Steel choker rigging chart pdf. Related Guidelines + Add to My Handbook 15.


Steel choker rigging chart pdf. For choker hitch, the angle of choke shall be 120 degrees or greater. The Twin-Path sling design, which has two individual paths of fiber working as one sling, gives the rigger confidence. The rescuer also has a critical role to play when using the heavy lifting equipment such as cranes. , an increase of 41. Here, we outline core operating principles for hitches and slings, including considerations specific to certain set-ups. Triangles can be furnished in forged aluminum construction (one ply) and forged steel construction (two ply). Related Guidelines + Add to My Handbook 15. & Rigging, Inc. Slings are used to suspend the lifting beam from the main hook. Feb 28, 2018 · Lifting Slings How to Inspect Wire Rope Slings According to ASME B30. You can use the chart below to calculate tension factors. Polyester Slings with Aluminum Triangle and Aluminum Choker Capacity Chart Polyester Slings with Steel Triangle on Both Ends Capacity Chart Polyester Slings with Steel Triangle and Steel Choker Capacity Chart Polyester Slings with Reversed Eyes Capacity Chart Polyester Round Body Slings Capacity Chart Dec 12, 2023 · Using the incorrect rigging can compromise safety and lead to serious accidents. If you need to reference the Crosby User's Guide For Lifting pocket si Sep 2, 2021 · Thus, the objective of this Chain Sling User’s Manual is to impart a knowledge of chain sling properties and the proper use, care and maintenance of chain slings. The choke angle is defined as the angle between the sling and the vertical, as shown below. It is also intended to assist the chain user to evaluate loads and to adopt lifting practices that will conform to safety requirements. When the weights and capacities are known, the rigger must then determine how to lift the load so that it is stable. The Flex-X® process provides a smooth, extremely compact wire rope with greater surface area and more steel per given diameter, which increases strength, fatigue resistance and wear resistance. Lift-All can perform this service and re-certify all sling brands at a relatively low cost. YOU must determine the applicable design factor for your use. Two chokers should be used to bala ce the load. Shown below. 5/16" Eye Type Eye Type Sling Hook (9/32") 5/16" Eye Type Eye Type 1 -LEG CHAIN SLINGS Capacity in lbs (Grade 100) Master Link Lift-All Hoists Hoist Rings Lifting Devices Plate Clamps Load Huggers Tow Products General Information Web Slings Round Slings Sling Protection Wire Rope Chain Slings Rigging Hardware Mesh Slings Lift-All Hoists Hoist Rings Lifting Devices Plate Clamps Load Huggers Tow Products General Information Web Slings Round Slings Sling Protection Wire Rope Chain Slings Rigging Hardware Mesh Slings Basic Rigging Principles Part 1 Basic Rigging Principles – Part 1 Rigging is the process of moving heavy loads with slings, chains, hoists and other special tools. Inspection is facilitated by painting sleeves gold to verify swaging is complete and proper. 3 Detaching loads Copy section link Loads to be unhooked by a worker must be safely landed 75mm (3in) 1,360kg (3,000lb)31. The rated capacity for a basket hitch is twice that for a vertical hitch. Gold Standard Wire Rope Slings Rugged and reliable, the flemish eye spliced with carbon steel sleeves offer the greatest safety in a wire rope choker. Saves Money Alloy steel end fittings coupled with G100 chain resist abrasion and cutting for greater sling life. Determine Task and Job-Site Requirements In order to ensure the safety of workers and the equipment involved, any operation involving the use of a crane to lift items must be planned thoroughly before being carried out. her objects. Here is a brief overview of how the rigging method selected can impact the lifting capacity for three common sling hitches: vertical (straight), choker, and basket. Splicing efficiency. Description: Triangle choker nylon sling is a heavy-duty Class 7 web sling,maylon material with Type 1 steel triangle & choker end fittings commonly referred to as a 'TC' sling. Our choker wire rope slings are also available with a latched choker hook by special order. This section applies to slings used in conjunction with other material handling equipment for the movement of material by hoisting, in employments covered by this part. 78 rare steel choker load chart, type 30 6 x 26 riggers hand splice one leg eye eye wire, which sling hitch is best for your lift vertical vs basket, sling wire rope sling, HOISTING AND RIGGING PROGRAM Safety should be the first priority when performing lifting operations. By representing some of the most reputable manufacturers around the Globe, Vanguard’s various Product Divisions