Gear Solutions Online

GS: We thoroughly enjoyed GEAR EXPO 2007, and everyone I spoke with felt the same way. How do the numbers look? KM: All of the numbers, in every registration category, are much higher than t...

When Larry Brylski first asked his stepson, Greg Scott, if he and his wife were interested in joining the family company, they weren’t sure whether he was kidding around or not. They already ...

Sometimes the name says it all. Such is the case with Aerocom Industries, with “Aero” referring to the aircraft/aerospace (AS9100 certified) side of the business, and “Com”...

  Well, it’s finally here—GEAR EXPO! This is the premier show for our industry, and I hope that you are planning to attend. I will admit that for the last two columns I have been s...

The basis for a major part of gear research is the study of the wear phenomena, especially between two metal rubbing surfaces. Wear is a complicated subject. As early as the late 1920s the German O...

GS: I understand that the MPP Ford Road Division is the company’s gear specialist. Tell us a little about its history and capabilities.GS: MPP Ford Road was originally a company called Carb...

Whether it be in your personal or professional life, sometimes you’ve got to follow your instincts. You can gamble and lose everything, or you just might win—and win big. That’s ...

Testing for the Evaluation of the OilsLubricants are essential in maintaining the condition of fixed or mobile assets. Any degradation in the lubricant’s properties impairs its ability to pro...

Hard turning and grinding are competing finishing processes for the manufacture of precision mechanical components such as bearings, gears, cams, etc. Surface hardening at gentle machining conditio...

Whether required to pace the movement of a precision watch or a giant wind turbine, gears play an essential role in the performance of the products that we rely on in our everyday lives. Gears fall...

For centuries lubricants have been utilized as a way to reduce friction and wear on moving parts. In 2005, approximately 40 million tons of lubricants were produced globally by the industry [1]. Wh...

Fatigue failure of gears can lead to the catastrophic failure of equipment, taking into account that gears are important elements in the power transmission systems of many modern machines. Because ...

 A common mistake is to relate surface hardness to wear resistance. Other factors are also involved, such as ductility; the balance of free carbides in a soft matrix that can be secure or easi...

A common mistake is to relate surface hardness to wear resistance. Other factors are also involved, such as ductility; the balance of free carbides in a soft matrix that can be secure or easily det...

GS: I understand that the company has its roots in academia. PM: That’s true. The Thermo-Calc software package was originally developed by a member of the faculty and graduate students of t...

Considering his background, it’s easy to see how Greg Leffler came to appreciate the finer points of manufacturing precision gearing. “My dad had a race shop, and I grew up helping him...

Parametric instability is investigated for planetary gears where the fluctuating stiffness results from the changing contact conditions at the multiple tooth meshes. The time-varying mesh stiffness...

Less than 10 years ago the selection of machinery was a system decision; presently continuous indexing (face hobbing) and single indexing (face milling) are unlimitedly available to the user.The co...

How many times have you heard this conversation? Production manager: “Where’s the 72-piece bevel gear order that should be at grind right now?”Purchasing agent: “It’s ...

Like links in a chain, every aspect of your manufacturing process is connected, and if one of them fails or isn’t performing up to your requirements, then you’re not getting the full re...

In this issue of the magazine there is a special section devoted to GEAR EXPO. This, as we know, is the leading event for all of us in this industry. It is also the ideal location to expand your k...

With the rapid advance in gear technology, new hitherto unforeseen failures can occur, and typical among them are failures due to electrical discharge. Such failures are scantily dealt with in most...

GS: Give us a snapshot of Dayton Machine Tool. TF: The company was founded 58 years ago in 1949, specifically to rebuild machine tools. This was just after World War II and business was booming, ...

Although Oliver Gear is celebrating its 100th anniversary this year—it was incorporated in 1907 as a gear-manufacturing company—it’s actually much older, having been founded a...

Turbo-Abrasive Machining [TAM] is a mechanical deburring and finishing method originally developed to automate edge finishing procedures on complex rotationally oriented and symmetrical aerospace e...

Surface densified powder metal gears and conventional wrought steel gears were tested using a pulsator and a back-to-back gear tester to develop bending fatigue data. Two types of powder metal spur...

I recently read an interesting article titled “Puncturing the Myth of World Class Safety.” It appeared in Industrial Safety & Hygiene News, and it endeavored to explain the meaning ...

Cracks originating in the surface of the tooth flank are due to Hertzian stressing at a depth relative to the maximum Hertz shear stress. The Hertz law provides the radius of contact between a sphe...

GS: When was Therm-Tech founded, and by whom? JK: Charles Wiberg founded the company in 1982, and although he’s now retired he still sits on the board and plays an active role in our curren...

While working as a sales manager for a cutting-tool company, Richard C. Iosso found himself intrigued by the thought of somehow making the edges stay sharp longer. An academically trained chemist, ...

Oil quenching is a logical choice for gears. Atmosphere and vacuum carburizing carbonitriding of gears followed by oil quenching is a popular choice among manufacturers to achieve consistent mechan...

Combining process monitoring and a diagnostic tool to develop a process for contour (profile) hardening gear teeth or tooth-like objects on parts having gear-like geometry can eliminate costly and ...

Demand for plastic components and materials in industrial and consumer applications is growing rapidly, and in all geographic regions. As demand increases, original-equipment manufacturers and thei...