How it works 

• The lift rope is wound around a sheave, or pulley, at the top of the elevator shaft.

• The motor rotates the sheave, which moves the lift rope.

• The elevator car moves up or down based on the direction the lift rope moves.

Why it's important

• Lift ropes must be durable and have excellent tensile strength. 

• They must be able to withstand heavy loads, frequent use, and the forces of starting, stopping, and changing directions. 

• Lift ropes are a critical component of an elevator's safety mechanisms, such as speed regulation systems.