Outside grinding

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It is used to achieve a high quality surface of tubes and to remove surface defects after tube rolling.

Grinding of the tubes from 9 - 140 mm.

  • The tube is driven by guide rollers and travels along a series of grinding belts
  • The tube is guided along a series of grinding belts with the help of guide rollers at a speed of up to 30 m / min
  • With a small amount of material removed, a surface quality up to Ra 0.4 can be achieved.
  • The grinding runs under water emulsion or dry

Grinding of the tubes over 140 mm

  • The tube is rotated by radial steadies and the grinder with driven grinding belts moves along the tube. Tube length up to 14 m
  • 2 pieces of grinding belts ensure a material removal of up to 0.5 mm from the surface when the grinding belts run twice along the tube
  • The grinding runs under water emulsion

Outside grinding in action