Aplicación de las herramientas de gestión de calidad para reducir los costos operativos en la producción de plataformas semirremolque de la empresa NASSI S.A.C. Trujillo, 2021

The purpose of this research is to present a proposal for the implementation of improvement in Production Management, to reduce operating costs, on the profitability of the company NASSI S.A.C. Trujillo, 2021. A quantitative-correlational investigation was carried out. The study determined the use of quality tools: QFD-Quality House, AMFE Matrix, DMAIC Six Sigma, Lean Manufacturing and Training. Likewise, the research used an Ishikawa Map to model the current situation of the company, being concrete in its 5 root causes such as inadequate maintenance, lack of training for personnel in production processes, lack of a tidiness and cleaning program, non-standardized times in the manufacture of the matrix structure and does not provide a production schedule. The Pareto diagram for the initial diagnosis in the production areas was prioritized 2 of 5 root causes due to a lack of production scheduling with 38.4% and inadequate maintenance recurring 33.4% of operating costs, which are, delivery of untimely products, obsolete and disused machines, however, all problems were solved through the implementation of the improvement proposal. In the results, a comparison of the current losses of S/83, 849.64 nuevos soles to a S/19, 991.84 nuevos soles of improved losses was estimated, and thus a profit was obtained for the company S/63, 857.81 nuevos soles. The economic and financial evaluation determined a NPV of S/50, 233.26 nuevos soles, an IRR of 58.99% and a benefit/cost value B/C of S/. 1.20 nuevos soles, meaning that the proposal is viable and provides profitability to the company.