Abstract
Scientific works, claiming about the positive impact of the operational assessment of thermal processes in nodes and aggregates during operation on the reliability of equipment, are known and methodically worked out quite well. The wide practical application of the proposed thermal control methods without specially developed measuring instruments is an incomplete task (Research purpose) The research purpose is developing experimental meters-indicators for test diagnostics of thermal parameters of components and aggregates to increase the controllability and operational reliability of the machine and tractor fleet. (Materials and methods) Thermodynamic and research methods based on the use of proven methods for determining the technical condition were used; the object of the study was a control system of assessing compliance with the operating rules and compliance by the operator with the temperature regimes recommended by the manufacturer. In order to carry out maintenance and repair according to the methodology "Reliability-oriented maintenance", it is necessary to conduct a continuous assessment of the threshold thermodynamic characteristics of controlled objects during their operation for further forecasting of the technical condition. (Results and discussion) The possibility of using experimental counters-indicators of technical condition was described. Only the operator's control of the operating rules and compliance with the temperature modes recommended by the manufacturer does not minimize the risks. It is necessary to develop monitoring systems that provide independent monitoring and measurement of the current temperature, the rate of its change, determination of the time and ranges of thermal conditions of controlled objects during operation. (Conclusions) When focusing maintenance on reliability according to the specified methodology, it is necessary to provide temperature control during the operation of the machine and tractor fleet, which will increase the level of controllability and adaptability to the diagnosis of units.
Published Version
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