Abstract
The object of research: technology for grinding particles of bone meal. Investigated problem: intensive production of finely ground particles of bone meal. The main scientific results: as a result of consideration of the theory and mechanics of destruction, the theory of crack formation and the Griffith theory, impact-toothed hammers were developed and patented. It was found that the penetration of impact-toothed surfaces of hammers into pieces of crushed material forms cracks. The size of cracks on bone raw material – eggshell, obtained by impact-toothed hammer, exceeds the crack obtained by impact-flat hammer, which occurred mainly due to the penetration of hammer teeth. The area of practical use of the research results: feed preparation shops specializing in feed production. Innovative technological product: technology for grinding particles of bone meal by intensive grinding with a crusher using impact-toothed hammers. Scope of the innovative technological product: hammer mills.