offer a wide range of North American, European and Asian products, many of which are being manufactured to Vanguard’s Sep 7, 2017 · Frequently our work involves lifting materials with a choker hitch. pdf), Text File (. Our knowledgeable experts can help you determine what will work best whatever you’re doing. Sling tension occurs when the slings are rigged at an angle; this directly affects capacity. This i cludes vertical, choke, and basket hitches. Slings should not be used at angles of less than 30°. In the following table, we will hold the load diameter and sling rating constant while changing the rope size. This choker is features a standard eye and eye on each end. All loads to be lifted or moved must be assessed for weight, stability and rigging points. unirope. Unirope Slingmax offers a wide range of rigging products including sliding chokers, slings and more. To determine the actual sling capacity at a given angle of choke, multiply the sling capacity rating (for a choker hitch) by the appropriate reduction factor determined from the tables below. This is the method used to determine the working load limit (WLL) of a sling: minimum breaking strength of the wire rope (MBL) multiplied by the efficiency of the splice or end fittings divided by the design factor 5. Failure can cause loads Aug 6, 2024 · Steel choker rigging is a method of lifting and securing loads using steel wire rope slings that are configured in a choker hitch. A double choker hitch can also be used, which is the same as a choker except that an additional wrap is placed around the load. Untitled 2Wire Rope Slings This chart illustrates how the stress in a sling increases as the angle increases (all angles are measured from the vertical). Type 3 and 4 Type 5 ONE Vertical PLY Vertical Choker Basket Two Legged Vertical 90o 90o 90o 60o 90o Rigger Load Charts. Consult the manufacturer when planning to use an angle of choke less than 120 degrees. After reviewing these handbooks, your employees will be well-prepared to tackle any crane rigging challenge in a safe and eficient manner. Number of legs. An understanding of the capabilities and limitations of the equipment will support this. This highly useful rigging technique should only be used under the following conditions: Select rigging and sling capacity for 75% of the load. Offering multiple lengths to meet your needs. Please note that these methods only give approximate answers. HOISTING AND RIGGING PROGRAM Safety should be the first priority when performing lifting operations. Choker Hitch: A choker hitch is where the eye on one end of the sling is passed through the eye on the other end of the sling and the sling is choked around the load being picked up. Crosby recommends minimum angle of choke of 120 degrees (see Figure 1). Lift-All wire rope slings and rated capacities comply with all OSHA, ASME B30. Rule of thumb methods for calculating the SWLs of flexible steel wire rope, chain and fibre rope. Capacity/Care and Instruction tag attached. Number of parts of rope in the sling. When a sling is used in a BASKET- or CHOKER HITCH with D/d ratios smaller than listed in the capacity tables, the rated capacities (or WLLs) must be decreased. Wire rope rigging slings with fiber cores (FC) are rated at reduced capacities when compared with an equivalent size, wire choker with an independent wire rope core (IWRC). Rated load reductions for Grade 80 and Grade 100 alloy chain slings used at or after exposure to temperatures above 400 oF (204 oC) or higher are given in Table 9-1. For sling angles other than those shown, use the rated load for the next lower angle or a qualified person shall calculate the rated load. Choker hitches are the least effective way to use a sling based on capacity. Inc. pdf - Free download as PDF File (. No product can keep operating at its rated capacity indefinitely. TRIANGLE HARDWARE is used predominantly for basket hitches. Double polyester tubing for better abrasion resistance, and easier inspection CONNECTION TO FITTINGS CHOKER CAPACITY d USE A THIMBLE TO PROTECT SLING AND INCREASE D/d NEVER PLACE EYE OVER A FITTING WITH SMALLER DIAMETER OR WIDTH THAN THE ROPE’S DIAMETER. ) you place into the sling eye must not be larger than 1/2 of the sling eye length. Available in many configurations with A CHOKER HITCH HAS 75% OF THE CAPACITY OF A SINGLE LEG SLING ONLY IF THE ANGLE OF CHOKE IS 120 DEGREES OR GREATER. Wire mesh slings should be removed from service and/or Superior flexibility makes rigging easy Capacity tag confirms wire core Black color tag is inconspicuous for stage settings Maximum length for ST60 Steel-TexTM is 9 ft** core for broken wires or corrosion. Optional: Type 304 stainless steel mesh is available for use in corrosive environments. Lightweight, flexible, and