The turbulent environment in which production companies operate today forces them to constantly improve processes. Among the methods supporting the improvement of the efficiency of production processes, we can distinguish PDCA method derived from Japanese experience (Toyota Production System) and DMAIC related to the Six Sigma concept. Implementation of changes with the use of both methods has a positive effect. Literature can identify the factors determining the choice of one of them for implementation under specific production conditions. The authors of the article make considerations regarding the use of aggregated DMAIC and PDCA methods to create a sustainable environment of continuous improvement in a short time. Based on the company's study, the authors distinguish key elements that determine the effective combination of these methods. This connection is presented on the basis of the practical implementation of the production process efficiency improvement project at a workstation.

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