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14 feet

## How do you calculate sling load?

Take the total weight of the load and divide this by the number of legs supporting the load. For example, assume a 2,000 pound load is to be supported by 2 legs of a sling. The above will give a total minimum weight on each leg of the sling of 2,000 pounds divided by 2 legs or 1,000 pounds.

## What are the three basic types of slings?

What types of slings are used to lift loads?

• Wire rope slings.
• Fibre rope slings.
• Chain slings.
• Synthetic web slings.
• Metal mesh slings.

## What is the difference between SWL and WLL?

WLL vs SWLWLL” stands for “working load limit” while “SWL” stands for “safe working load.” The main differences between safe working load from working load limit is that “SWL” is the older term. … Let us discover the reasons why engineers put an end to using the term “safe working load.”

## What is sling angle?

Sling Angle is the angle measured between the horizontal plane and the sling leg or body. … The angle is very important and can have a dramatic effect on the rated capacity, due to the increase of tension caused by the angle.

Lifting Weight [LW] x the Tension Factor [TF] = Minimum Sling Rating for the type of hitch that will be used. * Measured from a common horizontal plane to the hoisting hook. Sling capacity decreases as the angle from horizontal decreases. Sling angles of less than 30° are not recommended.

## How do you find sling stress angle?

The user must first determine the angle and multiply the load weight by the tension factor for the specific angle. The result is the INCREASED TENSION or actual loading on the sling leg(s). Multiply the load weight by the tension factor to determine the loading on the sling leg(s).

## How do sling angles affect the lifting capacity?

Using slings at an angle can become deadly if that angle is not taken into consideration when selecting the sling to be used. The tension on each leg of the sling is increased as the angle of sling, from horizontal, decreases. It is most desirable for a sling to have a larger angle of lift, approaching 90-degrees.

## When the legs of a sling are at an angle the lifting capacity is?

The capacity of the sling in this hitch is twice that of the same sling in a vertical hitch, but only if the sling angle of each leg is 90° (see right). Lifting with both legs at 90° would normally require two lifting devices or a spreader bar. at an angle during a lift , the sling capacity is reduced.

## What is the minimum grade of chain required for chain slings?

Steel chain slings are regulated under the MIOSHA Part 49 Slings. Only alloy steel chain, grade 80 or 100 is to be used for overhead lifting.

## What is the minimum design factor for wire rope slings?

Design factors

Item Component Minimum design factor
9 Chain fittings 4
10 Wire rope sling fittings 5
11 Other fittings as specified by manufacturer
12 Non-rotating wire rope as specified by manufacturer but not less than 5