First, it is necessary that all parts of the sling are readily visible. Rope use a wire rope can be simply considered as an assembly of several strands laid helically in different possible arrangements in order to bear axial loads. For more than 50 years, the group has been dedicated to excellence and has implemented stringent process controls at. Do not use a fitting unless it is of the proper shape and size to ensure that it seats properly in the hook or lifting device. Requirements for belowthehook lifting devices, slings.
Consult the sling manufacturer for specific data or refer to the wrtb wire rope technical board wire rope sling users manual, and do not use a fitting unless it is of the proper shape and size to ensure that it seats properly in the hook or lifting device. Do not attempt lifting operations unless you understand the use. We are an established provider of slings, rigging, and a wide variety of both commercial and industrial applications. The purpose of this manual is to provide a resource for preparing wire rope terminations when using crosby products. Download for detailed rope inspection checklists, abrasion evaluations, and a library of splice instructions. Wire rope slings general information 21 2 figure 1. Wire rope slings, sometimes referred to as wire cable slings are more robust and durable than nylon slings and also have higher temperature limits. Wire rope slings quality products the crosby group. For more than 50 years, the group has been dedicated to excellence and has implemented stringent process controls at each step of the manufacturing process. Store wire rope slings on a rack and not lying on the ground. Safety tips for maintaining wire ropes and slings mcaa. The wire rope should never exceed an out of vertical angle greater than 15 under. Replacement of wire rope slings identification should be considered as a repair and is required to be performed by the manufacturer or a qualified person. During use of the steel cable wire rope sling or assembly never cause a knit in the cable.
Consult the sling manufacturer for specific data or refer to the wrtb wire rope technical board wire rope sling users manual, and. This manual discusses established criteria for most types of wire rope slings. Usha martin group usha martin is one of the largest manufacturers of high quality wire ropes in the world. A tagline should be used on such a lift to prevent rotations which can damage the sling. All persons using the sling should read the tag and understand the information on it. Do not divert attention from load while operating hoist. Fleet angle should be no more then 112 degrees note. Wire rope sling use every lift uses 1 of 3 basic hitches. A label must be affixed to each unit that directs the user to consult the manufacturers manual if the. Elongation of wire rope structural engineering general.
This is the core used in the wire rope slings provided on site. The service life of that rope can be greatly extended by following a planned program of installation, operation, maintenance and inspection to avoid the most common causes of wire rope failure. Equipment should not be installed, operated or maintained by a person who has not read and understood all of the contents of the owners manual. Wire rope slings with an independent wire rope core iwrc can withstand contact and. The storage area should be dry and free of any contaminates which may harm the sling. Usha martin is one of the largest manufacturers of high quality wire ropes in the world. Refer to either the wire rope technical boards wire rope sling users manual for the wire ropes rated capacity, or the. Illustrations of lattice boom dismantlingassembly have been reproduced from the mobile. Also included are wire rope strength and weight tables for fiber core and iwrc 6strand ropes. The committee of wire rope producers of the american iron and steel institute grants permission to reproduce or quote their wire rope users manual and the wire rope sling user s manual when used as an editorial reference. To be fit for purpose, it must also ensure other features, like resistance to side loads, flexibility, handling and stability. This 174 page manual discusses established criteria for most types of wire rope slings.
We offer a full line of proven wire rope slings, including singlpart body, multe part body, superflexi braided slings, grommets and socket assemblies. Volume i of the wirerope handbook is the first of three concurrently pub lished volumes dealing with navy usage of wite rope, it is intended for,c persors concerned with designing wirerope systems, selecting wire rope for. Wire rope sling users manual crane institute of america. The wire rope sling user s manual third edition is published by the wire rope technical board and is the culmination of a joint effort between the domestic wire rope manufacturers and members of the associated wire rope fabricators. Steel cable wire rope slings are not allowed to be knitted. This 160 page manual is a comprehensive and convenient source of reference. Vertical, or straight, attachment is simply using a sling to connect a lifting hook or other device to a load. And follow all the information in this warning document and the instructions shown in wire rope end terminations users manual before operating the. Wire rope sling users manual 3rd edition iti bookstore. The wire rope should never exceed an out of vertical angle. Do you want to extend the service life of your wire rope sling. By use the steel cable wire rope slings can form bends or kinks and therefor you must work with extreme care by pulling the wire rope slings from under the load to avoid this from happening.
To select the best wire rope for each application, one. Carry this manual into the field and plug it into your laptop or tablet or other device that has a usb port. Full rated load of the sling may be used, but never exceeded. Wire rope size sling style rated vertical capacity base length base cost adder per foot 14 eye eye.
