Bridge aluminum doors and four knives Face milling equipment for milling aluminum end face to meet the club with the box of mix. A plurality of profile milling, high efficiency cutting tools can be used for up and down, left and right to adjust to accommodate different shapes and sizes due to the processing tool is adjustable, in the processing of different profiles, without having to customize the tool, thereby shortening the production preparation, cycle and reduce cost of the circuit system install the motor phase sequence protection, improve system security work into the system using liquid damping device, stable and reliable.