The apron feeder is a tough application and feeders were for a long time a challenge for many companies. Especially since they work in harsh environments with high humidity, salty water and dusty surround- ings with abrasive particles. The apron feeders also have to have variable speed, high starting torque and the capability to handle frequent starts and stops. When the Hägglunds hydraulic drives were introduced in the mid 1980s, many cu

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