Programación de la producción de calzado de seguridad basado en la teoría de restricciones para la mejora de la productividad en la Empresa Marcia- Buffalo Industrial.

Abstract

A study was about made about the parameters within the safety shoemaking factory MARCIA BUFALO INDUSTRIAL, such as: work in process for its acronym in English (WIP), CYCLE TIME (CT) and the throughput sold units of production rate (TH), the parameters were obtained based on the theory of restrictions proposed by Goldratt and then this was evaluated with the Little Law that proposes Hopp and Spearman, the made study was applied to program the safety shoe production that will allow to use the line maximum capacity, by increasing the TH, decreasing the CT and keeping a constant WIP by means of the reduction of the wasting time performed in the processes. To evaluate the current case and the proposed, a simulation program software Promodel® was used, in its student version, with which the sequence algorithms were programmed, production parameters for the best case that increases the productivity of the factory. Therefore, the optimal quantities of production for a work cycle of 8 horas were obtained, by increasing the throughput of 0,5 pairs/min, decreasing the CT of 487,83 min to 450,3 min, and having an increase in the production, of 10 safety shoes in a work cycle. Furthermore, it was determined that the inventory in optimal process per each hour of work is of 32 pairs. Finally, a sequence of operations through a Gantt diagram for the optimal production programming was generated, in this for a petition of 520 shoe pairs in the study 66 min are gained in the work cycle to keep a constant work in process. This study could be applied in shoemaking factories that present the same characteristics of the investigated case.