Abstract
The paper contains a short review of the technology of plastic working as applied to sintered preforms, the main emphasis being put on the burnishing process by the rocking-die method. Thereon the properties of sintered preforms after the burnishing process are characterized. As a result of the theoretical analysis of the process, an analytical function is given which represents the variance of density with the properties of the preform and with the parameters of the process. The experimental results reflecting the course of the compacting are shown in the form of graphs. On the basis of the experimental results, the constant, k, of the function in question was determined, which is a characteristic of compacting in the process under study. Finally, the possibilities and conditions of application of the rocking-die method for obtaining sintered iron parts, with a density close to the theoretical, are discussed.
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