Coatings are important. Here’s how they came about, and how they fit into the...
On August 12, 1902, Professor Thurston patented “a method for carrying out the process of coating one metal with another.” A further advance was...
Terry McDonald:Site Safety
Should we wave, salute, or maybe just ignore making any formal gesture when greeting customers, friends, and our fellow workers? If you listen to...
Q&A with Justin McCarthy
You joined Ajax in February of this year. Has it been a challenging transition?
The hardest part involved deciding whether to leave a job that...
Terry McDonald: Site Safety
Is it possible to have too much safety in our workplaces? The right question might be, Is it even reasonable to consider such a...
Case depth can be considered the foundation for tooth strength
Specifications for carburized gearing of necessity pay attention to the required surface hardness. Not to be ignored, due to equal importance, is the case...
Q&A with Robert Sakuta
You’re also president of Delta Research. When did you purchase Tifco, and why?
Delta was founded in 1952, and over the years its main focus...
Terry McDonald: Site Safety
I’ve been thinking lately about the necessary protective footwear that should be worn in a gear manufacturing environment. I suppose that the reason...
Evaluating and defining hardness, and the evolution of testing methods
Hardness is not a single, clearly defined, physically changeable value, but a complex combination of diverse concepts. In gears we need to know surface...
Q&A with Tom Treuden
Employee retention is more important than ever before. How is your relationship with the company’s employees structured?
We have about 50 employees, and I spend...
Chris Chlon: Buy Laws
Purchasing machinery for cutting gears is an expensive undertaking. In many instances the price tag for a new broaching or honing machine is over...
Q&A with Stephen Korosec
Why should people come to you to have their hobs sharpened?
Because we’ve specialized in hob sharpening for more than 20 years, and we have...
Terry McDonald: Site Safety
I don’t know how many times I have been told “my boss (management) wants us to be safe, but will not allow us to...
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...



































