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VOL XVI, NO 11

Belzona® Maintains Chipper Disc Pocket Profile

 
 

Industry:

Pulp & Paper (PLPR)

 
 

Application:

Solids Handling Machinery (SHM)

 
 

Customer Location:

Papermill in California U.S.A.

 
 

Application Date:

1995

 
 

Application Situation:

Deterioration of vertical flywheel-type chipper disc pocket profile.

 
 

Problem:

The chipper disc pockets exhibit wear and require constant maintenance. Off-size chips adversly affect the pulping process and the quality of the resultant paper.

 
 

Products:

Belzona® 1811 (Ceramic Carbide)

 

Substrate:

Steel

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet SHM-13.

 
 

Belzona Facts:

The pockets are repaired in 1/2 day without introducing heat stresses to the metal substrate. Before attempting the repair, all discs should be eval-uated for structural integrity. With the aid of a dying compound, engineers will be able to determine the extent of stresses within the metallic substrate.

 
 

Photographs Description

  1. Knife removal from the disc
  2. Damage to the pocket profile
  3. Applying Belzona® 1811 (Ceramic Carbide)
 
 
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For more information about Belzona visit: www.belzona.com