Sidorko V. Scientific fundamentals of diamond-abrasive finishing natural and synthetic stones

Thesis are dedicated to the problem of improving production capacity and quality of finishing diamond-abrasive processing different types of natural and synthetic stones (NSS) by tools with bounded polishing powders including diamond powder by means of improvement of technical processes of machining and use of new tools with functionally oriented designs and characteristics of working layer. Scientific basis of the approaches was based on use of proposed model of wear particles formation and their removal and obtaining high quality surface when diamond-abrasive finishing NSS considering peculiarities of mass transfer in the contact zone and statistic character of size distribution of wear particles. Regularities of forming surface of the article and wear of working layer of the tool depending on process and kinematical parameters of machining, geometrical sizes and shape of article surface, coefficient of specific wear of tool material for existent technological systems and kinematical schemes of machining have been revealed for the first time. Methods of calculations of production capacity of machining NSS and filling coefficients of surface of the tool by working layer, which insure its regular wear and complex evaluation of quality of surface of article, have been proposed. New tools and improved technologies of their making were developed. Technological schedules of finishing NSS and recommendations for their practical application have been prepared.