Automatic CNC Polygon Turning Machine Lathe The CF40 Automatic CNC Polygon Turning Machine Lathe is specifically designed for small to medium-sized, high-precision parts milling, enabling the machining of external polygons such as squares, rectangles, hexagons, and octagons. With its advanced CNC system, this machine can perform surface, curved surface, and taper machining.Send us on email [email protected]