BELZONA RESTORES PERFORATED PROFILE OF COUCH ROLL
Industry: Pulp & Paper (PLPR)
Application: SHM-Solids Handling Machinery (SHM)
Substrate: Bronze
Customer Location: Paper Mill in Quebec, Canada
Application Date: January 1998
Products:
Belzona® 1111 (Super Metal)
Problem: A mill wright's tool was introduced onto the couch roll and caused damage to a foot long section of the roll.
Photograph Descriptions
- Rebuilding the foot long damage area with Belzona® 1111 (Super Metal)
- Inserting the tapered nylon plugs
- Grinding the plugs as well as the Belzona ® 1111 (Super Metal) flush with the roll
- Finished repair with the roll profile restored
Application Situation
A hollow perforated Couch Roll containing one or two stationary high-vacuum suction boxes for de-watering the sheet.
Application Method
The application was carried out in accordance with a modified version of Belzona Know-How Leaflet SHM-12.
Belzona Facts
Typically a new couch roll costs between $500,000 and $700,000 in addition to the downtime costs of the paper machine.
