Propuesta de mejora al sistema de administración de inventarios para la planificación de los requerimientos de materiales, insumos y materias primas de la empresa prestadora de servicios af refrigeración SAS.

Abstract

Improvement proposal is held in facilities of AF REFRIGERACION SAS from Cali Colombia, company providing services in the economy of the air conditioning, refrigeration and mechanical ventilation. Were identified and classified by features inputs, materials and raw materials used in maintenance and repair operations, developed a system to predict and control inventories, also analyzed the information obtained from the corporate system SIIGO and personnel process, used techniques to classify the inventory where it valued the importance of 25 SKU's according to your demand and unit price which were called items class A the items apply it different systems of prognosis according to the variability of their demand, the methods that best present for items with erratic demand was the method of Croston, and for items not erratic demand was the multiplicative method of Winter, then applied different criteria to control the items as it was to apply the system of economic quantity (EOQ) order and method of continuous revision (s, S). Validated the impact on total relevant costs and customer does not have a system that controls its inventories.