Terry McDonald: Site Safety
Do you put safety first in your workplace? Are you a safety conscious person… and I mean really safety conscious? I don’t know anyone...
Terry McDonald: Site Safety
I recently was going through some old paperwork I’ve accumulated over the years and found a newsletter published in May 1974 by my old...
Part 1: Don’t compromise a quality gearbox by scrimping on seals and filters
The gear unit designer pays careful attention to the housing, gears, bearings, and lubrication, but quite frequently the seals and filters are an afterthought....
Q&A with Dan Herring
Tell us about your background that led you to become “The Heat Treat Doctor.”
I graduated with a bachelor’s degree in metallurgy from the University...
Terry McDonald: Site Safety
It has been quite a while since I discussed signs in this column, and there have been changes and updates since that time. You...
Understanding powder metal materials’ past will give you appreciation for current applications
Powder metal technology is older than that of cast iron. Although the use of powder metals has been in existence since 3,000 B.C., and...
Q&A with Dan Tweed Jr.
Your father passed away recently, and when we profiled Carnes-Miller Gear in the first issue of the magazine five years ago I recall you...
Chris Chlon: Buy Laws
Consider the following scenario: A manufacturing engineer has been working on a new project, bids have been received, evaluated, negotiated, and the supplier tentatively...
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...
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...
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...
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...
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...
