Features of design, construction and technology of manufacturing galvanoplastic jewellery

The features of design, construction and manufacturing technology of electroplated jewellery are considered. The classification of jewellery made by the method of electroforming, based on their areas of application, is presented. The technological features of the formation of the surface of products with a “posi-tive” and “negative” build-up of the deposited metal, ways of reducing the roughness of the deposited coat-ings with an increase in their thickness are considered. Methods of creating suspension and fastening ele-ments of the product structure are described. The main modern trends in the development of technology and design of products made by the method of electroforming are considered: the use of 3D technologies in the development and creation of models, the use of conductive polymer compositions for the manufacture of models, computerization of the technological process of forming metal deposits of precious alloys of a cer-tain carat and colour. Modern technological methods allow raising the level of electroplated jewellery de-sign to a new level.

THE USE OF PULSE MODULATION AS A WAY TO IMPROVE THE STRENGTH CHARACTERISTICS OF PLASMA COATINGS

Currently, much attention is paid to improving the wear resistance of the sur-face of machine parts. It is possible to improve the quality of surfaces with the use of plasma coat-ings. However, these coatings do not always provide the necessary strength properties. The article considers one of the ways to improve the strength characteristics – the modulation of the electrical parameters of the plasma process.