Automatic production line and machining method for cylinder sleeves

The invention provides an automatic production line for cylinder sleeves. The automatic production line comprises a truss and further comprises a rough-fine inner machining station arranged at the feeding end below the truss and a rough middle and outer machining station arranged at the discharging end of the rough-fine inner machining station; a robot used for transferring materials is arranged on the portion, above the rough-fine inner machining station, the rough middle and outer machining station and a fine outer machining station, of the side wall of the truss; each of a rough honing machining station and a fine honing machining station is provided with a manipulator used for taking the materials. The invention further discloses a machining method for the cylinder sleeves. According to the method, the automatic production line for the cylinder sleeves is included. According to the automatic production line and the machining method, the robot and the manipulator are used for feeding and discharging the cy