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What do you do? I sell gears!

This year, my 11-year-old daughter asked me to be one of the parents who presented their profession on career day. She is very proud...

Selecting media for optimum vibe bowl gear finishing

The second in our multi-part series on vibratory processing of gears is focused on the selection of media that will be used to improve...

Q&A with T.J. Boudreau

What’s a typical day like for you at Weiler? I wished there was a typical day — no such thing really.  Our team does...

Back to basics with tempering (Part II)

After a part has been austenitized and quenched, it must be tempered. As was discussed previously , the purpose of tempering is to relieve...

Back to basics: The mechanism of quenching

Regardless of the product, it is likely that it is heat-treated and quenched. Engine components are heat-treated for wear and durability (Figure 1). Aircraft...

Standards in terminology for bevel gearing

If you still are digesting the acronyms in my April 2019 column, I apologize. As mentioned in that article, without a proper understanding of...

Q&A with Larry McMillan

What do you do in your position at Hainbuch America? I cover parts of Ohio, Indiana, and Michigan, and I promote Hainbuch sales. What advances in...

How to set up a vibratory bowl for gear finishing

This is the first in a multi-part series on vibratory processing of gears. This article is focused on machine set-up for optimal mass motion. Overview...

I graduated; now I am an engineer!?!

In my previous columns, I tried to connect real-world experiences with concepts of gearing in order to entertain and educate you, the reader. In...

Q&A with James Richards

What’s a typical day like for you at James Engineering? I usually get up and get in here a couple of hours ahead of everyone,...

Back to basics: Austempering and its advantages

In the previous articles, we discussed the processes of quench and temp, and martempering. In quench and tempering, the part is heated to the...

Back to basics: Martempering to reduce distortion

In the previous article, we discussed the principle of quench and temper, which is arguably the most common type of steel heat-treating. In this...

Q&A with Don Ortmann

What’s a typical day like for you at Iosso? I oversee the production of different departments. We have two departments: One is a production department...

Achieving zero-backlash worm-gear pairs

Life is full of opposing views. If you are heading to the beach, then you want to have the “perfect” beach body. This requires...

Back to basics: Quenching, tempering as heat treatments

This article describes the most common type of heat treatment of steel. This includes austenitizing, quenching, and tempering. In this process, the part is...

Q&A with David Jones

How long have you been involved with Emuge precision workholding products? I have worked at Emuge Corp. in the precision workholding group since 1997 and...

Standards in terminology for gearing

LOL, BRB, and LMAO are some of the terms that you might text to your teenager if you want to seem cool with their...

Q&A with Matthias Reimann

What are your duties at SONA BLW? I have been with SONA BLW and its predecessor for more than 15 years in various functions. I...

Parallelism, perpendicularity, and misalignment

Sometime around your 12th birthday, the trip to the dentist resulted in a discussion about the misalignment of your teeth and the need to...

Magnetic particle testing and evaluation of AMS AQ test samples

Aircraft quality (AQ) testing of steels per AMS 2300, 2301, 2303, and 2304 requires specialized sampling and specimen preparation prior to final evaluation using...
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