Mechatronic Complex of Diagnostic Tests and Reliability Forecasting of Lathes

The features and design principles of a mechatronic complex of diagnostic tests and reliability forecasting are considered in this article. The interrelations between the translational displacement parameters of the lathe carriage and the technological reliability of the lathe are studied. The diagnostic information value of the displacement path parameters of the lathe carriage is shown. Formal mathematical apparatus is proposed to use the parameters as single representations of the carriage displacement path for lathe diagnostics. The automated system of lathe diagnostics with regard to displacement path parameters is considered, and the typical methods of lathe diagnostics are reviewed. Methods of evaluating and forecasting the technological reliability of the lathe using variations in the displacement path parameters of the lathe carriage are proposed.  It is established that the amount of diagnostic tests can be reduced using the variations in the diagnostic information value of the displacement path parameters at different loading conditions.

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