METHOD AND APPARATUS FOR RECORDING INITIAL STAGE OF ROLLING-CONTACT BEARING FRACTURE IN SERVICE LIFE TESTS FOR LONGEVITY

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 technology resource testing machines and mechanisms and may be used in bearing industry u0434u043bu00a0 registration primary moma u043du0442u0430 u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 u0438u0441u043bu0435u0434u0443u0435u043cu043eu0433u043e u0438u0437u0434u0435u043bu0438u00a0 in establishing its durability, as well as continuous u0434u0438u0430u0433u043du043eu0441u0442u0438u0440u0443u044eu0449u0435u0433u043e u043au043eu043du0442u0440u043eu043bu00a0 for bearing units are u0441u043eu0441u0442u043eu00a0u043du0438u0435u043c s systems of vehicles in the process of exploitation.the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - increased reliability u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 in resource u0438u0441u043fu044bu0442u0430u043du0438u00a0u0445 bearing phase transition u043au0430u0447u0435u043du0438u00a0 u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 and enhanced by the u0434u043eu0441u0442u043eu0432u0435u0440u043d guests information about its potential longevity. method u0437u0430u043au043bu044eu0447u0430u0435u0442u0441u00a0 in amplitude selection and analysis of percussive acoustic pulses, following with frequencies u043fu0440u043eu043au0430u0442u044bu0432u0430u043du0438u00a0 bodies u043au0430u0447u0435u043du0438u00a0 places u0432u044bu043au0440u0430u0448u0438u0432u0430u043du0438u00a0.u0434u043bu00a0 u043fu043eu0432u044bu0448u0435u043du0438u00a0 reliability u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 bearing phase transition u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 shock impulses from the defects of primary u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0, u043cu0430u0441u043au0438u0440u0443u0435u043cu044bu0435 background noise would be hui are the integrated effects of amplitude, phase and time of selection. the device u0434u043bu00a0 u043eu0441u0443u0449u0435u0441u0442u0432u043bu0435u043du0438u00a0 method implemented in the form of an integrated system containing an amplitude, phase and time selectors.a phase selector is made in the form of u0432u044bu0447u0438u0442u0430u044eu0449u0435u0433u043e device, an amplitude selector is in the form of dynamic u0448u0443u043cu043eu043fu043eu043du0438u0436u0430u044eu0449u0435u0433u043e filter, and the selector is in the form of u0441u0447u0435u0442u0447u0438 a percussive pulse u0443u043fu0440u0430u0432u043bu00a0u0435u043cu043eu0433u043e timer. 2 boeing. s - lu, 1).