Lassercladden

激光熔覆焊

用金属粉状或焊丝状的焊接填充料进行激光熔覆焊,可用于维修、磨损和防腐蚀熔覆,以及生产 3D 部件(增材制造)。

激光沉积焊接:工艺技术

激光沉积焊接将高效激光用作热源。通过同时熔化并涂覆几乎任意一种材料产生表面覆层。辅材既可以选用粉状材料(如金属粉末),也可以选用焊丝。在采用粉末进行激光沉积焊接的过程中,激光通常以散焦的方式加热工件,并将其原地熔化。同时输送混合细金属粉末的惰性气体。在加热位置上,金属粉末熔化与工件表面融合为一体。

Wire-based laser metal deposition is a material-efficient 3D printing process used for producing metallic components

Additive manufacturing with wire feeding offers significant advantages in the production of geometrically complex and large components.

激光沉积焊接:优点

  • 维修取代更换:对于复杂且昂贵的工件来说,即使是细微的损伤或正常磨损也经常会产生巨大的成本,因为往往需要更换整个相关工件。因此维修是值得的。激光沉积焊接就是一种理想的工艺。
  • 功能表面:丰富的材料类别使激光沉积焊接可以根据相应的功能对表面进行最佳调整,例如用于磨损和腐蚀防护。
  • 工件的增材制造或功能组件越来越多地应用于工业生产领域。在大型工件领域,例如涡轮组件,借助激光粉末沉积焊接技术安装功能组件可以显著地节约制造成本。
  • 在焊接区域引入极少的热量:变形公差范围很小,所涂覆材料的接合结构对于很多应用来说都能满足甚至超出对原厂零件的要求。

自动化激光沉积焊接

KUKA 能够为您提供个性化的解决方案,以及各种激光沉积焊接生产工艺。从模块化的机器人单元到全自动设备,同时还包括与其他接合工艺相结合。

使用 KUKA 紧凑型焊接单元通过粉末激光焊接进行激光材料加工

Laser metal deposition: hybrid additive manufacturing

Discover the hybrid additive manufacturing solution from KUKA. The goal of the ProLMD project is the industrial implementation of hybrid manufacturing processes using laser technology. A Quantec KR 90 HA robot builds up new structures layer by layer on a conventionally manufactured base component. Thanks to the use of a fiber-guided system, the robot remains virtually unrestricted in its workspace. This makes it possible to respond flexibly to component geometry and size – even in the case of small batch sizes. The development of a locally integrated shielding gas system, which is only deployed when required, offers further advantages. This system is supplemented with new laser processing heads, which make use of both wire and powder as filler materials, as well as with a computer-aided manufacturing (CAM) system suitable for hybrid production. Several filler materials are being researched within the framework of ProLMD with a view to developing highly efficient laser material deposition processes.

Laser metal deposition: hybrid additive manufacturing
ProLMD joint research project: Find out more about this in the KUKA blog article.
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