Harrington includes an owners manual with each product shipped. Wire rope users manual allows 2 degrees on grooved winch drums. Fewer wires means larger diameter wires, better abrasion resistance, and reduced. Wire rope and sling basics two major and opposing characteristics of wire rope slings are. The crosby group has a reputation for reliability and exceptional quality control as one of the leading manufacturers for lifting and rigging hardware. Guidance on safe sling use occupational safety and health. Chapter 6 is physical properties and has information on stretch which varies depending on your wire rope construction. Sayfline 7603040, sayfline 7603000, sayfline 7603020, sayfline 7603060. The working load limit rating of the terminationwire rope combination is not entirely a function of the fitting being used. The initial identification is done by the manufacturer and should be maintained by the user so as to be legible during the life of the sling. Our partner, samson rope, provides the strongest most durable synthetic ropes for versatile rigging applications. Do not alter, modify or repair a wire rope sling but refer such matters to a competent person. The wire rope sling users manual third edition is published by the wire rope technical board and is the culmination of a joint effort between the domestic wire rope manufacturers and members of the associated wire rope fabricators.
Pdf wire rope user s manual aisi saul cubillos ramirez. If there is evidence of defect or deterioration, remove the sling from service immediately. I use the wire rope user s manual 4th edition which is put out by the wire rope technical board. The committee of wire rope producers of the american iron and steel institute grants permission to reproduce or quote their wire rope users manual. It is important that the proper components be used to make a termination. According to the wire rope technical board, proper inspection should follow a systemic procedure, as described in the wire rope sling users manual. Your electronic manual can be read by both pc and mac operating systems. Additionally, you will understand the fundamental mechanics behind our most popular rope constructions and classifications. In this full length handbook, learn the basics of wire rope including how to choose and measure wire rope. Supply conditions for steel wire ropes and strands second revision is an important adjunct to this manual. View and download dbisala sayfline multispan wire rope horizontal lifeline user instruction manual online. The wire rope sling users manual, published by the wire rope technical board wrtb, is the joint effort between the domestic wire rope manufacturers and members of the associated wire rope fabricators awrf.
They also require that inspections be executed by the sling user. Wire rope slings have been used extensively for years and were once the industrial lifting sling of choice. Wire rope engineers design those parts in different steel grades, finishes and a variety of constructions to attain the best balance of strength, abrasion resistance, crush resistance, bending fatigue resistance and corrosion resistance for each application. Rope producers of the american iron and steel institute grants permission to reproduce or quote their wire rope users manual and the wire rope sling users manual when used as an editorial reference. The samson app is an allinclusive technical rope guide designed for hobbyists and professionals, alike. The wire rope user s manual, 4th edition is now available on flash drive. Guidance on safe sling use occupational safety and.
Nominal sling strength is based upon the nominal catalog rope strength of the wire rope used in the sling and other factors which affect the overall strength of the sling. The primary factor in wire rope performance is selecting a wire rope with the best combination of properties for the job. Sayfline multispan wire rope horizontal lifeline protection device pdf manual download. Refer to either the wire rope technical boards wire rope sling users manual for the wire ropes rated capacity, or the wire rope users manual for the minimum breaking force of the wire rope, whichever applies to your application. These other factors include splicing efficiency, number of parts of rope in the sling, type of. Tolerances and minimum lengths refer to tables for tolerances and minimum lengths. Samson 3strand construction rope 3strand constructed rope can be used as rigging lines, block lines, hand lines, and many more applications. It must be marked to identify the repairing agency. Wire rope users manual new edition builders book, inc. To a great extent, these traits are a direct function of the number of wires. Chapter 41 requirements for belowthehook lifting devices, slings, and rigging hardware and accessories. Wire rope slings quality industry products from the crosby group. When cable wire rope slings are being wounded more than once around a load, the wounds needs to be close to each other and they are not allowed to cross each other.
Harrington product owners manuals include valuable technical, safety, operation, installation and maintenance information. Wire rope user manual fourth 4th edition wire rope technical board on. Any wire rope slings that have damage and have resulted in distortion of the structure including kinking, crushing, unstranding, bird caging, strand displacement, or core protrusion, must be removed from service. Consult the sling manufacturer for specific data or refer to the wire rope sling users manual wire rope technical board. To be t for purpose, it must also ensure other features, like resistance to side loads, aexibility, handling and stability. Therefore, the anticipated efficiency is shown as a function of the wire rope strength.
The wire rope users manual, fourth edition it is published by the wire rope technical board and is the culmination of a joint effort by the domestic wire rope industry. Wire rope users manual available on digital media wire. Permission has been received from the american society of mechanical engineers to use and reproduce portions of standards relating to crane operation and safety. Mependent wire rope iwrc this is a separate wire rope. Requirements for belowthehook lifting devices, slings, and. Fleet angle is the entrance and exit angle of the wire rope relative to the sheave. Steel wire rope slings can have yarns which stick out and for this reason you must always wear safety gloves. The wire rope user s manual, fourth edition it is published by the wire rope technical board and is the culmination of a joint effort by the domestic wire rope industry. This manual includes rated capacity tables, useful guidelines for the proper storage of wire rope and sling inspection criteria. The wire rope users manual, 4th edition is now available on flash drive. This companion volume to the wire rope user s manual includes. All recommendations in this manual assume the use of crosby products. Synthetic ropes high quality products ashley sling, inc. Construction and technical requirements to understand the construction and technical requirements of a wire rope the following definitions are important and are suitably explained by the accompanying illustrations.
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