Month: May 2018

If my last posting prompted you to look at a copy of a material cert, you probably noticed that the cert has much more information […]

So, what exactly do we mean when we say “use good material” for your gears? Once again, the answer is “it depends.” Even the “best” […]

Even the most brilliant gear design will fail if the wrong material is used to make the parts. Our understanding of metallurgy and alloying elements […]

You might be thinking this conversation would logically move to other tooth modifications. Gear Technology has and will continue to publish many fine, scholarly papers […]

One of the scariest things a gear designer can face is a blank sheet of paper. This is why most of our products are “derivative” […]

You kids are spoiled! Back in my day it took at least a day to see the results of computer modeling, longer if the courier […]

Hulet self-unloader image courtesy of ASME. Interesting things happen when you start using “non-standard” gear geometry. As early as the 1880s, engineers understood that tooth […]

There is an old saying that if the only tool you have is a hammer, everything looks like a nail. Imagine that you are tasked […]

Our international readers are no doubt chuckling over this silly, American “long addendum” terminology. The “civilized world” has long relied on a more precise concept […]

In my last posting I advised designers to avoid relying on “rules of thumb” or computer coding when confronted with tough decisions. This admonition has […]