KHIA headerKnow-How in Action

VOL XXI, NO 32, ELITE

Belzona® Supports Rudder Bearing To Naval Vessel

 
 

Industry:

Marine (MRNE)

 
 

Application:

Mechanical Power Transmission (MPT)

 
 

Customer Location:

United States Navy

 
 

Application Date:

1981

 
 

Application Situation:

Rudder Bearing Housing

 
 

Problem:

Fretting corrosion of the bearing housing

 
 

Products:

Belzona® 1111 (Super Metal)
 

Substrate:

Cast Steel

 
 

Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet MPT-6.

 
 

Belzona Facts:

The rudder stock running in this 57.5" diameter bearing weighs 62 tons and the displacement of the 26 knots fast combat support ship was 58,300 tons. The repair was in perfect condition at the last recorded inspection 17 years later (vessel is now decommissioned). Subsequently, in 1985 a sister ship had a similar repair.

 
 

Photographs Description

  1. USS Detroit AOE-4.
  2. 57 ½" Port lower rudder bearing housing.
  3. Housing re-machined.
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 

 

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