Alltec carries spreader bars with a WLL over 500T at 70ft. A spreader beam is engineered to create stability during a heavy duty lifting application. 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 **** Design Verification Manufacture Safe use ONLINE A GUIDE TO LIFTING BEAMS AND SPREADERS . High-quality spreader beams from Grainger help lift uneven loads and keep them level for increased safety. lifting beam or spreader can also bring its own ri sks, particularly if it is not balanced i n the unladen state. Some common profiles are shown in Fig. Our BELOW THE HOOK manual pull out single or double extension spreader bars slide out smoothly and are easily locked with a manual pin They are available.in many standard lengths and capacities and if required we will custom design and built to your specifications. Caldwell's new High Capacity Spreader Beam is the solution you need to fill those orders where aquick delivery is required on beams with capacities ranging from 5 to 130 tons. They are suspended by a crane from two slings and normally have two to four bottom slings attached for rigging to the load. Below-the-hook lifting devices such as spreader bars and lifting beams must be designed in accordance with ASME BTH-1 and are to be manufactured and used in accordance with requirements of ASME B30.20 which specifies requirements for marking, inspection, construction and operation. 1. 1A. RE: Lifting Beam / Spreader Bar Design Considerations mrMikee (Structural) 13 Jul 05 22:02 I've been told that OSHA requires a 3 to 1 factor of safety to yield and a 5 to 1 factor of safety to ultimate, but I don't have any details with me now.
The beam design offers higher lifting capacities than the crane runway beam styles, but it does require headroom so it’s ideal for outdoor work sites with unlimited overhead space.
Wgt tot = 22046 lbs 10000 kg safety factor = 1.5 times Wgt tot = 33069 lbs Y c.g = 98.425 in Ytot = 196.85 in 5000 mm b1 = 60.0 o. b2 = 60.0 o The design of such bars is governed by BTH-1 and need to be carefully reviewed by an engineer. Using one of our Modular Spreader Beams enables you to be more fl exible over a number of lifts without needing to buy a new Spreader Beam every time, our lightweight design also minimises the overall weight of the lifting equipment and the costs incurred whilst working between the hook and the load. From 2 points of lift, to 4, to 6 or 8, as long as you have the head height available (distance between the hook and the load) then a spreader beam system is a cost effective and easily accessible lifting solution. Model 413 A spreader beam with formed hooks for use with slings. This
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