Sieving machine for classifying screenings, in particular tumble screening machine

摘要

The invention relates to a screening machine for classifying bulk material, comprising the following features: a housing with a bottom, a cover and a peripheral wall; - A classifying screen that divides the peripheral wall into an upper and a lower wall part; - a first active vibration exciter that acts on the housing; and - a second active vibration exciter, which acts directly or indirectly on the classifying screen.