813 power drawn by ball semiautogenous and autogenous mills a simplified picture of the mill load is shown in figure 83 ad this can be used to establish the essential features of a model for mill power the torque required to turn the mill is given by torque t mcgdc t f 89 get price.

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A motor with around 1400 horse power is calculated needed for the designed task now we much select a ball mill that will draw this power the ball mill motor power requirement calculated above as 1400 hp is the power that must be applied at the mill drive in order to grind the tonnage of feed from one size distribution the following shows how the size or select the matching mill required to.

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Also torque and speed curves are not available the lock rotor current is 600 of full load current 293 amp and pull out torque is 225 of full load torque 11783 kgm pls guide whether we can remove the fluid coupling and install a softstarter to start the ball mill quantity 1 duty s1.

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On this curve there are three distinctive points of interest which uniquely characterize the ball mill operation figure 1 a the breakaway from rest is identified as the region on the graph requiring 40 to 70 of nominal torque from rest to get price arting torque and motor curves start ball mills ball mill.

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