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February 2022

PT Issue

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Publisher's Page

What Are the Limits

Gears and bearings can only be arranged so many ways, after all. You'd think by now that we'd have discovered every possible way to make mechanical devices as strong and efficient as possible.

Technical Articles

Improve Thermal Performance for Ironless Brush DC and Brushless DC Motors

Designers of motor-driven systems must account for thermal issues that can hinder a system's performance and efficiency.

Machine Elements - Shaping the Future through Continuous Evolution

Does Moore's Law apply to machine elements such as gears, bearings and mechanical components?

Feature Articles

The Art of the Balance

Balancing impellers and rotors saves money and improves performance and safety.

Energy Initiative

The need for smart, sustainable and efficient components

Solar-Powered Waste Management

An overflowing waste bin in a park: pizza boxes piled up, coffee cups, napkins and beer cans on the ground. Cities all over Europe have been fighting against such a deluge of waste for years. Corona exacerbates the problem because people spend more time outdoors. “With classic rubbish bins, waste management in most cities is now reaching its limits. Many metropolitan areas in Finland, for example, had to empty public waste bins up to four times a day even before the pandemic,” said Antti Kinnunen, marketing manager at Finbin. The Finnish company’s answer: a waste bin called CitySolar, which compresses waste and thereby has a much higher capacity. A waste bin that is connected to the Internet and triggers an emptying before reaching the maxi mum fill level. “With CitySolar, we are making a contribution to reducing disagreeable waste scenes in cities and improving the CO2 balance in waste management. Up to four out of five trips can be avoided with the networked waste bin,” Kinnunen added. 

Power Play

Motorizing a Hand-Cranked Street Organ

Ron Walters became interested in handcranked street organs when he saw one playing in a video. He summed up his reaction with: "How cool is that."

Product News

Product News

The complete Product News section from the February 2022 issue of Power Transmission Engineering.

Industry News

Industry News

The complete Industry News section from the February 2022 issue of Power Transmission Engineering.

Events

Calendar

Upcoming events in March and April