your own. Slings may be constructed of fiber line, wire rope, or chain.
FIBER-LINE slings offer the advantage of flexibility and protection of finished material. At the same time, fiber-line slings are not as strong as wire- rope or chain slings. In addition, fiber-line slings are more likely to be damaged in the event of sharp edges on the material being hoisted than are wire-rope or chain slings.
Three types of fiber-line and wire-rope slings commonly used for lifting a load are the endless, single- leg, and bridle slings.
An ENDLESS SLING, usually referred to as a SLING, can be made by splicing together the ends of a An endless sling is easy to handle, and you can use it in several different ways to lift loads. Frequently, it is used as a choker hitch (fig. 1-10). To form a choker hitch, cast the sling under the load to be lifted and insert one loop through the other and over the hoisting hook. A SINGLE-LEG SLING, commonly referred to as a STRAP, can be constructed by forming a spliced eye in each end of a piece of fiber line or wire rope. Sometimes the ends of a piece of wire rope are spliced into eyes around thimbles, and one eye is fastened to a hook with a shackle. With this arrangement, the shackle and hook are removable.
A single-leg sling may be used as a choker hitch (fig. 1-11) in hoisting by passing one eye through the piece of fiber line or wire rope to form an endless loop. other eye and over the hoisting hook.
Figure 1-10. - Choker hitch formed from an endless sling.Continue Reading