Have you ever considered the movement of a turnstile or an automated gate? Nowadays the advancement in the technologies used at these gates, such as facial recognition and body scanners, means that it is more than just an open and shut movement.
In this video, adjustable facial recognition screens are shown using various Igus products, from drylin E systems to readychains. These two combined provide a smooth running and safe movement. Even within the gates themselves, igubal bearings are used for misalignment.