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STRAIGHTENING  
Many workpieces, e.g. shafts and rollers, invariably suffer distortion during heat treatment. Precise measures to determine and counteract this distortion also belong to the Art of Hardening.
For this purpose, Härterei Reese uses precision straightening presses that can exert pressing forces up to 8000 kN on components up to 10 m in length to yield precisions up to 0.1 mm.
   
Without this combination of heat treatment and straightening plant, it would not be possible to manufacture extremely large workpieces, pinion shafts, and rollers in one piece. In developing heat treatment methods to minimise the distortion in such high-quality components, Härterei Reese has access to extensive know-how that is also benefiting customers from other European countries.