Fall 2007

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Fall 2007 (Complete Issue PDF)

Feature Articles

With Buying Consortium, it's Advantage Suppliers and Buyers
A little over 10 years ago, Louise O’Sullivan was serving as president of one of Dover Corp.’s myriad divisions. One of her duties in that role was to attend the bi-annual cattle calls, i.e.— corporate executive business meetings attended by approximately 22 Dover decision makers. Invariably, at some point in those meetings, someone would ask, “Since we all buy the same things, why don’t we pool our signifi cant purchasing power to achieve better pricing and service?”

Precision Plastic Gears
Some gear geometries are more practical to produce than others. Since choices made early in the design process aff ect the ease and cost of fabrication, those who design gears would do well to consider molding and how molders operate, especially when they create precision gears.

AGMA
Readers of our sister publication, Gear Technology, are perhaps more familiar with the American Gear Manufacturers Association (AGMA) than our PTE audience. Now more than 90 years old, AGMA continues to thrive as a global, relevant go-to resource and service provider—from metrology to tribology—for its more than 400 worldwide members. PTE put some questions regarding AGMA—now, and going forward—to AGMA president Joe T. Franklin, Jr.

How to Design A Better Servo Control System
Servo control system engineers typically work designing new systems or redesigning existing systems for conveyors, pick and place machines, gantries, machine tools or other equipment.

The Search for Intelligent Brakes
Th e Allen Telescope Array at Hat Creek, CA is a joint venture between the University of California Berkeley and the SETI Institute of Mountain View, CA. SETI has hired Minex Engineering of Antioch, CA to help with the design and installation of state-of-the-art drives and controls for the antenna array.

Bearings for High Temperatures
When rolling element or sleeve bearings operate under extreme conditions, it’s more important than ever to follow proper lubrication selection and maintenance procedures to maximize eff ective life and effi cient performance.

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