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D'Angelo International

Auto-lube Upgrade for Mill Rebuild

D'Angelo International rebuilds and refurbishes heavy equipment for the mining industry. They were in the process of rebuilding this rod mill for a customer.


The two large trunnion bearings were previously lubricated with grease blocks, which were placed in a box at the top of each bearing. Also, the pinion shaft bearings and drive gear were greased periodically at the zerks with a grease gun.

The customer was interested in upgrading to an auto-lubing system to save on maintenance time and increase reliability.

Working with Lubrication Engineers technical team, we designed and built two auto-lube systems. One for the trunnion bearings, and one for the pinion/drive gear assembly. LE lubricants were also utilized.


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