Master thesis elaborates optimization of production process in headlamp production with the target to increase productivity and output. In the beginning the lean manufacturing is presented and two methods, PDCA and SMED. The PDCA method was used to improve the results. Firstly, the deviations were analyzed. Secondly, we focused on downtimes, caused by insufficient organization and exchange of the tools. In the beginning we analyzed the work organization in the production line and implemented improvements. Therefore, the result improved. PDCA method then led us to analyze changeover of the tools. There are many variants of products produced in the line, thus the need for changeover is higher. The times and steps of the exchange were analyzed as a part of the SMED method, new goal was set and improved changeover process was implemented.
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