Laser hybrid welding

  • 23-Apr-2010 01:43 EDT

LPKF Laser & Electronics’ laser hybrid welding technology is an expansion upon transmission welding of plastics. Combining a single-wavelength laser radiation source with a second multi-wavelength radiation source (typically halogen lamps), the TwinWeld3D system offers several advantages over conventional laser plastic welding. When it comes to welding large 3-D components, conventional welding systems may suffer from residual stresses in the material, low feed speeds, and low gap bridging, which are all issues that are easily addressed by hybrid welding. With the TwinWeld3D, LPKF offers a production system based on this technology. A clamping roller with integrated air suspension available on the TwinWeld3D helps to reduce project-related costs as the upper die become dispensable. This welding system features new 3-D design possibilities while at the same time offering strong and aesthetically pleasing welds that are entirely visible in the final assembly. Validation testing with different welding processes indicates the TwinWeld3D process is most suitable for the production of automobile taillights because of its advantages in the optical and mechanical quality of the weld seam.

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