single leg wire rope free sample
The diameter of a wire rope is the diameter of circle which encloses all of the wires . When measuring wire rope it is important to take the greatest distance of the outer limits of the Crown"s of two opposite strands. A measurement across the valleys will result in incorrect lower readings .
It is difficult to fix the safety factor for each type of wire rope to be used for various equipments ,as this factor depends not only on the load carried,but also on the speed of rope working, the kinds of fitting used for rope ends,the acceleration and deacceleration ,length of rope,the number ,size and arrangements of sheave drums etc. The following safty factors are minimum requirements for safety and economy in the common installation .
This chart is purely an attempt to illustrate the relative characteristics of different constructions of wire rope as indicated in the text . No numerical scale is shown or intended .
Single leg wire rope slings are just as they sound- they are comprised of a single length of wire rope. Also sometimes known as one leg wire rope slings or single leg cable slings, these heavy duty lifting slings offer some versatility as they can be manufactured with a variety of end configurations.
An eye loop is formed using a flemish eye splice, in which the rope is separated into two parts. One part contains three strands and the other three strands plus the core. These two rope parts are then re-laid back into the opposite direction, forming an eye. The entire area is then secured by a metal pressed sleeve.
Sliding Choker Wire Sling:Sliding choker wire rope slings are made of 6 x 19 EIPS wire rope and have a sliding choker hook between the two eyes that slides from one end to the other for easy hook-up. Sliding wire choker slings feature a regular eye for the top portion of the lifting sling and a thimbled eye for the portion of the sling that loops back to attach to the sliding hook. This helps prevent wear and tear on the sling eye by protecting the steel cable rope from rubbing on the hook. Our sliding wire rope choker slings are also available with a latched choker hook by special order.
Ultra Flexible Cable Laid Sling: Cable laid wire rope slings are manufactured using an ultra-flexible 7 x 7 x 7 galvanized aircraft cable to offer more flexibility than a standard steel wire cable sling. Though the cable laid sling is weaker in strength than the standard wire rope, it offers excellent corrosion resistance. Our standard cable laid metal slings have eyes on both ends but other fittings are also available, including thimbles, hooks, crescent thimbles, and slip-thru thimbles to create the custom steel strand lift sling you need.
As with all lifting slings, the rated capacities of single leg wire slings will vary based on the type of wire rope, as well as the direction and angle of the pull.
Please selectAlloy Chain / Alloy Chain SlingsHoist Load ChainWeb Sling / Round SlingWire Rope / Wire Rope SlingFittings (Shackles, Eyebolts, Hooks, Hoist Rings, etc.)Other
Single leg design can be used in a range of hitches and angles. Manufactured with mechanical Flemish eye splicing for excellent efficiency and strength.
Single leg design can be used in a range of hitches and angles. Manufactured with mechanical Flemish eye splicing for excellent efficiency and strengt...
Single leg design can be used in a range of hitches and angles. Manufactured with mechanical Flemish eye splicing for excellent efficiency and strength.
13mm nominal diameter x 2.8tonne Working Load Limit (0-45° BETA Lifting Angle) 6X36 IWRC Grade EIPS (Tensile Strength 1960N/mm2) Galvanized Steel Wire Rope Sling Both End Mechanical Spliced with Aluminium Ferrule DIN3093 Standard Length.
Rope Services Direct supplies a variety of anti-spin non rotating wire rope (also called rotation resistant wire-rope). All standard rope wirehas a tendency to develop torque and therefore prone to rotation, whereas non-rotating wire ropes are designed so that the wire-rope outer rotational force naturally counteracts the inner strands rotational force. This is in the event that a rope is subjected to a load.
Rope elongation and rotation occurs on standard ropes when loaded, which can therefore spin the load, quite possibly out of control, which can be dangerous. When the rope rotates in this way the strands will begin to unravel. This causes the rope to lose strength and will undoubtedly fail, which could be catastrophic. It is for these reasons that non rotating wire rope is commonly used for many types of lifting applications including main hoist rope, whip rope,crane rope, off-shore and deck rope and more.
Non rotating wire rope or rotation resistant wire rope has a different construction to standard. as wires and strands are not laid in the same direction like they would be on standard rope. Inner and outer strands of wires are laid in opposite directions. For example the inner may be constructed in left hand lay whilst the outer layer is in right hand lay. The nature of this construction means that torsional forces on the inner and outer wires/strands will counteract each other and therefore minimising the risk of unraveling.
It is worth noting that the number of strand layers will have an effect of the resistance of rotation. A 2 layer rope has less resistance than a 3 layer rope. Therefore the more layers the rope has the greater rotation resistance it will have.
These types of ropes can be classified as spin resistant, rotation resistant or non rotation resistant. Classed on the basis of the number of rotations a certain length of rope does when a force of 20% of the MBF is applied; with 1 turn or less the rope will be classified as non rotating; with rotations between 1 & 4 the rope is classed as low rotation and for rotations between 4 & 10 the rope will be classified as spin resistant, any higher and the rope is NOT rotation resistant at all.
Correct usage and care with handling will prolong the working life. This is due to the friction on the inner wires caused by the strand crossover’s which will eventually cause the inner wires to break up. This is more apparent on non rotating wire rope with two layers. Ropes with 3 or more strand layers will distribute the radial pressures more evenly. Which will reduce friction and stress on the inner wires.
Regular,thorough inspectionsof non rotating rope are essential due to the fact that it is the inner strands that often break first and broken internal wires often go unnoticed as they are difficult to see.Rope Services Direct offer inspectionson all rope with certification issued on completion.
Holding both ends of the rope will prevent unraveling. Correctly fitted terminations will help to prevent damage. Kinking and unraveling may occur and they can also have an effect on the rotational balance if not fitted correctly.
Examine slings for wear, fatigue, crushed or broken wires, kinking, ballooning or "bird-caging", heat damage, etc. Check both before and after using slings to detect any damage or defects. See Hoist wire rope for more inspection tips.
We are a full service rigging supply company located in Ridgway, Pennsylvania. Our location is fully equipped to handle your wire rope fabricating, chain and synthetic sling and hardware needs.