Industrial coffee grinder, specially designed for medium to large scale of production. The special design of the grinding discs assures a complete and uniform ground. The machine is easily regulated by turning the top circular part , thus varying the degree of grinding. In the grinding chamber’s interior, the ejectors accomplish the mixture, as well as the crushing of the chaffs that could be ground. The grinding chamber is ventilated by air, preventing the coffee to overheat so that optimal quality and aroma can be achieved. The cofffee temperature is controlled by means of a probe. This machine can easily grind cofffee from very fine to thick and can work continuously for many hours in a row. The machine is air-cooled and has a ventilation system to prevent coffee from heating up.