Studies of the effect of negative pressure in the mould on the cast surface roughness

The article discusses the results of the studies of the effect of negative pressure in the mould and the casting system on the roughness of the casts’ surfaces. Roughness tests were performed on casts made of alloy EN AB 46000...

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Characteristics of new generation water and alcohol coatings and their impact on the quality of the casting surface layer

The increasing requirements of casting users regarding the dimensional accuracy and surface roughness of castings force the manufacturers, i.e. foundries, to use protective coatings on moulds and cores. Coatings are applied in ...

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