The topic of the present bachelor thesis deals with the manufacturing technology of a rotary component on a CNC lathe. The main solution offered is a full technological preparation of production of the component "Sealing lid", including a description of the used machinery, equipment and a selection of machining tools for manufacturing. Further, the thesis deals with the NC program for manufacture of the component and a description of how to produce a functional sample of this component. Finally, a technological and economic evaluation of component manufacture is presented. Other solutions include a theoretical proposal of manufacturing technology on an up-to-date multifunctional machining CNC center