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P&H Electric Rope Shovel Parts Overview by César Rodrigo Puentes Arriagada is a document available to read on EtoBox.
What is P&H Electric Rope Shovel Parts Overview about?
The document discusses Hofmann improved parts for P&H rope shovels, including swing transmissions, swing shafts, and swing gear assemblies. It identifies problems with the original equipment manufacturer designs, such as loss of bearing preload and fatigue cracking. The Hofmann solutions provide upgraded materials, precision machining, positive stops to maintain bearing preload, replaceable thrust rails to reduce wear, and tapered joints to prevent separation forces.
- Author
- César Rodrigo Puentes Arriagada
- Language
- EN