For Area and Groove turning, the Automatic option will remove material from the whole area of the cut (minus PROF_STOCK_ALLOW). Convex corners can be either straight or filleted, depending on the CORNER_FINISH_TYPE parameter value.

For Profile turning, Automatic material removal can be created if the NC sequence uses a single Turn Profile, or multiple Turn Profiles that form a continuous chain of entities. You do not have control over the direction of material removal extensions; if they do not work for your Turn Profile, create the material removal feature using the Construct option.

For Trajectory and Thread turning, Automatic material removal is not applicable.