Part one of the different types of worm gears and how useful they are...
Principle: A machine’s practical mechanical advantage is defined as the ratio of the force expended by the machine to overcome a resistance to the...
We need a nitriding process combining speed and control of plasma, without the degree...
In the last four weeks my work has taken me to Austria, Slovakia, Wiesbaden, Germany, Russia, and Cincinnati, Ohio, all having to do with...
Q&A with Pat Nugent
I understand that your parent company, the Mahr Group, is celebrating its 150th anniversary this year. Tell us a little about its history.
Carl...
Q&A with Doug Fozo
How did you come to join Schafer Gear Works, leading to your new role with South Bend Gear?
It’s interesting, I’d gone to work as...
Thinking of bringing heat-treat process in-house? Benefits exist, but there are many factors to...
“Show me the money!” Rod Tidwell challenged Jerry Maguire with that line in the movie of the same name, and it’s also the comeback...
Q&A with Dan Goodman
Surface Combustion has played a central role in the growth and evolution of thermal processing. Tell us a little about its history.
The company was...
Terry McDonald: Site Safety
Whether you’re reading this column while attending Gear Expo or after you’ve returned, I hope this year’s event has proven to be a productive...
Concluding the discussion of the history, applications, and attributes of different types of castings...
Continuing our conversation on different types of castings and related treatments, let’s turn our attention to bronze treatments. The heat treatment of a gear...
Terry McDonald: Site Safety
What is the most difficult task that a safety professional faces in their position? I am sure that I could ask 100 different safety...
The casting process, Part 2: Die casting, vacuum casting, and the various properties of...
Die casting is a large production method for castings that weigh less than 100 pounds. The two most popular methods are gravity-die and pressure-die....
Heat treaters of old were onto something heating and cooling in steps to reduce...
Maybe our grandfathers had it right after all when it comes to controlling distortion in heat treating. Before there was X-ray defraction, Computational Fluid...
Q&A with Edward Youdell
Congratulations on being named the new president and CEO of FMA. Tell us a little about your background.
Thank you. First of all I’d like...
Terry McDonald: Site Safety
Gear Expo is fast approaching. This is the time to network with your peers on safety issues, as well as the many other issues...
William Crosher: Tooth Tips
Consider iron castings. This form of metal casting, which involves pouring molten metal into a mold until it solidifies, is an ancient process. Early...
Heat treating has evolved, but all involved must still choose the most cost effective...
Look around you sometime. Whether you’re in a car driving to work or shopping in a mall, metal is everywhere. Dental tools are made...
Q&A with Steve Prahalis
The imX team has basically created a new paradigm, in terms of the traditional tradeshow experience. Could you explain your reasoning?
I’d be glad to....
Terry McDonald: Site Safety
We are approaching—if we’re not already into—the hottest and most humid time of the year. The vast majority of gear shops that I have...
Hobs and hobbing, Part 3: The results of research into materials and processes that...
Hobs have continued to develop over the last 150 years, but it was not until the 1980s that major advances in design and materials...
Transporting carburizing media to the target
In last month’s column I touched on some aspects of atmosphere and vacuum carburizing furnaces. The following is a comparison of the physical relationship...
Q&A with Ken Woodbine
I know that Wilcox Associates developed the PC-DMIS measurement and inspection software that serves as the interface of many metrology devices currently on the...
