The rotation angle sets the cut-out surface
By changing the rotational angle (A) of the disc, the cut-out surface is shifted. When working shallow, a full cut-out needs to be achieved with smaller portion of the disc working in the soil. Thereby the disc angle needs to rotate to increase the cut-out surface. At deeper working depth, cut-out is not an issue.
The disc rotational angle instead needs to be optimized for the soil flow. This minimises unnecessary soil moved, to thereby ensure performance, and lower the risk of bulldozing. Both factors have positive impact on the diesel consumption.