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tool steel thermal treatment in protective atmosphere
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Tool steel thermal treatment in protective atmosphere
Thermal treatment is realised at heat-treating furnace DEGUSSA, which has the following parameters:
 
Annealing furnace:
Type of furnace: GKUQrg 70/65/110
Size of furnace - external:
Width: 2800 mm
Length: 5300 mm
Height: 3700 mm
Size of furnace - inside: 800 x 1200 x 700 mm
Heating: zemným plynom
Nominal temperature: 1000°C
Atmosphere of furnace: ENDO plyn alebo dusík
Oil bath: cca 3500 litrov
 
Furnace GKUOrg 70/65/110 allows to do the following types of chemical-heat and heat treating:
 
  • normalised annealing
  • sealing without hardening, or with hardening to oil
  • hardening in temperature 1000 oC to oil, or to ENDO atmosphere
All of these methods of heat-treatment can be done in atmosphere of ENDO gas or nitrogen.
 
Tempering Furnace:
Type of furnace: GKU-D 70/65/110
Size of furnace - external:
Width: 2420 mm
Length: 2750 mm
Height: 3755 mm
Performance: 70 kW
Tempering temperature: max. 700°C
 
Furnace GKU-D 70/65/110 allows to do the following methods of heat-treating:
 
  • tempering at low and high temperature
  • annealing for inside tension elimination
  • soft annealing in protective atmosphere
These operations can be done in nitrogen atmosphere.
 
Batch and grates:
Width: 700 mm
Height: 50 mm
Length: 1100 mm
Height above the grates: do 600 mm
Weight of batch: do 500 kg
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