Lean six-sigma methodology and an application in a defense industry company

This study aims to give a clear understanding of lean six-sigma approach and show that it is possible to make significant improvements by making little differences in production processes. In the first chapter of the study; lean manufacturing is explained in depth. Starting from the history, four subsections explain the prospects of lean manufacturing. The principles and tools used in lean manufacturing are given in detail. In the second chapter; the detailed information about six-sigma methodology is given. Starting from the history, major perspectives, success criteria, the DMAIC approach, operational benefits, advantages & disadvantages and the organizational structure of six-sigma are explained. The combination of lean and six-sigma, the lean six-sigma approach is defined, and the essentials of it are given to better understand why this balanced approach is better. Finally, an application that has been brought to life in a press brake workstation, and obtained results are explained.