relatively soft, it is suitable in applications were minimal damage to the load's surface finish is important. The object (a shackle, a crane hook, a steel bar, etc. A safer rigging practice in this scenario would be to use an Inner Wire Rope Core Steel Choker (IWRC). The need for periodic inspections cannot be overemphasized. CAPACITY DECREASES WITH ANGLE *Percent of sling’s rated capacity in a choker hitch. Connection Hardware Thickness Vertical or Choker in. Nylon Slings CHOKER & TRIANGLE TYPE Web Ply Width 10" 12" 10" 12" Vertical 3200 4800 6500 8000 9600 12400 16700 21000 5600 8400 11200 14000 16800 22400 28000 32000 Rated Capacity in Lbs. txt) or read online for free. Vision statement “Sling-Choker Manufacturing Limited shall be the preferred supplier of competitively priced quality products that are supported by a high level of integrity and service both before and after the sale” 8 Two Steel Frames When Rigging Failed The operator of an overhead crane was using a chain sling attached to the hook of the crane and was setting it up into a single choker hitch to pick up and turn over the steel frame that was lying horizontally on two sawhorses. THREE BASIC TYPES OF HITCHES • A "hitch" is what is used to attach, wrap or "reeve" a sling onto a load so that it can be raised. Feb 16, 2021 · The answer may surprise you. To determine the working load of a wire rope, the MINIMUM or NOMINAL breaking strength MUST BE REDUCED by a DESIGN FACTOR. Built for safety, this choker meets or exceeds all DOT and OSHA related regulations. Diameter around which the body of the sling is bent (D/d ratio). com Product Information, and Technical Services go to A CHOKER HITCH HAS 80% OF THE CAPACITY OF A SINGLE LEG SLING ONLY IF THE ANGLE OF CHOKE IS 120 DEGREES OR GREATER. Connection Hardware Effective Contact Width Vertical Contact Width Basket in. You always must adjust the rated capacity of the wire rope sling whenever you use a choker hitch to shift, turn or control a load, or when the pull is against the choke in a multi-leg lift. Rated capacities based on pin diameter no larger that natural eye width or less than the nominal sling diameter. download Sling_Rating_Charts_Sling_Choker. It lists nominal working load limits for different sizes of shackles, eye bolts, wire rope slings, and alloy steel chain slings. 89mm (1-1/4 x 0. Determine the angle of choke and multiply the choker hitch work load limit by the loss factor to get the reduced work load. Whenever a single sling is used in this manner, a tagline should be used to prevent load rotation which may cause damage to the sling. Represents a load in choker hitch and illustrates the rotary force on the load and/or the slippage of the rope in contact with the load. Great for a new hook on man, apprentice, or anyone needing quick access to choker strengths. When using chain slings in choker applications, the Working Load Limit must be reduced by 20%. Connection Hardware Thickness Basket in. (consult Slings shall not be shortened or lengthened be knotting or manufacturer) twisting. Sling stress applies to all types of slings. Easier rigging provided when hooking into fixed lifting points. S. When one sling leg lifts 1,000 lbs. Rated Capacities based on design factor 5:1 for Construction Ontario Chains slings. . This construction offers 93-95% wire rope efficiency. Jan 27, 2014 · Choker Hitches Choker hitches reduce lifting capability of a sling since this method of rigging affects ability of the wire rope components to adjust during the lift. 1-1. Oct 8, 2014 · The total amount of force exerted on a sling. Nylon webbing is The layout, assembly and erection of steel should be completed by responsible personnel, experienced in rigging and handling light steel members in a safe manner. It includes rated capacity tables for different sling designs made from extra improved plow steel or stainless steel wire rope. at 0o, the sling stress is also 1,000 lbs. Rigging Practices Slings shall be shortened or adjusted only by methods approved by • In a choker hitch, an angle of choke less than 120 degrees the sling manufacturer of a qualified person. 7 and 8 for various choker and sling sizes. Download our coveted Rigging Pocket Guide to have available off-hand and off-line for reference on the job site. Do not use slings made with wire rope clips in a choker hitch, Use only wire rope clips made from drop-forged steel of the single-saddle (U-bolt) or double-saddle type clip, Do not use malleable cast iron clips to fabricate slings, Refer to the clip manufacturer for spacing, number of clips, and torque values, Learn how to use choker and basket hitches correctly. Responsibility for the use and application of the products rests with the user. Download page 101-150 on PubHTML5. Wire mesh slings that are repaired are guaranteed to meet or exceed original specifications. 