Spreader beams are universally applied gear which is widely used in various types of lifting operations onshore and offshore.
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Typically a simple spreader will have a suspension sling which connects the lifting machine hook to the ends of the spreader which are then connected to the load.
In this article we will explore the design of a basic spreader beam and see what design checks are needed to establish the suitability of a spreader beam for particular lifting operation.
Design of adjustable spreader lifting beam of standard profile heb series geometry of lifting at the each end of the hollow pipe spreader beam solved using the equations of static equillibrium a strength design design for flexural bending stress selecting the section initially based on this.
Essential spreadsheet for designing steel beams in accordance with american standard aisc 360 10.
Guide to lifting beams and lifting spreaders.
Sparta s approach to optimizing the spreader bar design otherwise known as lifting bar or lifting beam is an iterative process.
Calculations are based on lrfd method load and resistance factor design which is more common nowadays in us than the still sometimes used asd method allowable stress design.
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Variations in the design of the multi lift spreader bar evolve over a period of time as requirements and technology change and the demand for a more efficient product is desired.
A spreader often called a spreader beam is actually a strut loaded in compression.
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