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August 2011

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Technical Articles

Motoring Ahead

Synchronous motors controlled by variable speed drives are bringing higher efficiencies to industrial applications.

Gear Drive Selection Process for the Parcel Handling Industry

This article is designed to help describe the selection process of a reducer to be used in the parcel handling industry. It will go over the different applications for which gearboxes are used throughout parcel handling facilities such as UPS, FedEx and DHL.

Radial Play (Internal Clearance in Ball Bearings)

At first glance, ball bearings are relatively simple mechanisms. However, an analysis of their internal geometries reveals that they are quite complex. For example, the ball to raceway conformity, the radial play, and the number of balls all impact the ability of a ball bearing to support loads under a variety of conditions.

Feature Articles

Blocks (Around the Clock)

Reading Rock manufactures concrete blocks - the kind that were probably used to build the schools that you attended. With employees working three shifts six to seven days a week, they make plenty of them.

Motion Control - Product Spotlight

This special product news section takes a look at the latest in motion control products.

Power Play

Meet Paro, the Robotic Baby Seal

I robot. You robot. He robot. Robots are everywhere. For decades, they have been as prevalent on TV and in science fiction novels and movies as they are now on the world’s factory floors—and operation rooms. Fiction is now fact.

Product News

Product News

The complete Product News section from the August 2011 issue of Power Transmission Engineering

Industry News

Industry News

The complete Industry News section from the August 2011 issue of Power Transmission Engineering.

Events

Pack Expo 2011

The 2011 show examines sustainability, plant efficiency and total systems solutions.

Technical Calendar

The complete Technical Calendar from the August 2011 issue of Power Transmission Engineering.