2 Qualified riggers Copy section link Rigging and slinging work must be done by or under the direct supervision of qualified workers familiar with the rigging to be used and with the code of signals authorized by the Board for controlling hoisting operations. NEVER PLACE A SLING EYE OVER A FITTING WITH A DIAMETER OR WIDTH GREATER THAN ONE HALF THE LENGTH OF THE EYE. This guide is the first in our series of comprehensive safety tutorials dedicated to crane rigging. Head Ofice Toll Free Numbers THE ABOVE CHART IS IN ACCORDANCE WITH ASME B30. 035in) Roughneck Wire Mesh Sling Construction - 10 Gage Standard Alloy steel end fittings are zinc plated. Description If you need a wire rope choker with thimble eyes, hooks, or something not listed please call for pricing. Under normal usage, wire mesh slings will eventually need repairs. Regular Inspections Inspect products regularly for visible damage, cracks, wear, elongation, rust, etc. Whatever your lifting requirements are, Dunlap Industrial Hardware can provide the right sling to get the job done. We offer a full line of proven wire rope slings, including single-part body, multi-part body, SuperFlex® braided slings, grommets and socket assemblies. In this article, we examine the advantages and disadvantages of wire rope slings vs chain slings, and discuss their respective benefits when performing lifts. Although it makes a nice “tight” choke around pipes and bundles of steel, remember that this practice reduces your sling capacity by more than 50%! Reduction of CHOKER Sling Capacity (WLL) Scope. Female handle (choker) is a handle with a handle eye and a slot of such dimension as to permit passage of a male handle thereby allowing the use of a metal mesh sling in a choker hitch. Choker Hitch Angles When a choke hitch is used, and the angle of choke is less than 120 degrees, the sling choker hitch capacity decreases. 15. The chart gives capacities from 3/8" choker up to 1" choker in single verical, choker, 2 leg bridle at 30, 45 and 60 degrees. MIN. For point loads exceeding 200lb (90kg)and hung by sling basket, the load must be located at or as close as possible to a transverse bar. The purpose of a hitch is to: — Support a load and keep it under control. The wire rope sling products you need. REFERENCE REFERENCE Did RATIOS These charts show reductions in working load limits when using basket type slings. Keep inspection records to help — A sling angle chart or rigging pocket guide can help you to assess these angles and select the right slings for your job. These slings have less than 1% elongation at rated capacity. When a choker hitch is used at an angle of less than 120 degrees, you must reduce the hitch’s rated capacity as shown in the chart at right. Protect all products from corrosion. A CHOKE ANGLE LESS THAN 120 DEGREES WILL RESULT IN A CAPACITY AS LOW AS 40% OF THE SINGLE LEG. The Slings Unlimited Learning Center has sling capacity charts for nylon & polyester round slings, wire rope slings, chain slings, shackles and more! Diameter of the chain contact area for choker hitches should be 10 times the chain diameter • NEVER exceed Working Load Limits Free all chains from knots and twists in sling legs before lifting • ALWAYS use protection for slings around sharp corners or edges. Everything from simple pipe chokers to multi-leg lifting apparatus. Edwards Wire Rope Slings provide the strength and sturdiness required for lifting those tough loads. RATED LOADS FOR ANGLES OF CHOKE LESS THAN 120 DEGREES SHALL BE DETERMINED BY THE SLING MFG OR A QUALIFIED PERSON. Lift-It Mfg. Since 1960, Vanguard Steel Ltd. Same and Next Day Delivery. Crosby's full catalog and product listing of the Wire Rope Sling Capacities. This guide is intended to help the user include safety in the planning and actual practice of rigging mechanical industry equipment and materials for lifting operations. to ensure prompt service. The document provides tables listing the maximum safe working loads in pounds for various types of slings made from Dacron webbing, wire rope, and fiber core wire rope. Today, Campbell industrial rigging solutions stand for strength. RIGGER REFERENCE BOOKLET This Reference Booklet has been produced and adapted from various manufacturers’ data and is for use in NCCCO written examinations. If the sling angle increases to 45o , the stress actually exerted on the sling would be 1,414 lbs. Choker - A choker hitch is accomplished by passing a sling around the load and through one eye or end fitting where it is then attached to a lifting hook. Lift-All Hoists Hoist Rings Lifting Devices Plate Clamps Load Huggers Tow Products General Information Web Slings Round Slings Sling Protection Wire Rope Chain Slings Rigging Hardware Mesh Slings Lift-All Hoists Hoist Rings Lifting Devices Plate Clamps Load Huggers Tow Products General Information Web Slings Round Slings Sling Protection Wire Rope Chain Slings Rigging Hardware Mesh Slings Wire Rope Slings For Inspection, Re-Certification, www. Proof testing and certification available upon request. 