion reached 30%, to promote the use of laser welding. The category of laser welding has now reached from aerospace, ordnance, ship making, automobile manufacture, pressure vessel production, exhibition and medical and other fields.


合肥钣金加工官方网站:http://www.hfzbjg.com/



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关键词:合肥激光切割加工  合肥激光切割钣金加工  合肥钣金加工  合肥碳钢板加工  合肥不锈钢切割  合肥钢板切割  合肥碳钢板切割  合肥大型激光切割加工