Door window cutting machine is used for aluminum door-window and curtain wall profile cutting. Adjustable head movement uses hi-precision ballscew for accurate positioning and stable running. Automatic unloading, Two saw blades can change angle automatically to accurately cut aluminum at 22.5angle, 45 angle and 90 angle. CNC system, screen user friendly can accommodate different size profiles. Safety shields. Feeding system adopts linear guide rail pair, Hi-precision, durable air-liquid damping cylinder assures blade feeding is even and sable running.