LASER APPLICATIONS IN MECHANICAL ENGINEERING 

The laser as a tool for precision welding and hardening of metals has long proven itself in many manufacturing processes, and it has
even made some new processes possible.  Mechanical engineering is one of the largest and most innovative industries in Germany. The product variety is enormous, and so are the application possibilities for laser technology.

Part of the reasons why laser systems are very common in mechanical engineering and heavily integrated in manufacturing and repair processes are their flexibility, easy controllability of the laser energy, and the automation possibilities. ALPHA LASER systems are used, for example, for laser deposit welding with wire or powder or for laser hardening.

The Advantages of Laser Deposit Welding with Wire or Powder

Ideal for repairs on camshafts and crankshafts, compressor rotors, turbine rotors, welding work on gears, rollers, and housing parts, or for
salvaging run-in guides and thread surfaces, producing special parts, or for re-working cavities.

Your benefits at a glance:

  • The properties of the base material are retained (there is no coarse grain formation due to the small
    heat-affected zone and dilution in the joint, and therefor also no
    hardening).
  • Thermal pretreatment is usually not required.
  • Only the damaged area is repaired, removal is often not required.
    Maintenance can be performed on site.
  • By selecting the right filler material, it is
    possible to achieve mending that is similar to the basic material.
Advantages

Advantages of Laser Hardening

Laser hardening is a very fast and inexpensive process for marginalized layer hardening, as it allows partial hardening of stressed functional surfaces,
e.g., on gears, turbines, drills, and rotors. The achievable hardness is determined by the carbon content in the base material.
Hardening paths can be drawn on: cutting edges, bending radii, guide rails, grooves, and free-form surfaces.

Your benefits at a glance:

  • Self-quenching causes rapid cooling. No additional cooling medium required.
  • Low-distortion process, as the workpiece does not require pre-heating.
  • Significant time savings compared to conventional hardening methods.
  • The workpiece is not dry-hardened, but instead maintains adequate ductility in the core.
  • Hardening of series and small parts is possible. 
Advantages

Examples

 
 

Suitable Products

1200 Watt Laser ALM AL-CROSS Series
ALFlak Max ALFlak | ALFlak Fiber AL-Serie
AL-IN AL-TW ALW / ALW Fiber
ALV / ALV Fiber AL-ROCK Mobil AL-ROCK Modular

Find out more about other relevant laser application methods

Laser Hardening   Powder Deposit Welding

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