Machinery Lubrication September 2004

Hydraulic pumps convert mechanical energy into hydraulic energy. A high-performance piston pump can convert mechanical energy into hydraulic energy with an efficiency of 92 percent. If the pump...

The customers in my shop, as well as many readers of Machinery Lubrication magazine have asked for guidance when deciding whether to use petroleum (mineral-based) or synthetic oil in their...

Early theories assumed that metal-to-metal contact was the mechanism that transmitted force in rolling contact, with the lubricant acting primarily as a coolant. But experimental measurements of...

Service stations, fleet maintenance facilities and quick-lube businesses that generate and handle used oil need to know the “good housekeeping” requirements for used oil handlers. This article...

Natural gas engines (NGE) are commonly used to power natural gas compressors, standby electric generators, fire water and irrigation pumps and are increasingly being used to power primary...

This article summarizes the author’s findings on wear in rolling element bearings and gears. The work disovered that surface cracks can result in pitting only; subsurface cracks result in spalling;...

A lot can happen to the oil between bulk delivery and dispensing to the machine application. Employing some general recommended practices for the storage and handling of bulk lubricants can …