9 Standards Understanding ASME standards will help to ensure the safety of the users, help extend the service life of the slings, and help reduce loss of production due to equipment downtime. ALLOY CHAIN Did RATIOS This chart shows reductions in working load limits of a basket type alloy chain sling based on O/d ratio. The sling manufacturer should be consulted when the slings are to be used in temperatures of -40 oF (-40 oC) or below. com rigging Charts available for iphone cessary rigging capacity chart information. Diameter of curvature of load surface is at least double the diameter of the rope. ,909-469-2251,manufacturer and safety training provider to the industrial lifting sling and rigging industries for over 30 years. Diameter of the pin (or hook) over which the eye of the sling is rigged. Always refer to the correct rigging information chart Identify the type of Hitch to be used (Choker, Vertical or Basket) Connect the load ensuring that the sling angle is appropriate to the capacity of the slings used. With the largest full service rigging facilities on the West Coast, in 3 locations to serve you our staff has the capability to meet all your rigging needs from small cable assemblies and rail-ing systems to large slings and crane wires. Also included in the charts are screw pin shackles 60 minutes These 10 questions are for you to use to help get ready for the load chart and rigging part of the CraneSafe Level A Certification assessment for Mobile Hydraulic Crane. Wire Rope Types & Specifications We stock all types of wire rope for every application from a truck winch or a pipe choker to a tugboat towing wire or Crane Rigging. In addition to performing calculations, rigging professionals use mathematics to understand the underlying relationships in rigging operations. Full rated lifting capacity of the sling may be utilized, but must not be exceeded. This technique is widely used in industries such as construction, shipping, and heavy manufacturing, where strong and durable rigging solutions are essential for handling heavy and irregularly shaped loads. They are approximately 10% of the weight of a steel sling and are repairable. lifting. Connection Hardware Effective Code Color Code MIN. The tables include data for different sling configurations like single vertical hitch, single choker hitch, basket hitch, and Do not exceed rated capacities. Jul 15, 2010 · SWL charts are available for all types of slings and rope. 7 x . Read and Follow These warnings and instructions are applicable to alloy chain slings produced from Crosby Grade 8 (80) and Grade 10 (100) chain and components. Campbell industrial fittings are closed-die drop-forged for superior strength and performance, and all alloy lifting chains and associated alloy chain fittings are 100% load-tested to at least 2X the working load The sling cradles the load while both ends are at-tached overhead. 9 SPECIFICATIONS Toll Free Phone: 1-888-779-8898 - Toll Free Fax: 1-800-354-8705 WARNING: Read warnings and use limitations before rigging. 9, and Wire Rope Technical Board publications. Rated capacities basket hitch based on d/d ratio of 25. Failure to properly account for sling tension is the most common rigging mistake I’ve seen construction professionals make over the years. Periodic inspec-tions help determine when to replace a product and reduce rigging hazards. Mesh is 10 gage galvanized high tensile steel (12 gage upon request). As with the choker hitch, more than one sling rigged in a basket hitch (or some other means) may be necessary to help ensure load control. Load stability and balance can be achieved by spreading sling legs in a basket or choker hitch. The safety policy “lf It‘s Not Safe, Don‘t Do It” is important not only for your safety, but the safety of your coworkers. Never exceed working load limits. Explore our extensive range of products: find everything you need in one place. 