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Melt Rotor
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I worked for Bogainville Copper in Papua New Guinea
The crushers would quite often bog down, if the operator was pushing tonnage they would run a 400 HP motor at 400 HP 24/7. If they bogged and operator reset the motor trip several times in succession, I have seen pools of copper where the rotor bars melted.
Of course they knew better but you couldn't stop them.
The crushers would quite often bog down, if the operator was pushing tonnage they would run a 400 HP motor at 400 HP 24/7. If they bogged and operator reset the motor trip several times in succession, I have seen pools of copper where the rotor bars melted.
Of course they knew better but you couldn't stop them.
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