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.

Rail Module

Rail Module: The rail module contains the rails (typically 16 feet long). Conventional “T” rails come in various sizes which are specified as pounds per foot of rail. Industry standard rail sizes are 8, 15, 18.5, 22, and 30 pound rail. The rail module also includes splice plates with the nuts and bolts that are used to connect multiple rails together. The ThyssenKrupp pre-engineered hydraulic elevator uses a specially designed “omega” rail. A cross section of the omega rail resembles the Greek letter “omega” (Ω). Since the hydraulic elevator is not required to use a rail safety to prevent a free falling car the plain steel “T” rails that provide a safety shoe griping surface used for traction elevators is not necessary. This allows the innovative omega rail design which provides a lighter rail weight and easier and faster rail installation. Hoistway width space must allow enough room for the rail and rail bracket. For the typical hydraulic elevator a minimum of 8” on each side of the platform is provided. For larger engineered applications a larger space may be required.

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