In the Industrial Sector for the National Security, currently, the manufacturing of munitions for Governmental Entities is awarded to a single company: FAME S.A.C. Consequently, the development of an efficient and effective production of this company affects directly the supply of munitions in the national market. In the production area of FAME S.A.C., a high number of stops were detected in the production line of 9 mm of cases and bullets. These stops were caused to a greater extent by defective tools, from the Tooling Plant. As the tools were indispensable pieces in most of machines, this thesis analyzes in detail the causes of stops due to defective tools and proposes solutions in order to minimize the number of stops in the production line of 9 mm of cases and bullets. The following steps to reduce the number of stops in the line of 9 mm of cases and bullets of this thesis will start...