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A Design Study in Steel - Spokane Industries Steel Snubber Arm

Snubber Arm -- Application

 Electric mining shovels are engineering vehicles used for the excavation and removal of overburden and ore in open-cut surface mining operations. These electric power shovels are the modern equivalent of steam shovels and operate in a similar fashion.

The mining shovels have five major components - 

  • a revolving deck with a power plant

  • a front boom or crane which supports a handle with a dipper/bucket at the end

  • a base platform with tracks or wheels 

  • a driving and control system 

  • and usually a counterweight. 

The shovel electric systems (with multiple electric motors for hoist, swing, crowd, and propel) have power requirements as high as 3750 kVA . 

Electric Mining Shovel

These shovels are the work horses in modern surface mining around the world.

 

Copyright 2011  by the Steel Founders' Society of America   All rights reserved. 
Address comments to: blairr@sfsa.org
Last Modified:August, 2011 by STG

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In cooperation with
Spokane Industries - Steel Castings Division