АннотацияПри выполнении проектов любого уровня (технический проект новой машины или учебного проекта) цель разработчиков -обеспечить заданный уровень надежности проектируемой технической системы. Необходимый и достаточный перечень исходных характеристик технической системы должен быть сформулирован в техническом задании на проектирование. После чего для доведения надежности деталей до требуемого уровня надежности используется математический аппарат теории надежности. Ключевые словаНадежность, вероятность безотказной работы, ресурс, наработка технической системы, уровень надежности, интенсивность отказов. AbstractWhen implementing projects of any level (technical design of a new machine or training project), the aim of the developers is to provide a given level of reliability of the designed technical system. The necessary and sufficient list of initial characteristics of the technical system should be formulated in the design specification. After that, to bring the reliability of parts to the required level of reliability, the mathematical apparatus of the theory of reliability is used. KeywordsReliability, the probability of failure, resource, operating time of the technical system, the level of reliability, failure rate.
Introduction. The formation of an algorithm for designing mechanical systems machines in terms of reliability is considered. The algorithm is built with account for the latest publications on the standardization of reliability indices of machines and components at the initial stages of the project. The recovery cost technique, free from the need to use the exponential law when distributing reliability indices between system elements, is presented. The concepts of the required and achieved reliability factors and methods for obtaining them at different stages of the project are introduced. The possibilities of the project modification to provide a given level of reliability are considered. Research objective is to combine modern scientific developments on the standardization of reliability indices of machines, components, and methods for obtaining the required operation life with the design drafting stages.
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