Resumo

HERRERA-GONZALEZ, Erwin et al. Estimation of the Maintainability of Three Models of Rice Harvesters During Technical Maintenance. Rev Cie Téc Agr [online]. 2023, vol.32, n.2  Epub 13-Mar-2023. ISSN 2071-0054.

The research was carried out under the conditions of harvesting and repair of the Agricultural Base Business Unit (UEBA) "Sierra Maestra", in the New Holland L-521, L-624, L-626 rice harvesters. The objective was estimating and checking the maintainability of the rice harvesters during daily technical maintenance, every 30 hours and during the harvest period under the conditions of “Los Palacios” Agroindustrial Grain Company (EAIG). Through mathematical analysis, average daily and periodic technical maintenance time every 30 h was determined. In the investigation, what the same authors did in 2017 was validated. Among the most significant results is that: for the harvesters evaluated, the maintainability curve shows that there is between 95.8...97% probability that the daily technical maintenance is carried out in two hours; while in technical maintenance every 30 hours the probability is 74...78% in the same period.

Palavras-chave : Maintenance Time; Daily; Periodic Every 30 h; Technical Availability.

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