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ball mill drives - mineral processing & metallurgy several types of ball mill drives can be furnished, made up of various combinations of gearing, motors and transmission equipment. the correct combination to be selected takes into consideration power requirements, gear ratings, floor space, interference from other …

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“experience with synchronous and - cimentec the mill supplier. ball mill torque curve:- cascading point is at 60°, independent of speed. figure 2 the torque speed characteristic curve for a recent ball mill is shown in figure 2. mill suppliers define the starting torque at an angular displacement of the charge. the cascading point of this mill is at angle of 60°. this implies that a

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how to handle the charge volume of a ball mill or rod mill ... ball mill is widely used in refractory plant, ... typically, ball mill with cylinder diameter of 900-2100mm and motor power lower than 400kw adopts the high starting torque of y series drive way and jr asynchronous motor drive way, in the middle connecting by reducer and coupling.