Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.


Using ropes, chain or other design to counterbalance transfer of hoist rope weight from one side of the hoisting machine to the other as the car moves within the hoistway.

Tags:  chain rope traction

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