Gen3 - Attachments - Shovel Density Ratings (Materials)

Gen3 - Attachments - Shovel Density Ratings (Materials)

Notes
Density rating is the amount of material a shovel attachment can hold in relation to capacity of the shovel and the material density.
The density rating figure will help to determine which shovel to use for a particular material.
A density rating of 100kg/m3 means that the density of the material to be handled can be a maximum of 100kg/m3 for the loader-shovel combination being used.

Density rating is calculated by dividing the loader’s operating capacity by the shovel capacity.
1. To determine the correct sized shovel for the machine and application you need to carry out the loading calculation. This will ensure safe machine operation.
2. To do this, determine the material being used and from the table below, use the listed material density (kg/m3 ).
3. Multiply the required capacity of the shovel by the material density to get an overall mass of material. Add weight of shovel to that mass to get a total operating mass.
4. Ensure that the mass is within the recommended quantity capacity or SWL of machine.

Example
Using a 60'' GP Shovel.
Heaped capacity = 0.37m3
Loading dry loose gravel with a material density of approximately 1602 kg/m3
1602 kg/m3 x 0.37m3 = 593kg + weight of the shovel
or earth/sand/gravel density = 1750 kg/m3
1750kg/m3 x 0.37m3 = 647.5kg + weight of the shovel.
Info
This shovel is matched to the material density and the capacity of a 165 Robot Loader. Recommended Operating Capacity = 650kg
For lighter materials larger shovels can be used.

See Material Weights below, for material density ratings




Table Source: JCB Attachments for midrange machines

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