Laser metals welding

Laser metals welding

Laser welding is an effective method to join metal construction materials. It has high welding speeds, causes minimal deformation of the joint parts together with a very narrow area affected by heat.

Laser welding technology is applicable for very demanding and precise welds with suitable quality for batch or mass production with automated processes.

The main application areas are the automotive industry, precision engineering, arms production, electrotechnical production (module and connector production), medicaldevices (dental technology, surgical instruments and medical components production), thin metal sheet machining, welded profile and pipe production, production of heat exchangers, shafts, gears, lasers, etc. Lasers can also be used for the repair in a manufacturing operation (tool and mold repair/production).

Laser welding advantages:

  • narrow and deep welds on a wide variety of materials
  • laser welding has a very small energy input per unit length resulting in low deformation, low residual internal stresses due to only a small zone affected by heat
  • high productivity
  • laser beam inertia is very small, laser welding is therefore suitable for automation
  • lasers can weld in normally inaccessible places
  • contactless welding
  • high weld quality
  • greater depth of penetration
  • targeted, small and well localized thermal load
  • high weld temperatures
  • 3D contours are producible (high flexibility)
  • non-visible weld boundary
  • wear-resistanc

Materials suitable for welding:

  • stainless steel
  • mild steel with carbon content up to 0.3% with unsignificant contaminants and low  sulfur content  
  • Titanium zirconium and chromium-nickel alloys
  • plastics

Most materials weldable by conventional methods can be welded much faster and with better visual results with the aid of lasers .

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