International Sugar Journal

Torque and power consumption in four roll sugar mills* [Full subscriber]

Abstract The paper presents the results of measurements of the torques and power consumption in four roller mills in two different factories during the last four seasons. The mills were driven by variable speed, independent, direct electro-hydraulic drives which allowed measuring the torque in each roller, the change in speed ratio between top and side rollers and the automation of mill operation, maintaining the optimum torque during the operation. Additionally, the relations between the torque, chute level and the top roll flotation were analysed. The automation of mill operation permitted their stable operation with the optimum torque giving excellent operational…

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