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The starting torque characteristic of this type of ball mill is not linear Figure 2 shows the graph of mill speed versus torque requirement Figure 2 The graph clearly shows that the torque requirement exceeds 120 at 80 speed This is why the starting torque of the drive motor should be at least 130 of full load torque
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Get PriceA method of calculating loads that act upon shafts that convey dynamic force which is the primary application of bearings is provided herein 41 Load acting on shafts 411 Load factor There are many instances where the actual operational shaft load is much greater than the theoretically calculated load due to machine vibration andor shock
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