Polishing machine The polishing machine is mainly used to remove the dust on the surface of the beans, making its surface gloss more shiny. It is mainly composed of the following parts: elevator , polishing shaft , fan , dust and skin outlet , outlet . the elevator use to send beans into the polishing machine . the polishing shaft have lot of cloths on it ,It rotates itself ,polish the beans . the fan send air to the machine , collect the dust .
