March/April 2021

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It’s Gonna Be Alright

COVID-19 has taken a huge toll on the world. It has affected — and continues to affect — virtually every aspect of life. But at least as far as the economy goes, the more people we talk to, and the more statistics we hear from reliable sources, the more we think maybe Bob Marley was onto something.

Technical Articles

Case Study of ISO/TS 6336-22 Micropitting Calculation

Micropitting per ISO standard explained.

Introduction to Pericyclic Transmissions

Pericyclic transmissions: how they work.

Effects of Different Shot Peening Treatments in Combination with a Superfinishing Process on the Surface Durability of Case-Hardened Gears

How the increasing demands on power transmission and reduction in mass of modern gearboxes lead to gear designs that are close to their load-carrying capacity limits.

Feature Articles

CFC Fixtures Increase Productivity in Carburizing, Nitriding and FNC

A review of information published recently by manufacturers of CFC fixtures used in heat treating.

Heat Treat and Metal Education Opportunities

AGMA and ASM International offer a diverse range of steel, metallurgy and heat treat courses both in-person and virtually in 2021.

Addendum

America’s Arsenal of Democracy

While we recently celebrated women in manufacturing and engineering on International Women’s Day on March 8, 2021 there is rarely a day that goes by that I don’t think back to the stories my own grandmother, Laurel McKinley (Hartner), shared about her experience working at the Willow Run manufacturing complex during World War II.

Product News

Product News

Gear-related new technology from Klingelnberg, Forest City Gear, Liebherr, Motus Labs, Ipsen, Mazak, MHI, Siemens Digital, and Schunk.

Industry News

Industry News

The latest news from AGMA, EMAG Group, Star Cutter, MHI and more.