grabcad
System developed with 2 motor one motor creates vibration to filter rocks bigger than 2 cm witch they are eliminated before enter to the system. and the other motor is connected to a mesh to filter 1 cm rocks. Dust fall down per gravity to a channel which will take the first part of the sample to de container. The mesh cylinder have a path to take rocks bigger than 1 cm to the sample cylinder after the dust.
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