This article explores the formation of non-deformed chips during the cut-in of an internal toothed ring using the Power Skiving method. This pivotal stage of the cutting process poses significant hazards not only in gear cutting but also in any cutting operation. The study involved modeling the process at the initial stage for various technological parameters, including cut-in depth and number of working passes. To achieve non-deformed chips, a methodology developed for worm milling was applied. The developed simulation can calculate the corresponding geometry of the cut on each rotation of the cutting tool into the workpiece. Through the utilization of a CAD/CAM environment, solid models involved in the process accurately replicate the cutting process. Based on the obtained regularities, it is possible to select optimal technological parameters and establish safe cutting modes for different gears for the respective equipment and its power parameters
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