Ochrona człowieka przed drganiami i hałasem w przemyśle maszynowym

Protection against harmful impact of vibrations and noises in machinery industry on a human body is discussed. Possibility of replacement of conventional steel bearings by hybrid or magnetic bearings is presented. Hybrid and magnetic bearings reduce noise level and permit to reach the higher rotation speed of bearing shafts. The another protection against harmful influence of vibrations and noises represents the shortening of driving chain by application of a d.c. motor or a.c. motor with the inverter.