There may be several types of such feeders. Without a description of this particular feeder, no one can know what the operating principle is. Whilr you're at it, please turn off the all-caps.
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In vino veritas; in cervisia carmen; in aqua E. coli.
please help. I want to know how solid feeder with ecentric motor and varying flow rate works. Please can I have some type of schematic diagram and its free body diagram.