Competition in the market and the desire to respond and fulfill customer orders in an ever shorter time force companies to improve production processes and reduce production costs constantly. In the master's thesis, the use of methods and tools of lean production is presented with the purpose of the detection and elimination of waste in production. We analyzed a production line that processes, washes, tests, and measures an aluminum casting. Availability was found to be a weak point. Therefore, we came up with suggestions for improvements to some of the key downtime causes using a simple model. To assess the impact of improvements, we defined key indicators and performed a simulation. The proposed improvements enable the desired increase in efficiency and productivity. Possibilities for further improvement of the production system were also presented.
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