The master thesis is about creating technological process of production of a rotational part. The specified part is crankshaft and it is a new contract in manufacturing company. The goal is to design a CNC technology and verify the technology in production. There are used turning, milling and drilling methods in the machining process. There is a hexagon presssed in to the part, which requires a special preparation. Production requires the involvement of co-operation for nitriding surface treatment of the shaft. In the end a selling price is determined.