BELZONA REPAIRS ROAD ROLLER’S SHAFT

KHIA ID: 5225
Industry: Mining & Quarrying (MINQ)
Application: MPT-Mechanical Power Transmission (MPT)
Substrate: Carbon steel
Customer Location: Mine, SE, Brazil
Application Date: June, 2006
Products:

Belzona 1111 (Super Metal)


Problem: 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).
Photograph Descriptions
  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
Application Situation
Road roller’s shaft.
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.