Abstract: An automatic feed oven for material processing (1) comprising an insulated heating chamber (4), the heating chamber having the product discharge outlet (21) and a material inlet (39), a heating source (14) operatively arranged to heat the heating chamber, a chamber feed mechanism (40) operatively arranged to feed material into the chamber through the material inlet, the chamber feed mechanism comprising a receptacle (6) operatively arranged to receive material, a linear actuator (42) operatively arranged to move the receptacle between a fill position (55) outside the chamber and a discharge position (56) within the chamber, a rotational actuator (43) operatively arranged to rotate the receptacle between a receiving position (57) and a releasing position (58), and a receptacle feed mechanism (44) operatively arranged to feed material into the receptacle when the receptacle is in the fill position.