Rigging strap chart The second chart covers sling tensions and load angles.
Rigging strap chart. (e) Rated load based on pin diameter no larger than natural eye width or less than the nominal sling diameter. TO DETERMINE THE ACTUAL CAPACITY AT A GIVEN ANGLE OF LIFT, MULTIPLY THE ORIGINAL SLING RATING BY THE APPROPRIATE ANGLE FACTOR SHOWN. Jul 12, 2021 · Below are two Rigging Wall Charts from Lifting Gear Hire. The first chart covers some basic Center or Gravity and Weight of Material. Capacity charts for most slings manufactured by Liftex. Same and Next Day Delivery. . A 60º equilateral triangle has three equal sides making it a quick and easy reference point for estimating your sling angle. e. You can use the chart below to calculate tension factors. If appropriate overhead clearance is available, most riggers use a 60º equilateral triangle as a benchmark angle. Our helpful spreadsheets will calculate the basic sling leg lengths and suggest some top-selling standard sling types and sizes to meet your capacity. Some good quick tips and information for rigging and lifting. Critical lifts are not routine lifts and require considerable professional expertise in lifting equipment, operation of the equipment, rigging, and critical lift planning. This page provides essential rigging charts, load calculations, and guidelines for fundamental rigging operations. Each operates on a different principle, and each has its own advantages and disadvantages to consider during the selection process. RIGGER REFERENCE BOOKLET This Reference Booklet has been produced and adapted from various manufacturers’ data and is for use in NCCCO written examinations. — two slings or one sling in a basket attached to only one crane hook), sling EFFECTS OF SLING ANGLES 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. Oct 4, 2022 · Learn more about the different styles of nylon lifting slings, the benefits of using a sling made from nylon, and sling protection. Most web slings are available from 1 ply and up to 4 plies in different configurations. There are 3 common types of hand-operated chain hoists used in rigging, shown below. Choose from our selection of rigging straps, including flat-eye web slings, round slings, and more. The second chart covers sling tensions and load angles. Slings for the industrial lifting and rigging industries from industry leader Lift-It Manufacturing Company, Inc. Call us at 909-469-2251 for all of your industrial lifting sling needs. Download our coveted Rigging Pocket Guide to have available off-hand and off-line for reference on the job site. Slings also can be used at 45° or 30°, but for most of the lifts, 60° is the baseline sling angle that riggers want to use. Basic rigging safety for routine lifts in mechanical construction and service industry applications are covered in this guide. Endless polyester and nylon sling straps are also referred to as continuous loop slings. (f) For choker hitch, the angle of choke is 120 deg or greater. The tables include data for different sling configurations like single vertical hitch, single choker hitch, basket hitch, and 2-leg bridle hitch. Rated loads based on minimum D/d ratio of 25/1. Aug 15, 2024 · To determine the minimum rated capacity for your choker hitch, the American Society of Mechanical Engineers (ASME) and the Web Sling & Tie Down Association (WSTDA) put together charts where a specific range of sling angles correspond to the appropriate reduction factor. This chart shows the relationship between sling angle, reduction factor, and tension factor. Spider Sleeve prevents jacket damage when slings are tightly choked, facilitates easy release after choking, and avoids bursting when rigging on tight or narrow hardware. Rigger Load Charts PDF 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. Lifting and rigging specialists tend to prefer 60° angles. Plies and Sling Width The ply number of a web sling refers to the layers of webbing that make up the body of the sling. Jul 26, 2023 · In the lifting and rigging industry, you want to make sure the angle is at least 30° or more. Refer to the maximum recommended weight for which the sling is to be used in one of the standard types of lifts as illustrated: Effect of Angle When slings are used at an angle (i. Nylon Slings TECHNICAL INFORMATION Rated Capacity The rated capacities of the nylon slings in this catalog are given in pounds. Perfect for beginners and as a refresher for experienced professionals. When a multi-leg sling is tagged, it is tagged for 60°. bufjnznvxuahtvugtbcvabhujshsrumcpxkfzzgsftukznwxqov