Method for generating a machining program of a plunge mulling machine tool, comprising the steps of: establishing a machining to be performed on a workpiece; acquiring first machining information that indicates stable cut conditions of the machine tool for the workpiece; acquiring second machining information that indicates engagement cut conditions of the machine tool during the machining on the workpiece; carrying out a determination of the rotation speeds of the machine tool during the machining on the basis of the second machining information and the first machining information; wherein the machining program is generated on the basis of the determination carried out.