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Welding a Cast Iron Diesel Marine Blower

Testimonials

Mike,

These pics come from a new aerospace test facility that they are constructing at the University of Notre Dame. The SSF-6 is working great.

 

aluminum welding and metal repair

I am attempting to make all of these fittings air tight as they are used for pressure measurements. We can¹t have any leaks. I had very little warpage of my base metal and I think this is really going to work out very well.

 

metal fabrication and repair with muggyweld

Thank you,

 

David Hipskind
Turbomachinery Technician
The University of Notre Dame
Institute for Flow Physics and Control (FLOWPAC)
The Hessert Laboratory for Aerospace Research

 

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Please observe proper AWS safety guidelines

 

This blower has a large cut into the cast iron. We used a grinding wheel to bevel halfway through, and made the repair with our 77 cast iron rod and a 130 mini amp welder. After making the repair we used a grinding wheel to smooth the surface, and the part was as good as new.

 

TIPS:

 

For best results clean and bevel the cast iron before welding.

 

Gently pre-heat the cast iron if possible, no need to get it red hot but it will lay flatter when you first start your bead and preheating removes moisture out of the cast to prevent pinholes.

 

For welders that use nickel, use the same process you would with nickel as the MuggyWeld 77 rod will produce a superior result.

 

77 Electrode Products

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1/2 lb 77 Electrode 3/32"
1/2 lb 77 Electrode 3/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1/2 lb 77 Electrode 1/8"
1/2 lb 77 Electrode 1/8"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1/2 lb 77 Electrode 5/32"
1/2 lb 77 Electrode 5/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1 lb 77 Electrode 3/32"
1 lb 77 Electrode 3/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1 lb 77 Electrode 1/8"
1 lb 77 Electrode 1/8"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1 lb 77 Electrode 5/32"
1 lb 77 Electrode 5/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

5 lb 77 Electrode 3/32"
5 lb 77 Electrode 3/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..