Belzona Ball Mill Trunnion Repair

Industry:

Mining and Quarrying (MINQ)

Application:

Mechanical Power Transmission (MPT)

Customer Location:

Portugal

Application Date:

2018

Application Situation:

Repair of the trunnion section of a grinding mill

Problem:

Wear caused over time by the rotating mill grinding against the trunnion section. Also abrasion from the minerals and ores being ground as part of the mining process.

Products:

Belzona 1121 (Super XL-Metal)

Substrate:

Steel

Application Method:

Application carried out using a modified verision of system leaflet MPT-07. An MBX bristle blaster was used to prepare the surface, allowing the paste grade to adhere to the substrate. 17 Kg's of Belzona 1121 was then applied around the circumference of the trunnion section and smoothed out with an applicator to rebuild the lost materials. 

Belzona Facts:

The customer rang Belzona the night before asking for an emergency repair. Belzona arrived the following morning to carry out the repair and had the system back up and running that day.

Photographs Description

1. Damaged trunnion section

2. Surface preparation using an MBX

3. Applying the Belzona 1121

4. Final application