Resumen
The rationalization of the industrial production process, through the reduction of waste and the modernization of the production process, with the adoption of the Toyota Production System (Lean Production), has been adopted by an important part of the industries in the world. This article aim to describe this methodology used by the intensive phase improvement group adopted at Vallourec Tubos do Brasil S.A. As a result, the process used to implement short-term changes was the intensive week, also known as the Kaizen event in the automotive industry.