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August 2013

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Feature Articles

Leading the Way in Lead Crown Correction and Inspection
Forest City Gear applies advanced gear shaping and inspection technologies to help solve difficult lead crown correction challenges half a world away. But these solutions can also benefit customers much closer to home, the company says. Here's how…

Wanted, Custom-Made Machine Tools
The machine tool industry is as competitive as ever. New machine technologies, materials, coatings and software upgrades are changing the way gears are being manufactured. Companies like Gleason, Liebherr, Kapp/Niles and DMG/Mori Seiki spend plenty of time and resources on R&D to develop the best products for the gear market. More importantly, these companies engage with (and listen to) customer requests.

Crash Course on New Technology
It's nice to see old friends. It's also advantageous to make new ones. Gear Expo has always been a family reunion of sorts, but it's first and foremost an opportunity to show off the latest and greatest technologies that are impacting the gear industry today. With this in mind, Gear Technology recently spoke with those responsible for putting the Fall Technical Meeting (FTM) and Gear Expo 2013 together in Indianapolis.

Gear Expo 2013 - An Oscar-Worthy Indy Production
We are well into an odd-number year, so it must be just about time for another Gear Expo. Indeed, the big show -- Gear Expo 2013 -- kicks off in Indianapolis at 9:00 a.m. Tuesday, September 17, wrapping up Thursday the 19th at 4:00 p.m. And whether you are exhibiting or attending, the bottom line is you are going -- a good thing for you, your company and the tightly knit U.S. gear industry.

Showstoppers - Gear Expo 2013
Our special advertising section featuring Gear Expo exhibitors.

Heat Treat Suppliers Focused on Gears
Heat treat suppliers look to the gear industry and the upcoming combined Gear Expo/Heat Treat 2013 for new business.

Engineering Questions - SME has the Answers with Knowledge Edge
The Society of Manufacturing Engineers (SME) has been gathering, validating and sharing manufacturing knowledge for more than 80 years. Traditionally, SME resources were purchased by individuals for their own personal use or by colleges and universities as textbooks. Recently, these same colleges and universities were looking for digital resources to provide to their instructors and students. Companies were requesting SME content digitally for their employees as well.

Design of a Flexible and Lean Machining Cell, Part II
Job shops may be ill-advised to undertake a complete reorganization into FLEAN (Flexible and Lean) cells. A FLEAN cell would (i) be flex-ible enough to produce any and all orders for parts that belong in a specific part family and (ii) utilize lean to the maximum extent possible to eliminate waste.

Turbine Gearbox Inspection - Steady Work in a Shaky Wind Market
Having outlasted the worldwide Great Recession, the Global Wind Energy Council (GWEC) forecasts a constant growth in wind energy, i.e.: "increase in worldwide capacity to 460,000 MW by 2015."

Technical Articles

An Experimental Investigation of Aerospace-Quality Gears Operating in Loss-of-Lubrication Condition
This work establishes a baseline for aerospace spur gear behavior under oil-off conditions. The collected test results document a different oil-off time, dictated by material used.

Automotive Transmission Design Using Full Potential of Powder Metal
For metal replacement with powder metal (PM) of an automotive transmission, PM gear design differs from its wrought counterpart. Indeed, complete reverse-engineering and re-design is required so to better understand and document the performance parameters of solid-steel vs. PM gears. Presented here is a re-design (re-building a 6-speed manual transmission for an Opel Insignia 4-cylinder, turbocharged 2-liter engine delivering 220 hp/320 N-m) showing that substituting a different microgeometry of the PM gear teeth -- coupled with lower Young’s modulus -- theoretically enhances performance when compared to the solid-steel design.

Departments

Gear Expo - Mecca Meccanica (Publishers Page)
It's an ideal time for a pilgrimage to AGMA’s Fall Technical Meeting and Gear Expo, which take place in Indianapolis.

Where Did All the Displaced Manufacturing Workers Go (Voices)
Following is a report from The Manufacturers Alliance for Productivity and Innovation (MAPI). Founded in 1933, the alliance contributes to the competitiveness of U.S. manufacturing by providing economic research, professional development, and an independent, expert source of manufacturing information.

Product News (Product News)
The complete Product News Section from the August 2013 issue of Gear Technology.

Girth Gear Inspection - Pre- and Post-Manufacture (Ask the Expert)
What are the ins-and-outs of quality inspection of girth gears, from both a manufacturer and buyer perspective? Our experts respond.

EMO 2013 - Intelligence in Production (Events)
Preview of some of the exhibits relevant to gear manufacturing at the upcoming EMO 2013.

Calendar (Events)
The complete Calendar of events from the August 2013 issue of Gear Technology.

Industry News (Industry News)
The complete Industry News section from the August 2013 issue of Gear Technology.

Magnetic Gearing Attracting More Followers (Addendum)
"Going green" and energy efficiency are goals that all industries -- especially in Europe and the United States -- are working on, in such sectors as electric motors, lubrication, gears and on and on. Drumroll here please for magnetic gearing