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Gear Technology

August 2014

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Beginning, Renewing, Sharing - an IMTS Journey for Everyone

August 1, 2014

Michael Goldstein

IMTS is about beginnings. This year's show takes place September 8-13 at McCormick Place in Chicago. With more than 1,900 exhibitors expected to occupy more than 1.2 million square feet of exhibit space, there will be plenty of technology on display.

IMTS 2014: This is Big

August 1, 2014

Here's everything you need to know about IMTS 2014, including an interview with Peter Eelman, AMT's VP of Exhibitions and Communications.

IMTS 2014 Booth Listings

August 1, 2014

Here are the booths that should be of interest to gear manufacturers attending IMTS 2014.

IMTS 2014 Show Stoppers

August 1, 2014

Special advertising section featuring IMTS 2014 booths you won't want to miss!

IMTS 2014 Product Preview

August 1, 2014

An in-depth look at the major booths with the latest technology used in gear manufacturing.

Honing of Gears

August 1, 2014

The honing of gears - by definition - facilitates ease of operation, low noise and smoother performance in a transmission. Honing also contributes to reduced friction in the powertrain. Both the intense cutting (roughing process) as well as the functionally fine- finishing of transmission gears can be performed in one setup, on one machine.

Setting Load Parameters for Viable Fatigue Testing of Gears in Powertrain Axles Part I: Single-Reduction Axles

August 1, 2014

This presentation introduces a new procedure that - derived from exact calculations - aids in determining the parameters of the validation testing of spiral bevel and hypoid gears in single-reduction axles.

First International Involute Gear Comparison

August 1, 2014

Measurement institutions of seven different countries — China, Germany, Japan, Thailand, Ukraine, United Kingdom and the U.S. — participated in the implementation of the first international comparison of involute gear measurement standards. The German metrology institute Physikalisch-Technische Bundesanstalt (PTB) was chosen as the pilot laboratory as well as the organizer. Three typical involute gear measurement standards provided by the PTB were deployed for this comparison: a profile, a helix and a pitch measurement standard. In the final analysis, of the results obtained from all participants, the weighted mean was evaluated as reference value for all 28 measured parameters. However, besides the measurement standards, the measured parameters, and, most importantly, some of the comparison results from all participants are anonymously presented. Furthermore, mishandling of the measurement standards as occurred during the comparison will be illustrated.

Sally Ride Science: Creativity, Collaboration and Fun

August 1, 2014

Sally Ride Science will be featured at IMTS 2014.

Product News

August 1, 2014

The complete Product News section from the August 2014 issue of Gear Technology.

Calendar

August 1, 2014

The complete technical calendar from the August 2014 issue of Gear Technology.

Industry News

August 1, 2014

The complete Industry News section from the August 2014 issue of Gear Technology.

GT Extras

August 1, 2014

See the latest online video from Gleason, plus explore the THORS Academy Gears Knowledge Center and our Back to Basics archive.

Importance of Contact Pattern in Assembly of Bevel vs Cylindrical Gears

August 1, 2014

Dr. Hermann J. Stadtfeld

Why is there so much emphasis on the tooth contact pattern for bevel gears in the assembled condition and not so for cylindrical gears, etc?

Additives: Anti-Wear vs Anti-Scuff

August 1, 2014

A reader asks: While I have read a reasonable amount of the literature on the pros and cons of anti-wear and anti-scuff additives, I find that the more I read, the more confused I become. I could use some clarity in my life.

The Pros and Cons of Fully Ground Root Fillets

August 1, 2014

Robert Errichello

For maximum life in carburized and ground gearing, I have been advised that fully grinding a radius into the root gives maximum resistance against fatigue failures. Others have advised that a hobbed and unground radius root form is best. Which is best, and why?

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