Part 1: Powder metallurgy, in use since 3,000 B.C., gains additional prominence in gear manufacturing...
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: Giles Gaskell
I understand that you studied mechanical engineering. What led you to metrology?
Once I’d graduated from the University of Aston in Birmingham, England, I actually...
AGMA Events: American Gear Manufacturers Association
Letter from the Vice President, Technical Division
Advancing gear science is the foundation of the AGMA, and the technical excellence in the industry is on...
Terry McDonald: Site Safety
Like me, maybe you’ve been driving down the interstate and have noticed a car ahead of you weaving in and out of traffic in...
Wide variety of inspection techniques available depending on what you’re checking, checking for
Chemical etch inspection is a standardized procedure for the detection and classification of localized overheating on ground surfaces. Damage may commence with the partial...
Q&A: Peter Eelman
Tell us about your own background with IMTS.
This marks my 30th year of involvement with IMTS, or my 15th show since it’s held every...
Terry McDonald: Site Safety
I’ve been thinking about ways that we can simplify our safety systems and procedures. What made me think about this was a conversation I...
What is the true definition of “surface finish” — and how can the extremes...
The term “surface texture” is used to describe the deviations from what is considered as a nominally perfectly smooth surface. The term can be...
Q&A with Trace Hill
Tell us how you came to found the company.
In the early days we were just doing subcontract work, taking on anything we could handle...
Terry McDonald: Site Safety
As welcome as warm summer days are—especially after such a long, cold winter—the heat will soon rise to uncomfortable levels, tempting those working in...
Despite excellent design and manufacture, if a gear’s hardness doesn’t meet the requirements of...
Critical to a gear’s performance are the flank hardness its depth and the tooth’s core hardness. The tooth flank hardness can be defined as...
Chris Chlon: Buy Laws
Every buyer has them, as does every seller. No one likes them, but they are tolerated. Doing business without them can be very risky,...
Q&A with Georg Bartosch
Tell us about your background, and how you came to found the company.
I was born in the Czech Republic and earned a master’s degree...
Q&A with Jeff Barnes
You worked on Fellows equipment for a long time before you started selling it, didn’t you?
Yes, I did. I went to work for...
Terry McDonald: Site Safety
It’s been awhile since we discussed the safety issues surrounding cutters, blank parts, and cut parts. There are a number of potential dangers involving...
Depending on the material being tested, attributes and qualities to be determined, there are...
Material tests should be representative of the complete gear. For example, a test on a separately cast bar of the same material can differ...
Terry McDonald: Site Safety
How do you investigate safety violations and incidents? Is there a formal procedure in place that defines the steps that must be taken when...
Quality gears, other components are the product of many different factors. But it all...
Probably the most critical aspect of inspection is making sure the part has been produced as specified and is flawless. The detail of this...
Q&A with Ron Bullock
Bison is celebrating its 50th year. Tell us about its background and how you came to man the helm.
The company was founded in 1960...
Terry McDonald: Site Safety
We’ve all dealt with employees who have a “bad attitude.” You’d like to weed out such people before you bring them onboard, of course,...
