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Home » Publications » Gear Technology

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Gear Technology

March/April 2004

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  • Publishers Page
  • Feature Articles
  • Technical Articles
  • Addendum
  • Product News
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  • Industry News
  • Revolutions

Publishers Page

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Hope Springs Eternal

March 1, 2004
Michael Goldstein
As I write this editorial, much of America seems frozen solid. It snowed again here in Chicago yesterday, and last night the wind chill was –30ºF (–34ºC). It’s been cold like this for more than a week, and the forecasters are predicting more of the same. After a while, such a deep freeze can be depressing.
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Feature Articles

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Gear Heat Treatment: The Influence of Materials and Geometry

March 1, 2004
Gear designs are evolving at an ever accelerating rate, and gear manufacturers need to better understand how the choice of materials and heat treating methods can optimize mechanical properties, balance overall cost and extend service life.
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Low Pressure Carburizing with High Pressure Gas Quenching

March 1, 2004
High demands for cost-effectiveness and improved product quality can be achieved via a new low pressure carburizing process with high pressure gas quenching. Up to 50% of the heat treatment time can be saved. Furthermore, the distortion of the gear parts could be reduced because of gas quenching, and grinding costs could be saved. This article gives an overview of the principles of the process technology and the required furnace technology. Also, some examples of practical applications are presented.
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Hot Stuff - Heat Treating News

March 1, 2004
News from around the world about heat treating.
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Technical Articles

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Hobbing Precise, Uniform End Chamfers

March 1, 2004
The seemingly simple process of placing a uniform chamfer on the face ends of spur and helical gears, at least for the aerospace industry, has never been a satisfactory or cost effective process.
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New ANSI-AGMA Accuracy Standards for Gears

March 1, 2004
AGMA has started to replace its 2000-A88 standard for gear accuracy with a new series of documents based largely on ISO standards. The first of the replacement AGMA standards have been published with the remainder coming in about a year. After serving as a default accuracy specification for U.S. commerce in gear products for several decades, the material in AGMA 2000-A88 is now considered outdated and in need of comprehensive revision.
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Addendum

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Anchors Aweigh

March 1, 2004
Fred Young, president of Forest City Gear in Roscoe, Illinois, discovered a new market on a flyfishing trip on the White River in Arkansas.
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Product News

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Product News

March 1, 2004
The complete Product News section from the March/April 2004 issue of Gear Technology.
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Events

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Technical Calendar

March 1, 2004
Calendar of events from the March/April 2004 issue of Gear Technology.
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Industry News

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Industry News

March 1, 2004
The complete Industry News section from the March/April 2004 issue of Gear Technology.
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Revolutions

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Revolutions

March 1, 2004
"Gears of Gold" and "Process Equipment's Virtual ND430."
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