KHIA headerKnow-How in Action

VOL XXXI, NO 81

Belzona® Resets Bushings On P&H Shovel

 
 

Industry:

Mining and Quarrying (MINQ)

 
 

Application:

Mechanical Power Transmission (MPT)

 
 

Customer Location:

BC, Canada

 
 

Application Date:

1992

 
 

Application Situation:

Worn bushings on P&H Shovel.

 
 

Problem:

The 16 inch diameter bores on the final drive of this P&H Shovel were badly worn.

 
 

Products:

Belzona 1111 (Super Metal)

Belzona 9411 (Release Agent)

 

Substrate:

Cast steel / Bronze

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet MPT-1.

 
 

Belzona Facts:

This repair remained in service until the closing of the Shirley Basin Uranium Mine. Estimated savings in downtime and replacement costs were $125,000.00.

 
 

Photographs Description

  1. P&H Shovel.
  2. General view of disassembled P&H Shovel drive unit.
  3. New bushings coated with Belzona 9411. Prior to insertion oil and grease channels are filled with a firm paraffin wax to ensure they do not get blocked. Once set, the area is heated to soften the wax so that it can be pumped out with new grease.
  4. Completed application.
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com