"An industrial business with a very important growth potential for the next decade." That's the wind energy as described by Ivan Brems of gear manufacturer Hansen Transmissions International.
Aerospace manufacturing has seen quite a turnaround in the past few years. The world's manufacturers of airplanes, helicopters, missiles, space vehicles and satellites are all extremely busy right now--and that's keeping quite a few gear manufacturers busy as well.
Dana Corp. is developing a process that carburizes a straight bevel gear to a carbon content of 0.8% in 60 fewer minutes than atmosphere carburizing did with an identical straight bevel.
This article reviews mathematical models for individual components associated with power losses, such as windage, churning, sliding and rolling friction losses.