In collaboration with the Department of Engineering Mechanics, Machine Dynamics Laboratory, vibration analysis of a CNC vertical machine (Karusel) “Mario Carnaghi” TG20/2500 was conducted. Measurements and analysis were performed in February 2012. for “ULJANIK Strojogradnja”, a subsidiary of ‘Uljanik’ shipyard, Pula, Croatia. Final report concerning the vibration problems within the machine was concluded in March 2012. We wish to thank Prof. Žigulić and Prof. Braut for sharing their insights and expert knowledge, and for cooperation with the Precision Engineering Laboratory.