The screw conveyor performs a rotational movement when transporting the product along the screw conveyor, its improved design is being developed, and according to the results of scientific research, it is recommended as an important innovation in production. The essence of the work is that on screw conveyors in a horizontal or inclined position, the corrugated surfaces of the screw winding help to move the transported product from one place to another during the rotational movement, so that the transported product does not move in the opposite direction. When using augers with different screw winding designs, an analytical relationship was obtained to determine the optimal undulation angle on the outer surface of the auger, and a specific new design of a horizontal or inclined screw conveyor was developed.