We can also understand agglomeration built-up granulation without tools: We do dusty work and then vigorously rub our palms against each other. The small crumbs produced this way are the result of built-up agglomeration. The finest particles are compacted and roll up; in the presence of moisture…

This is an initial assessment of the probability of this being a vibration problem with a risk of resonance. The following derivation refers to an amixon® ring layer mixing granulator. The situation is highly idealised.