Now, we start the project of the rotor production simulation for the Siemens company in Frenstat. The plant Frenstat Electromotors is among the world’s leading supplier of low-voltage asynchronous motors. Main customers of the company are pump producers, compressor producers and air conditioning producers. In the Czech Republic is the plant of Siemens in Frenštát from the date 1, October 2010. In this phase we are gathering and vaildating tha data for a simulation model.