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Belzona® Repairs Road Roller’S Shaft



Mining and Quarrying (MINQ)



Mechanical Power Transmission (MPT)


Customer Location:

Mine, SE, Brazil


Application Date:

June, 2006


Application Situation:

Road roller’s shaft.



The shaft of a road roller presented wear with thickness loss at the bearing seat area, which was probably caused by occasional seizure. It was necessary to repair this area with a product that had excellent mechanical strength so that the part could return to normal operation. Operating conditions: Temperature < 93°C (immersion); 200°C (dry).



Belzona 1111 (Super Metal)



Carbon steel


Application Method:

Repair was carried out in accordance with Belzona Know How System Leaflet MPT-1. Surface preparation was obtained by machining, leaving the affected area with a coarse and rough thread profile. Afterwards, cleaning was carried out with a degreaser. Belzona 1111 was applied on the prepared area, and the excess was removed by machining, thus obtaining the required dimensions. Equipment dimensions: weight: approximately 8.5 tons. Diameter: 440 mm. Recovered width: 200 mm.


Belzona Facts:

Belzona technology offered a fast return to operation.


Photographs Description

  1. Worn shaft before the repair
  2. Application of Belzona 1111
  3. Shaft after the repair and machining
  4. General view of the equipment after repair and machining
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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