[advertisement]

April 2021

Publisher's Page

Turning the Corner

I went to pick up a pizza the other day and had a hard time finding a spot in the restaurant's lot. I was a little surprised by this, because I personally haven't eaten in a restaurant in about a year. But there were lots of people inside, eating at tables - acting almost as if life were normal.

Technical Articles

Problem with Disk Pack Coupling

I have a problem with a disc flexible shaft coupling that is used in screw compressors. This coupling is cracked and damaged after a short time, and the changing rate of this coupling is very high — about every 3 months. But as I understand from the machine manual, the coupling replacement may be every 8,000 hours or 12 months...

An Overview of Fretting Wear

The reasons of this failure, its consequences and mitigation methods.

How Reliable is a Reliability Calculation?

Bearing subsystem life and reliability explained.

Feature Articles

Electrification Outlook

An E-Mobility conversation with Jeff Hemphill, vice president and CTO at Schaeffler Group North America.

Electrification Reimagined

A cheat sheet on E-Mobility, electrification, and the push toward a digital future.

Mayr Provides Shaft Couplings for Torque Transducers in FZG Worm Gear Test Stands

For reliable and accurate measurement results, The connection of the measuring shafts used is of particular importance.

Power Play

Where We're Going, We Don't Need Roads!

Why not flying cars? We talk on video screens. We disappear into virtual 3D worlds thanks to Virtual Reality (VR). We have robots working in restaurants. Flying cars are pretty much the last thing from The Jetsons cartoon missing in 2021.

Product News

The complete Product News section from the April 2021 issue of Power Transmission Engineering.

Industry News

The complete Industry News section from the April 2021 issue of Power Transmission Engineering.