Overview of Electric Overhead Traveling (EOT) Cranes
In Overview of Electric Overhead Traveling (EOT) Cranes, you'll learn ...
- EOT crane types, components and CMAA service classifications
- Hoist types and selection factors
- EOT Crane structural design considerations
- Overhead crane power and control systems
A crane is a machine that lifts, lowers and moves loads horizontally. An overhead crane, also known as a bridge crane, is a type of crane where the hook and line mechanism runs along a horizontal beam that itself travels on the two widely separated rails. This type of crane is often used inside of factory buildings and warehouses, where it runs along rails mounted on the two long walls. A gantry crane is similar to an overhead crane, but with a gantry crane the bridge carrying the trolley is rigidly supported on two or more legs moving on fixed rails embedded in the floor.
Overhead traveling cranes are also available in various configurations. The two main categorizations are top-running versus under-running bridge cranes and single-girder versus double-girder bridge cranes. Crane travel is directed by an operator, either manually or with a wired pendant station or wireless controls that guide the electric- or pneumatic-powered travel. Typical uses include multi-directional movement of materials through the production process, manufacturing support, transporting heavy items to and from storage areas, loading or unloading activities inside a warehouse or onto open trailers or railcars.
This 6-hr course presents an overview of electric overhead travelling cranes and discusses the mechanical aspects of appropriate selection, as well as civil, structural and electrical design parameters.
This course is suitable for mechanical engineers, electrical engineers, structural engineers, construction engineers, factory and workshop operators, supervisors, O & M professionals, facility managers, and estimators. No specific prerequisite training or experience is required.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- Various types of overhead cranes
- The components and terminology of overhead cranes
- Crane duty groups and service classification such as CMAA, HMI/ASME, FEM and ISO
- Various types of hoists, their application and safety features
- Various types of loads (forces) on the crane runway girder and the building structure
- Methods of distributing power to overhead cranes including festoon systems
- Types of NEMA motors and enclosures used for overhead cranes
- Electrical grounding requirements per NEC
- EOT crane control systems
- Standard specifications covering mechanical, structural, and electrical requirements
- Key crane inspection and testing requirements as required by OSHA
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 30 questions. PDH credits are not awarded until the course is completed and quiz is passed.
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