9 and NACM standards and regulations Lift-All chain slings, available in grade 100 for 7/32" through 3/4", and grade 80 for 7/8" up to 1-1/4" are recommended for rugged industrial applications in harsh environments where flexibility, abrasion resistance, and long life are required. May 21, 2023 · Our wire rope sling with sliding choker features a thimbled eye on the sling end that attaches to the hook; this helps prevent abrasions and general wear on the sling eye, which lengthens the working lift of the sling. See Figs. The design factor will vary depending upon the type of machine and installation, and the work permitted. A choker is used when the load will not be seriously damaged by the sling body — or the sling damaged by the load — and when the lift requires the sling to snug up against the W I R E R The listed capacities of wire rope slings & assemblies in this catalog are based on the industry standard of a 5 to 1 design factor. Free Shipping on orders $199+ The angle of the sling can reduce the capacity of all the rigging due to sling tension. Choose from our selection of chokers, including wire rope slings, flat-eye web slings, and more. Our 3/4 inch Wire Rope Sling Chokers are pre-made, tagged and certified. The types of slings covered are those made from alloy steel chain, wire rope, metal mesh, natural or synthetic fiber rope (conventional three strand construction), and synthetic web (nylon, polyester, and polypropylene). Lifting and Rigging Supplies | Wire Rope Supplier | Kennedy Choker hitch double wrapped (Fig-5) : The general limitations for this sling method is similar with simple choker hitch, except that with the double wrapped choker hitch the load is gripped more fully, and hence is secured more effectively. Buy Now! Tri-Flex® Wire Rope Slings offer strength, flexibility, and cost savings—ideal for heavy lifting, steel erection, and machinery moving applications. This arrangement provides the most effective choker hitch. West Coast Wire Rope has served the construction, marine, logging and OEM markets for the past 40 years. Chokers are often used to wrap around the object to be lifted and are usually fastened to the underside of the lifting beam by means of shackles. The chart below shows the capacity reduction of a sling used in a choker hitch. Safety Factor 5:1 MIN. Here are the formulas and charts that will make it easier to decide how to proceed. Learn how to safely and efficiently select, install, inspect, maintain, operate and repair an easy-to-follow guide covering all that you need to know about wire rope slings. We custom manufacture all types of wire rope slings. A CHAIN CHOKER HITCH HAS 80% OF THE CAPACITY OF A SINGLE LEG SLING ONLY IF THE ANGLE OF CHOKE IS 120 DEGREES OR GREATER. Make sure that you consult the correct chart before lifting. Five Lift-All factories are strategically located in the U. Type of hitch (straight pull, choker hitch or basket hitch). Fulcrum Lifting is dedicated to delivering top-line quality products, providing superior product knowledge and industry-specific services. The rescuer's knowledge of rigging equipment and its basic application will enhance the ability of the heavy equipment to perform. A safe rigging operation requires the rigger to know • the weight of the load and rigging hardware • the capacity of the hoisting device • the working load limit of the hoisting rope, slings, and hardware. Used in the construction industry and other industries where heavy loads rugged conditions exist. The document provides specifications for various rigging equipment including their load ratings. View all PDF’s here. If Crosby A-1338 Cradle Grab hooks are used at the Figure 1 minimum angle of choke of 120 degrees, the full sling rated WLL can be utilized Wire Rope Slings are the most common and lowest cost per ton of lift of all slings. It also provides instructions on how to calculate load distribution when using multiple-leg slings and lists weights of various common materials to aid in load calculations. Design factor (5 is standard). Any product will fail if it is abused, misapplied, worn out, or improperly maintained. Over the decades, thousands of tough applications and just as many demanding customers have forged the Campbell brand. Rated capacities based on design factor of 5. OSHA required annual inspections can be performed by Lift Extreme temperatures may reduce the performance of alloy steel chain slings. RATED CAPACITIES SHOWN APPLY ONLY TO 6X19 AND 6X37 CLASSIFICATION WIRE ROPE. 4%. This includes forces added as a result of sling angle. The equipment used for lifting and moving loads is also called rigging. Scope. pdfdetails about Sling_Rating_Charts_Sling_Choker. , a sister Company of Ringball Corporation, has been supplying specialty steels and steel products to North American Industries. For example, choosing a flat webbed nylon sling to hoist a steel beam with sharp edges could result in the rigging getting cut and dropping the load. The following formulas and charts are excerpted from the ATM Fly-Ware Riggermeister Production Rigging Guide. pdf Capacity charts for most slings manufactured by Liftex. Refer to the chain chart on this page and the Efect of Angle chart in the General Information section of this catalog. As an example, a horizontal