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光纤激光在薄板焊接上的优势

  有0人浏览   日期:2019-09-05

文章摘要: 随着电气机械、汽车、铁路、船舶、航空航天等行业的自动化进程的推进,激光焊接技术被应用得也越来越多。激光焊接设备也将向多样式、多功率方向发展。......

随着电气机械、汽车、铁路、船舶、航空航天等行业的自动化进程的推进,激光焊接技术被应用得也越来越多。激光焊接设备也将向多样式、多功率方向发展。

With the advancement of automation in electrical machinery, automobile, railway, ship, aerospace and other industries, laser welding technology has been applied more and more. Laser welding equipment will also develop in the direction of diversification and multi-power.

目前,市场上应用较多的激光器类型有三种:光纤、脉冲Nd:YAG和CO2激光源。这三种类型的焊机设备都获得了足够的发展空间,在大功率加工上都得到了重用。但是有些应用就不是这样了,如超薄材料。

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At present, there are three types of lasers widely used in the market: optical fibers, pulsed Nd:YAG and CO2 laser sources. These three types of welding machine equipment have gained enough room for development, and have been reused in high-power processing. But this is not true for some applications, such as ultra-thin materials.

超薄材料的焊接,是个超精细的技术活,对激光器光束的要求较高:能量集中、焊接变形小和柔性,否则就会产生虚焊或烧穿的现象。而这些优点,光纤激光器都有。

Ultra-thin material welding is an ultra-fine technical work, which requires high laser beam: energy concentration, small welding deformation and flexibility, otherwise it will produce virtual welding or burn-through phenomenon. Fiber lasers have all these advantages.

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光纤激光器光束聚焦后的光斑最小可达10微米,这样出来的焊点非常小。而且由于它是一种连续波激光,因此满足了批量、连续焊接加工时所需要的高功率密度。在轻量化要求较高的航空航天领域,光纤激光焊接轻质材料薄板具有更大的优势,已成为航空界研究的焦点。随着相关项目、技术的成熟,光纤激光器在焊接的应用上会越来越广。

The focal spot of the laser beam can be as small as 10 microns, so the solder joint is very small. And because it is a CW laser, it meets the high power density needed in batch and continuous welding processing. In the field of Aeronautics and Astronautics with high lightweight requirements, optical fiber laser welding of light material sheets has become the focus of aeronautics research because of its greater advantages. With the maturity of related projects and technologies, the application of fiber laser in welding will be more and more extensive.

光纤激光焊接薄板的冷却要求

Cooling Requirements for Fiber Laser Welded Thin Plates

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别看这种光纤激光器加工精细,其实它并不“矫情”,很好维护。只要正确操作和使用,它的寿命是很长的。其中,激光冷水机的选配是关键。首先,激光冷水机要有足够的制冷能力,然后要有稳定性。另外,水质也会对激光器造成影响(可选配离子过滤器解决。)

Despite the fine fabrication of this kind of fiber laser, in fact, it is not "artificial" and is well maintained. As long as it is properly operated and used, its life is very long. Among them, the selection of laser water cooler is the key. First of all, the laser water cooler should have enough refrigeration capacity, and then stability. In addition, the water quality will also affect the laser (optional ion filter solution).

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Above is the wonderful content provided by today's edition. The relevant technical knowledge is provided by the free website publicity platform. More small partners are welcome to leave comments for us: http://www.lushangyun.com.


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