May 2020

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Feature Articles

Inside Look at the Hard Finishing Cell
Gleason Combines Threaded Wheel Grinding with GRSL Gear Inspection

The All-in-One Application Advantage
A Look at Complex, High-Performance Five-Axis Machining Solutions.

Technical Articles

New Guideline for Determining the Reliability of Planetary/Spur Gear Units
In the wind power industry, the reliability of powertrain components plays a major role. Especially in multi-megawatt offshore applications, an unplanned replacement of drivetrain components can lead to extremely high costs. Hence, the expectation of wind farm operators is to forecast the system reliability. Under the leadership of the VDMA (Mechanical Engineering Industry Association), the standardization paper 23904 "Reliability Assessment for Wind Turbines" was published in October 2019.

Optimal Polymer Gear Design: Metal-to-Plastic Conversion
Nowadays, the progress in polymer materials and injection molding processing has enabled a drastic expansion of plastic gear applications. They are used not only for lightly loaded motion transmissions, but also in moderately loaded power drives in automotive, agriculture, medical, robotics, and many other industries.

Prototyping on Bevel Gear Cutting and Grinding Machines
Why Prototyping with End-mills on Bevel Gear Machines? Manufacturing of spiral bevel and hypoid gears can be conducted in several ways.

Departments

Staying Connected (Publishers Page)
With much of America still under stay-at-home orders, it's very difficult for many of us to stay connected. In our personal lives, we're celebrating birthdays with a drive-by and a wave, we're attending religious service on our laptops and talking with loved ones via video chat. If you're allowed to go to work, you're expected to wear a mask and keep your distance. And if you're working from home, your only connection to co-workers, employers, suppliers and vendors is via virtual meetings and conference calls.

Product News (Product News)
The complete Product News section from the May 2020 issue of Gear Technology.

Industry News (Industry News)
The complete Industry News section from the May 2020 issue of Gear Technology.

Parenting in the Pandemic (Addendum)
uncertainty is still an everyday experience. Given the wealth of sometimes confusing and contradictory information we are spoon fed by Washington, we are left to our own devices to decipher announcements, e.g. — Do I wear a mask or not wear a mask? Do I still need to practice social distancing (a classic oxymoron: what is sociable about keeping distances between each other)? And so on.