Requirements to be met by rollers used in escalators and moving walkways. Part 1: Small rollers, big responsibility

摘要

Escalators and moving walkways are being used all over the world. When loads are transported, most of the work is done by rollers. In the step chain and in the handrail system they are doing their dependable job in obscurity. The design and quality of the small rollers are crucial for a safe and faultless operation of the escalator and moving walkway. This report unveils the role these rollers are playing and the requirements they must meet.