sling angle of 30º will increase the tension factor by 2 times therefore doubling the weight felt by the sling and all related rigging. Read the flipbook version of Structural Steel Erection Reference Manual. SLING LIFTING CAPACITIES ARE AFFECTED BY ANGLE OF LIFT (ROUND SLING TO LOAD ANGLE) MEASURED FROM THE HORIZONTAL, WHEN USED WITH MULTI-LEGGED ROUND SLINGS OR CHOKER/BASKET HITCHES. Provider of high-quality and reliable wire rope rigging, ESCO® stainless steel swage sleeves are available in one-piece duplex, two-piece duplex… This document provides specifications for various wire rope sling configurations including single and multi-leg slings. should not be used without reducing the rated load. Browse Sliding Choker Wire Rope Slings in Wire Rope Lifting Slings at Rigging Warehouse. Lift-All chain slings meet or exceed all OSHA, ASME B30. The purpose of this document is to discuss the requirements for planning and performing an incidental lift using an overhead crane and commonly available rigging components The RIGGING HANDBOOK is a clear, illustrated refer- ence source for rigging professionals, crane operators, and others that perform rigging and hoisting operations. Refer to the handout accompanying this toolbox talk for general examples (not to be used in The choker hitch increases the tension in the sling depending on the choke angle, . 8. The capacities of specific rigging components must be verified by the user. One choker in the center of the load may create an unbalanced situation, which could lead to Slings used in a basket hitch must have the load balanced to prevent slippage and accidents. Call us! Weir ESCO provides a wide variety of premium quality ferrules for wire rope rigging, including cast Screwy™ choker ferrules, Screwy™ drumline ferrules, machined choker ferrules and end fittings, wedge-type ferrules and zinc ferrules. In some trades it became practice to use 2 slings in a choker configuration at less than 30 degrees with the choke points facing each other. Capacities for each method of rigging are typically included on the sling manufacturer’s charts, or on the tag attached to a sling. Information for ESCO® rigging products All ESCO rigging products are sold with the express understanding that the purchaser is thoroughly familiar with the correct application and safe use of the product. ADVANCED RIGGING PRINCIPLES TRAINING COURSE STUDENT WORKBOOK ADVANCED RIGGING PRINCIPLES TRAINING COURSE STUDENT WORKBOOK ADVANCED RIGGING PRINCIPLES TRAINING COURSE WIRE MESH SLINGS Widely used in metalworking shops and steel warehouses where loads are abrasive, hot or tend to cut web slings. Portions of this section of the catalog were taken from the Wire Rope Sling User’s Manual with the permission of the Wire Rope Technical Board and the American Iron and Steel Institute. Choker Hitch Capacities When the 120o, pull on a choker hitch results in an angle of less than the work load limit must be adjusted. See Crosby's vast product selection of chain and accessories - including hooks, bails, links, tags, binders and more - perfect for the rigging and lifting industries. THE RIGGING MUST BE USED WITHIN MANUFACTURER’S RECOMMENDATIONS AND INDUSTRY STANDARDS THAT INCLUDE OSHA, ASME, ANSI, API AND OTHERS. A CHOKE ANGLE LESS THAN 120 DEGREES CAN RESULT IN A CAPACITY AS LOW AS 40% OF THE SINGLE LEG. Achieves higher capacities at a lower cost. > SLINGS BASIC HITCHES Web/ Round Sling (endless) 120 reater +/- 50 VERTICAL Chain Sling CHOKER Wire Rope/ Web Sling (eye 8 eye) Sling tags and chart working load limits are based on the angle of choke to be 1 200 or higher +/- 50 BASKET Working load limit is based on both legs being within 50 of vertical. If you need a 2-leg bridle, 3-leg bridle or 4-leg bridle please call for pricing. Jun 11, 2019 · Panels 5 & 5A of the User's Guide For Lifting cover Wire Rope Capacities (EIP & EEIP). Twin-Path slings are used worldwide in place of steel rigging for heavy lifts. Sling capacity decreases as the angle from horizontal decreases. Endless Wire Rope Slings Made from one 6X19 or 6X37 EIPS IWRC wire rope, mechanically joined with steel sleeves. Every chart in the app includes the th ee basic hitches and their load capacities. ' Choker 2550 3800 5200 6400 7650 9900 Every Lift Uses 1 of 3 Basic Hitches STRAIGHT OR VERTICAL, attachment, is simply using a sling to connect a lifting hook to a load. Discover the convenience of shopping for all your needs in our wide selection. The tables provide capacity ratings in tons for vertical, choker, and basket configurations at various sling angles based on the rope diameter and May 9, 2020 · 121285768 published Structural Steel Erection Reference Manual on 2020-05-09. zfpgmde ytpbll eynvnx lbkkpxou cup cikfocag znrp ctcihjc zsnnntwr twdde