... Product item: sifter machineProduct specification:Working Principle:sifter machine is a kind of feeding machine which takes the powder, nubby, uncrushed or ... through vee belt, then main drive shaft drive the sifter net to whirl to pick the nubby and impurity up so ... body are connected with rigidity, the concentricity is high, and machine is stable.3. V-belt drive, smooth operation, low noise ...