Abstract: The present invention provides an automatic loading machine adapted to load laboratory pipette racks with pipette's tips. The loading is performed by vibrations. The automatic loading machine comprises (a) collecting means adapted to contain said pipette tips; (b) orientating means in communication with said collecting means; said orientating means comprising at least one conduit adapted to direct said tips to move such that their sharp dispensing edge and/or their fitting opening is directed towards the direction of movement; (c) at least one plate having at least one funnel in communication with said orientating means, adapted to force said oriented tips to fall perpendicularly towards said pipette rack to be loaded; (d) said pipette tip rack in communication with said funnel, adapted to load said pipette's tip and to slide along a rack plate; and, (e) vibrating means adapted to simultaneously orient said tips to said orientating means; move them towards said funnel; and, actuate said rack plate.