Automatic Door Lift

Automatic elevator means a passenger or freight lift operated by push buttons so that the starting, moving, levelling, holding and opening and closing of the doors is entirely automatic.a hydraulic machine by which automobiles are hoisted above the floor to give access to the underparts.Put simply, Automated Door Systems are systems that power doors to open automatically, usually by sensing an approaching person. Automated doors come with a variety of options, they can be swinging doors or sliding doors.Elevator doors are set of doors that prevent passenger from falling onto the hoist way.The doors on the cars are operated by an electric motor, which is hooked up to the elevator controller. The electric motor turns a wheel, which is attached to a long metal arm. The metal arm is linked to another arm, which is attached to the door. The door can slide back and forth on a metal rail.