Improving production systems with lean: a case study in a medium-sized manufacturer Online publication date: Fri, 27-Sep-2019
by Sérgio Manuel Oliveira Vieira; Rui Borges Lopes
International Journal of Industrial and Systems Engineering (IJISE), Vol. 33, No. 2, 2019
Abstract: Lean principles and tools have been increasingly employed in companies across several sectors, with numerous successful implementations both inside and outside production environments. In the case of Portuguese companies, few works have reported the application and corresponding results of lean, and even fewer focusing on small and medium sized companies. This work presents a case study of an implementation of several lean principles and tools in the production sector of a Portuguese medium-sized screw cap manufacturer. Visual management, A3 thinking, and single-minute exchange of die (SMED) were employed to identify and reduce inefficiencies and waste in the shop floor. The implementation of these principles and tools is detailed, showcasing the necessary adjustments for being correctly embedded in the company's culture. Qualitative and quantitative results are presented concerning the case study, where a continuous improvement culture was adhered to and a significant gain in productivity could be observed.
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