Crane lift calculator xls software#
Others can have digital displays right on the device itself, and some even work with handheld digital devices or computer software to send the readout to an operator who may be performing remote monitoring and diagnostics of the crane equipment.Īnother type of load cell device is a load shackle, which is essentially a fully-rated lifting shackle with integrated electronics and microprocessors to determine the weight of a load once lifted into the air. Some are mechanical with an analog display that utilizes a needle and dial-similar to how many bathroom or medical scales operate. These devices can display the measured weight of the load in a variety of ways. The load is then attached to the load cell and the load cell calculates the weight of the load by measuring the force being applied to it using a strain gauge, or hydraulic or pneumatic pressure inside the device. These devices, called load cells or dynamometers, are mounted in line with the crane hook, slings, and hardware. The table below can be used for approximate weight values of common loads and materials:Īdditionally, other devices can be included in the rigging that will provide the operator with a read-out and determination of the load weight when it’s lifted slightly off of the ground. Step 2: Determine the Material You’ll Be Lifting Or, break the object into two or smaller rectangles and then calculate the weight of each part and add them together. Hollow Cylinder: Volume = 3.14 x Length x Wall Thickness x (Diameter – Wall Thickness)Ĭomplex Shapes: In some instances, imagine the whole object is enclosed in a rectangle and then calculate the volume of that rectangle.
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Rectangle/Square: Volume = Length x Width x Height In this section, we’ll provide you with some basic calculations for calculating the weight of different sized loads of varying material types. If no load weight information has been provided, then you will need to do some calculations to determine the weight of the load you are going to lift.
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There are many different ways you can easily identify the weight of a load without doing any type of calculations or using specially-engineered load cells or dynamometers. Simple Methods to Determine the Weight of a Load There are a variety of different methods you can use to determine the weight of the load, which we will cover in more depth. Shackles, hoist rings, and other hardware.The total weight of the load must account for every piece of lifting gear involved in the lift, including the hook and everything else below:
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Type of lifting slings, rigging hardware, and/or below-the-hook devices being used.Equipment/type of crane being used for the lift.This should be determined in the early planning stages of a lift, as everything else about the overhead lift will need to account for the weight of the load, including:
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One of the very first things you should do prior to lifting a load determines the total weight of the load.