... department,the rotor,the transmission department(speed reducer,small transmission gear,eletrical machnery,electric control) and so ... part, turning part and driving part (reducer, small driving gear, electric motor and electric control). The ... industry and other national economic departments Type()Rotational Speed(r/min) Balls Weight (t)Feeding Size ... .18-0.5152.774Φ900×2100411.7≤150.075-0.830.7-3.5153.9 ...