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
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...
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...
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...
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
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...
Terry McDonald: Site Safety
Go Team! This is the time of year when teams are very much in our thinking. How is our favorite professional baseball team shaping...
When things go wrong, conducting a detailed failure analysis is the best way to...
A gear designer must consider the most economical solution that will avoid failure within the design life. The usual result will be a gear...
Q&A with Ed Steiner, Jr
GS: This year marks your company’s 60th anniversary. Tell us about its founding.
ES: My father was an engineer who worked at aircraft plants...
Terry McDonald: Site Safety
Well, here we are again, it’s springtime. As I write this column—which was composed in early April, by the way—I am looking out the...
Shot peening offers benefits to gears, including added strength, reduced surface fatigue
In the 11th century, every combatant carried a sword. Swords were thick and heavy to prevent breakage, making them unwieldy in battle. Those who...
Q&A with Russ Nagy
GS: You joined the company in February. What attracted you to the position?
RN: I had worked with the president of Eldec U.S.A. years ago...
Terry McDonald: Site Safety
Well, it’s that time of year again… and no, I don’t mean April 15. Even though this is indeed that unfortunate time of year...
As progress in the design of globoidal worm drives continues, let’s check out history,...
ISO defines a globoidal worm drive as: “A gear whose flanks are capable of line contact with those of an enveloping worm, when meshed...
