The milling of the corn for the human consumption requires several operations. For the achievement one the mill for corn of small capacity it has been achieved studies and researches through which it has determinated constructive solutions so that to respect all technological operations of milling process. So, the cleaning of seeds it achieves through a pneumatic separation. For the milling of the grain it can use a roll mill with 3 rollers but for the sifting of the milling produce it can use a cassette with 2 sieves which allows the separation of the bran, the semolina meal and of the powder flour.