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Hardenability 101

June 5, 2018

Charles D. Schultz

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Material Grade in Gears

The reason not all gears can be made from the same material grade has to do with hardenability. We have long unde...

What’s Your Angle?

May 10, 2018

Charles D. Schultz

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Hulet self-unloader image courtesy of ASME. Interesting things happen when you start using “non-standard” gear geometry. As early as th...

Making Things Work

May 8, 2018

Charles D. Schultz

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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 by your employer to de...

That X Factor

May 3, 2018

Charles D. Schultz

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

Bending the Rules

May 1, 2018

Charles D. Schultz

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

The Long and Short of It

April 25, 2018

Charles D. Schultz

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One of the problems with “tribal knowledge” is that the terminology can confuse those who are not fully immersed in that community. I have lost ...

Filling in the Gaps

March 27, 2018

Charles D. Schultz

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A few weeks ago, I admitted to not knowing much about the Klingelnberg system of bevels. Terry Edwards, chief designer at Pacific Star Marine in Br...

KISSsoft Offers Calculations for Asymmetrical Toothings

March 23, 2018

The current KISSsoft version, 03/2017, provides you with a range of different options for calculating and inputting asymmetrical toothing...

Nothing Remains Constant

March 6, 2018

Charles D. Schultz

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We cannot leave our lesson about tooth depths without covering bevel gears. There is a tendency to think of bevels and worms as being best left to ...

Out of Your Depth?

March 1, 2018

Charles D. Schultz

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How did that over pin calculation work out? My congratulations if you managed to work your way through it without tearing your hair out. Guess what...