METHOD FOR EVALUATION OF EFFICIENCY OF TECHNOLOGIC LUBRICANTS DURING HOT DEFORMATION OF METALS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to test methods of technological lubricants in metal pressure processing. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 expansion test of lubricants by u0438u0441u043fu044bu0442u0430u043du0438u00a0 not only u0432u044bu0441u043eu043au043eu0432u00a0u0437u043au0438u0445 lubricants and aqueous concentrates u0442u0435u0445u043du043eu043bu043eu0433u0438u0447u0435u0441u043a their lubricants. boyko pre heated up to temperature above the temperature u043au0438u043fu0435u043du0438u00a0 liquid phase, u043du0430u0445u043eu0434u00a0u0449u0435u0439u0441u00a0 in lubrication.a subject lubricant u043du0430u043du043eu0441u00a0u0442 two diametrically positioned on the surface of both pins sector, u043eu0433u0440u0430u043du0438u0447u0435u043du043du044bu0445u0432u0437u0430u0438u043cu043du043e u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du044bu043cu0438 u043fu0440u00a0u043cu044bu043cu0438, u043fu0440u043eu0445u043eu0434u00a0u0449u0438u043cu0438 in the centers of pins, the pins u0442u0440u0430u0444u0430u0440u0435u0442u043eu043c u0437u0430u043au0440u044bu0432u0430u00a0 working surface. the last is to u0432u044bu043au0438u043fu0430u043du0438u00a0 sears to the liquid phase, u043du0430u0445u043eu0434u00a0u0449u0435u0439u0441u00a0 in lubrication.the cylindrical sample with the pins and u043eu0441u0430u0436u0438u0432u0430u044eu0442 it between them. the ratio of the transverse size of the lubricant on u043eu0441u0430u0436u0435u043du043du043eu0433u043e sample. 2).