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One of our core competencies lies in the heat treatment of your precision parts on in-house systems.

 

The following processes are employed at VELDENER to increase wear resistance and reverse bending strength and thus the resilience and endurance strength of the components:

 

Case hardening:

  • Automatic multi-chamber furnace
  • Integrated pre-heating furnace
  • Integrated cleaning system
  • Carburization in a gaseous atmosphere
  • Quenching in oil
  • Marginalized layer hardening depth from 0.3 mm to 1.6 mm

 

Carbonitrizing:

  • Automatic multi-chamber furnace
  • Marginalized layer hardening of low alloy steels possible
  • Nitrogen as an alloying element
  • Marginalized layer hardening depth from 0.1 mm to 0.4 mm

 

Inductive hardening:

  • Systems in medium- and high-frequency range
  • Horizontal and vertical systems
  • Robot handling
  • Marginalized layer hardening depth from 0.6 mm to 7.0 mm
  • Partial hardening of component possible
  • Separation or hardening of small batches possible

 

Gas nitriding:

  • Nitriding hardness depth from 0.1 mm to 0.6 mm
  • Layer thickness from 5 µm to 20 µm
  • Increase of corrosion resistance by subsequent oxidizing

 

Tempering:

  • Tempering of components to reduce stress in the component
  • Temperature range 160 to 200 C

 

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