Belzona® Corrects Oversized Keyway

Industry:

Pulp & Paper (PLPR)

Application:

Mechanical Power Transmission (MPT)

Customer Location:

Paper Mill in Washington State U.S.A.

Application Date:

Summer of 1988

Application Situation:

Mechanical keyway used to control residence time of the decker lumber.

Problem:

This lumber decker keyway takes a tremendous beating because of cyclic loading. Because of the start-stop characteristics, the keyway housing became oversized.

Products:

Belzona® 1111 (Super Metal)

Substrate:

Steel

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet MPT-4.This repair was done in place without disassembly using a Belzona forming technique.

Belzona Facts:

Conventional repairs would entail extended downtime because it would require the shaft assembly to be dismantled. Otherwise a new key housing could be cut, or the existing damage welded and remachined.

Photographs Description

1. The equipment prior to the application
2. The keyway has been repaired
3. The material has cured and the equipment is ready for service