KHIA headerKnow-How in Action

VOL XXII, NO 107

I.D. Fan Shaft Repaired In Situ With Belzona

 
 

Industry:

Power (POWR)

 
 

Application:

Mechanical Power Transmission (MPT)

 
 

Customer Location:

Power plant, Bulgaria

 
 

Application Date:

May 2006

 
 

Application Situation:

Shaft of induced draft fan.

 
 

Problem:

Shaft damaged at bearing location by seized bearing.

 
 

Products:

Belzona® 1111 (Super Metal)

 

Substrate:

Steel

 
 

Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet MPT-1. The journal was prepared and machined in situ using the draft of the gases to rotate the shaft. Simple small lathe was mounted to machine the area to desired diameter.

 
 

Belzona Facts:

Belzona used to rebuild the original dimensions of the shaft without dismatling the fan. Belzona returned the equipment in service with minimal production down time. This procedure has become standard for emergency shaft repairs in the plant.

 
 

Photographs Description

  1. Damaged area of the shaft undercut
  2. All machining and application work carried out on site by using fan rotation and small hand lathe
  3. Belzona® 1111 applied
  4. Machining to the final diameter
 
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