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The complete spectrum of hardness technology

Härterei Reese Bochum works - amongst others - for companies in the machine construction and toolmaking areas, for the motor industry and gearbox manufacturers. To achieve optimum heat treating results for the most diverse design elements with their wide material spectrum, modern, largely automated plant engineering is available, whose process control system ensures flexible and economic use.

For case hardening, tempering, carbonitriding and annealing, Härterei Reese Bochum uses - amongst other things - a new automated multipurpose chamber oven line, whose control system continuously queries and evaluates the important process parameters. Five million DM was invested in this plant alone, which was started up in 1999.

Harterei Reese Bochum is also renowned in its neighbouring European countries as the specialist for long-term heat treatment and for the hardening of large workpieces. In this area for example especially large-scale plants are available for the case and surface hardening of components up to 10 m long and weighing up to 16 tonnes. Inert gas hardening furnaces can take components up to 5,500 mm long and 2,500 mm in diameter. Computer-controlled plants for MF and HF induction hardening complete the selection of processes. Any distortion in the components can be compensated for on Europe's largest precision straightening press (pressing force of 8,000 kN).

As the first hardening shop to do so, Harterei Reese Bochum offers burning testing for the quality assurance of highly-stressed gear components. This test helps to detect microstructural changes caused by partial overheating during grinding. Many gearbox manufacturers use this service, through
which considerable economic damages can be avoided.



 
  CASE HARDENING · CARBONITRIDING   INERT GAS HARD. AND TEMPERING  
  Batch sizes up to 16 t; max overall dimensions:
Ø 2.500 mm, lenght 5.500 mm
  In a regulated furnace atmosphere; max overall dimension : Ø 2.500 mm, lenght 5.500 mm  
         
  NITRIDING AND NITROCARBURIZAT   VACUUM HARDENING  
  Plasma, gas und vacuum, passivation
(corrosion protection)
max overall dimensions: Ø 2.500 mm, lenght 3.400 mm
  Temperatures up to 1.300 °C;
max overall dimensions:
650 x 1.100 x 720 mm
 
         
  ANNEALING   SURFACE HARDENING  
  In a regulated atmosphere,
temperatures up to 1050 °C;
max overall dimensions:
Ø 2.500 mm, lenght 5.500 mm
 

Inductiv- and flame hardening of shafts, axles etc.;
up to max Ø 1.000 x 10.000 mm (26 t weight.)
Rotary hardening up to Ø 1.250 mm, single tooth hardening on gearwheels up to Ø 5.500 mm

 
         
  STRAIGHTENING   SHOT BLASTING  
  Precision straightening presses;
max pressing force: 800 t
max workpiece lenght: 10.000 mm
  Max overall dimensions:
2.200 x 1.800 mm
 
         
  BURNING TESTING   QA · CONSULTATION · SERVICE  
  By means of nital etching to a max diameter
Ø 1.200 mm
  Hardeness testing, micrographic examinations, spectral analyses, expert surveys  
         
  For other dimensions or further information do not hesitate to contact us.  
         
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