CONVERSION COATINGS ON MAGNESIUM ALLOY DIE CASTINGS PART 1: THE EFFECT OF TECHNOLOGICAL PARAMETERS OF THE PRESSURE DIE CASTING PPROCESS ON THE QUALITY OF CASTINGS MADE FROM THE AZ91 ALLOY

The article presents the results of research on the selection of optimum technological parameters of the hot-chamber die casting machine operation to make castings in AM50 magnesium alloy, coated next with the deco...

more >>

NICKEL LAYER DEPOSITION ON INVESTMENT CASTING POLYMER PATTERNS

The article presents a method of modification of ceramic mould surface on the boundary between lost-wax model - ceramics by using a layer of nickel on a disposable model made of a specified type of polymer e.g. polymethyl methacrylate (PMMA) and t...

more >>

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...

more >>

The effect of acetone on ABS used in the 3D printing of casting models

The aim of the study was to improve the quality of 3D prints obtained by the FDM method (Fused Deposition Modeling) from ABS (acrylonitrile-butadiene-styrene), used for casting models. The agent used for smoothing the ABS was acetone.The pro...

more >>

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 ...

more >>