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Gear Welding

Why Laser Welding?

Gear welding is a straight-forward laser welding application that is fast and efficient. Preco, Inc. manufactures laser systems and provides contract manufacturing services for your gear welding needs. Preco is your number one source for laser processing solutions.

Laser welding gears has many advantages over conventional methods. It is a fast and accurate process. This accommodates multiple joint designs and geometry. Dissimilar materials can also be welded with controlled joint alignment and weld bead profile. Low heat input minimizes temper effects and distortion. Without filler material the cost per part is decreased. Complex gear manufacturing costs are decreased through designing combination parts that can be laser welded.

Laser welding can provide desired cosmetic, hermetic and strength characteristics. Laser welding does not require filler material, but it can be applied if needed. The final cosmetic appearance of the weld does not warrant additional post processing. Continuous wave and pulse repetition modes are available to assure a hermetic seal. Weld penetrations up to 15 mm can be made in one pass. Minimized heat affected zone and weld microstructures are optimum properties of a high strength laser weld.

Preco Laser Technology Advantages

Laser welding can help you lower unit costs and add the kind of flexibility that creates new opportunities for your business.

  • Create complex gears from basic components, which are often shared between designs
  • Reduced heat input for minimal part distortion
  • Improve manufacturing process efficiency with laser welding speed and accuracy
  • Weld dissimilar materials

Laser welding can provide the desired cosmetic, hermetic and strength characteristics your metal components require.

  • The final cosmetic appearance of the weld does not warrant additional post processing
  • Multiple processing modes to assure a hermetic weld
  • Minimal heat affected zone (HAZ)
  • Weld penetrations up to 15 mm without filler material
  • Hybrid processing (laser + mig) available if filler material is required
  • Induction-assisted laser welding available

Here's what you get when you put our laser manufacturing resources to work for your company:

  • Experienced staff of technicians, engineers and metallurgists
  • Extensive application knowledge
  • Quality assurance programs
  • Process development & feasibility studies
  • Short to long run production
  • System manufacturing
  • Design and fabrication of optics, tooling and fixturing
  • Real-time process monitoring and control
  • 24 hour service / 7 days a week production
  • Standard and custom welding systems with lasers to 12 kw
  • Full metallurgical analysis and QC labs
  • Ph.D. level staff
  • Automated statistical process control
  • Experimental design services (DOE)

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Laser Advantages
  • Superior weld quality
  • Low heat input
  • High weld speed
  • No filler material
  • Hard to reach areas easily accessed
  • Low tooling cost
  • Excellent process control
  • Increased throughput

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