What happens to an engine when it is exercised without a load, or is allowed to exceed the manufacturer’s recommended delay for a cool-down after shedding its load? Detailing the undesirable ...

Can a ball screw with a reasonable amount of preload but no outside thrust last forever? Eschatological considerations aside, it's not likely. The balls still have to resist the internal, preload ...

Engineers working with ball screws usually use conventional life-expectancy equations for nuts with two-point contact. When it comes to four-point contact nuts, however, many manufacturers that sell ...

Estimating how long a piece of equipment will last in an application is critical information in the specification process. This step-by-step guide examines how to estimate the life of electric ...

As covered in my previous blog post, all diesel-powered generators should be loaded to at least 30% of their standby nameplate rating when exercised during their monthly test. If the connected load ...