This study is for a pipe cutting apparatus for use in a process of a pipe. The system refers to a novel structure comprised of a main bed, a feeder part and a cutter part. The feeder part is comprised of an AC servo motor unit, a feeding gear unit, a LM guide and a rail. The cutter part is comprised of a blade unit consisting of a blade for cutting, a AC servo motor to rotate the blade unit and a clamp unit to fix the pipe. This study proposes a mechanism of a product by designing the system and analyzes the cutting power. This study will be used as basic data for the design by analyzing the vibration and the structure