Existing coffee hullers are not so effective that higher percentage of hull is left on the coffee beans that requires multiple pass of the coffee to the machine just to remove its hull resulted low capacity and efficiency of machine. Thus a coffee hulling machine that can remove coffee hulls in just one pass is a necessity to improve the processing capacity. The present coffee dehulling machine that removes the coffee hull from its kernel and clean the coffee bean in one pass has a hulling chamber, winnowing chamber, stand frame and a hopper. The machine hull the coffee using the rubber rollers that are reversibly moving toward each other and rotating with a different speed and the plurality of plates alternately attached to the walls inside the winnowing chamber is used to clean hulled coffee by zigzag movement and discharging channel separately provided for the hulls and coffee beans.
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