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Joining and Heat Treatment
Joining and Heat Treatment – Weld Repairs
Our experience in weld repairs ranges from pump components, through casted parts, to ship diesel engines. Our welders are well prepared for work on-site worldwide.

We carry out weld repairs in our location Winterthur as well as on-site worldwide. Our service offering covers

  • Weld repairs through our well-trained and long-experienced welding specialists according to national and international standards
  • Welding and testing supervision
  • Metal work for weld preparation and precise weld joint recontouring
  • Local heat treatments
  • Weld equipment available all around the world in our oversea container


Container with welding equipment

Examples

Pump rotor with caviation damage
Pump rotor with damaged blade leading edges Damaged blade leading edge after weld preparartion
and later after welding and recontouring

Manufacturing error
on a shrouded Titanium Rotor
Manufacturing error
on a cross head out of 20Mn5


Weld repair Weld repair

Repair of castings: Cracks in a gearbox casing (GG-25)
Cracking area (marked red) removed before welding,
penetration testing without indications
Detail of weld joint after recontouring,
penetration testing without indications

Cracks in the combustion chamber of a steam engine
Inside of the combustion chamber Repair inset

Our Partners

Highly qualified experts at Sulzer Innotec are our partners for

  • One-stop-shop manufacturing solutions, manufacturing and welding engineering and consulting
  • Mechanical precision workshop and prototyping
  • Laser welding and laser build-up welding
  • Testing and metrology
  • Material and surface technology
  • Corrosion and corrosion protection, friction and abrasion
  • Material and failure analysis
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Related Documents

Weld repairs (VTW, pdf, 0.16 MB)

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