Part 2: Epicyclic gearing — when it works, where it doesn’t, and why that...
The application range of epicyclic gearing has now become unlimited. As an example, shuttle astronauts were required to break loose some large bolts on...
Terry McDonald:Site Safety
I’ve got a question for you: Was GEAR EXPO what you expected? Did you use any of your time there to explore safety issues?...
Part 1: Epicyclic gearing — when it works, where it doesn’t, and why that...
A dictionary description of epicyclic gearing is as follows: “A system of gears in which one or more gears travel around the inside or...
Q&A with Scott Lynch
When was the organization founded, and who was involved?
The first meeting of the American Bearing Manufacturers Association was held in 1917 in New York...
Terry McDonald: Site Safety
I’ve got a question for you: Was GEAR EXPO what you expected? Did you use any of your time there to explore safety...
‘Sounds’ can be good, such as the hum of a well-designed gearbox. It’s ‘noise’...
Many seminars and papers are conducted and written under the title of “gear noise” when the full subject is sound. Sounds can be pleasant,...
Q&A with Peter Paulin
Tell us a little about your background and how you came to launch the company.
I’m a graduate of Embry–Riddle Aeronautical University, which is sometimes...
Q&A with Kurt Medert
We thoroughly enjoyed GEAR EXPO 2007, and everyone I spoke with felt the same way. How do the numbers look?
All of the numbers, in...
Terry McDonald: Site Safety
Well, it’s finally here—GEAR EXPO! This is the premier show for our industry, and I hope that you are planning to attend. I will...
Adhesive wear caused by fusing of the parts in contact, and even shearing, is...
The basis for a major part of gear research is the study of the wear phenomena, especially between two metal rubbing surfaces. Wear is...
Q&A with George Shturtz
I understand that the MPP Ford Road Division is the company’s gear specialist. Tell us a little about its history and capabilities.
MPP Ford Road...
Terry McDonald: Site Safety
A common mistake is to relate surface hardness to wear resistance. Other factors are also involved, such as ductility; the balance of free carbides...
Abrasive wear is a much more complicated condition than it first seems
A common mistake is to relate surface hardness to wear resistance. Other factors are also involved, such as ductility; the balance of free carbides...
Q&A with Paul Mason
I understand that the company has its roots in academia.
That’s true. The Thermo-Calc software package was originally developed by a member of the faculty...
Q&A with Tom Forsyth
Give us a snapshot of Dayton Machine Tool.
The company was founded 58 years ago in 1949, specifically to rebuild machine tools. This was just...
Terry McDonald: Site Safety
In this issue of the magazine there is a special section devoted to GEAR EXPO. This, as we know, is the leading event for...
Electrical erosion is a factor to take into account when conducting a failure analysis
With the rapid advance in gear technology, new hitherto unforeseen failures can occur, and typical among them are failures due to electrical discharge. Such...
Terry McDonald: Site Safety
I recently read an interesting article titled “Puncturing the Myth of World Class Safety.” It appeared in Industrial Safety & Hygiene News, and it...
Tooth cracks are often found to be a culprit when conducting a complete failure...
Cracks originating in the surface of the tooth flank are due to Hertzian stressing at a depth relative to the maximum Hertz shear stress....
Q&A with Jason Kupkovits
When was Therm-Tech founded, and by whom?
Charles Wiberg founded the company in 1982, and although he’s now retired he still sits on the board...
