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The improvement of surface roughness of cast-iron pipe
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 Title & Authors
The improvement of surface roughness of cast-iron pipe
Park, Seong-Yoo; Park, Myung-Ho; Kim, Sung-Joon;
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 Abstract
The purpose of this research is to improve the surface roughness of cast-iron pipe porduced by the centrifugal casting. A twin-fluid atomizer of mold-wash slurry is designed for this project. New atomizer is equipped with the existing manufacturing facility to produce pipes. Cast-iron pipes (.cent.125*L3000mm) are produced and the surface roughnesses of those are analysed by UBM. The average surface roughness of new products is 6.7.mu.m while the old products of sand-resin coating method have 17.0.mu.m of average surface roughness. The surface roughness of cast-iron pipe is improved very much than before.
 Keywords
Centrifugal Casting;Surface Routhness;Mold-wash Slurry;
 Language
Korean
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