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The torque motor type cable reel has the characteristics of simple structure, convenient operation, stable performance and high reliability. After the optimization of the torque motor itself and its control by KMD the torque curve of the torque motor cable reel has good smoothness and high reliability, which can effectively avoid the impact on the cable, such as insulation cracked and core broken. It is effective and durable even in harsh working conditions, such as steel plants and mine tunnels.