Browsing by Author "Barros Guevara, Bryan Ismael"

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    Estudio de tiempos y movimientos en el área de acabado de la curtiduría Tungurahua S.A.
    (Universidad Técnica de Ambato. Facultad de Ingeniería en Sistemas, Electrónica e Industrial. Carrera de Industrial, 2023-03) Barros Guevara, Bryan Ismael; Ortiz Guerrero, Daysi Margarita
    Industrial development has undoubtedly been favored, thanks to processes standardization and continuous improvement applied in most industries. Results of an efficient production, without any doubt, depends on an optimal planning based on standard times and production capacities, for this reason, in this research a time and motion study has been carried out at finishing area of Tannery Tungurahua S.A. In this study, the current working method for each of the finishing processes of San Marino school leather is initially described, through the elaboration of its flow chart elaboration and the identification of the activities corresponding to each procedure. Thus, analytical cursograms of each process are elaborated, in order to analyze in a more detailed way the product journey and type of operation that is carried out. Then calculation of the standard times are carried out, starting from activities coding, then both operators’ performance factor is calculated through the Westinghouse method, as well as supplements using established valuations by the ILO. Consequently, production capacities that will allow each process to be analyzed are calculated according to leather belts number that are manufactured, in this way, an average of 385 leather belts per day was obtained. As an improvement proposal, it is suggested to apply the SMED methodology for machines preparation and for general operations development, tool focused on the adhering, pigmenting and sanding processes, evidencing time reductions by 25.25%, 38.18% and 18.27% respectively. In the same way, it is proposed to apply the Theory of Constraints for the adhering process, which turned out to be the bottleneck requiring a time of 276.16 seconds. Finally, it is recommended to purchase an electric pallet truck that allows optimizing the transport times during batches transfer in order to improve handling units and to save operators integrity.