KHIA headerKnow-How in Action

VOL XVI, NO 30

Belzona® Restores Chipper Disc Pockets To Like New Condition

 
 

Industry:

Pulp & Paper (PLPR)

 
 

Application:

Solids Handling Machinery (SHM)

 
 

Customer Location:

Pulp and paper mill in Washington, USA

 
 

Application Date:

Winter 2000

 
 

Application Situation:

Pockets of a flywheel-type chipper disc.

 
 

Problem:

These chipper disc pockets are worn from continuous wood abrasion and eventually were unable to produce satisfactory chips.

 
 

Products:

Belzona® 1311 (Super R-Metal)

Belzona® 1321 (Ceramic S-Metal)

 

Substrate:

Steel

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet SHM-13.The actual knives were rebuilt using C-clamps to form the exact shaft of the pocket without machining.

 
 

Belzona Facts:

Rejects are minimized by restoring the pocket profile, and all the pockets are able to be rebuilt at once.

 
 

Photographs Description

  1. Significant metal loss on the exit side of the pocket
  2. Knives C-clamped into the wet Belzona
  3. Two coats of Belzona® 1321 for a finished smooth surface
 
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