Synthetic Gear Lubricants Go Green

By: Jason T. Galary

In addition to being environmentally friendly, synthetic lubricants impart many beneficial qualities to the gears and components they coat and protect.

Small Package, Big Broaching Results

By: Ken Nemec

American Broach & Machine introduces a new tabletop design, combining the best established broaching principles in an efficient, reliable, and cost-effective package.

Black Oxide Finishing for Gears

By: Mark Ruhland

An automated in-house black oxide process line allows the manufacturer to finish machined gear components and ship them out the same day. Here's how.

Company Profile: The Woodworth Group

By: Russ Willcutt

Whatever market you serve, you can count on this company to go the extra mile to make sure your gears and components are heat-treated properly and made of the right stuff.

Troubleshooting Wind Gearbox Problems

By: Jarek Rosinski & David Smurthwaite

In order to prevent in-service failures in wind turbine gearboxes, an in-depth understanding of how and why they occur is required.

Designing a Bulletproof Manual Transmission

By: Roy L. Wireman

Having a hard time finding a transmission that can withstand your aggressive driving techniques? One answer is to design and build your own. Here's a man who did just...

BIG GEARS Better Inspection

By: Michael Hayes

Gleason's new analytical gear inspection system helps Schafer Gear Works meet its big gear production challenges, opening the door to more opportunities.

Cutting Out the Whining

By: Barry James

You�re sure to enjoy this insider�s account of the development of Romax Technology�s NVH breakthrough and benefits.

Gas Carburizing vs. Contour Induction Hardening...

By: Kelly T. Jones P.E., Michael R. Newsome & Matthew D. Carter, P.E.

The following Boeing study compares distortion of AGMA quality class 10 bevel gears made of 9310 steel that have been gas carburized to those that have been contour induction...

Best-Practice Gearbox Lubrication

By: Angus Macdonald

In this article Lubrication Engineers shares the results of its R&D efforts and their knowledge of how to improve gearbox reliability, resulting in significant savings and...


Better Bevel Gearing

Industry leader Gleason increases productivity in manufacturing straight bevel gears with a powerful suite of tools, techniques, and specialized equipment.

Noise Reduction in Plastic Gears

By: Richard R. Kuhr

When noise reduction is incorporated into design, the outcome will be increased quality and precision. The following is a practical approach to producing low-noise molded gears.

Company Profile: Proto Manufacturing Ltd.

A testing equipment company with its roots in manufacturing possesses particular insights into the process that strengthen its products and the services it provides.

Company Profile: Parker Industries, Inc.

Already an established presence in the gear-manufacturing industry, new ownership has resulted in the rebirth of this company. Read on for an impressive progress report.

Company Profile: Promess, Inc.

With its assembly and test systems in use worldwide, this company has a fascinating history as well as a bright and productive future.

Programmed to Enter New Markets

By: Jerry Fireman

As it expands into new markets, including wind energy, Oerlikon Fairfield adopts a new CNC programming system that has increased both flexibility and productivity.

Fatigue Performance of Prealloyed PM Steel

By: Alexander Klekovkin, Nagarjuna Nandivada, Ian Howe & Sven Bengtsson

North American Hoganas successfully demonstrates the excellent heat-treated properties of the newly developed prealloyed Cr-Ni steel Astaloy CMN.

Robotic Gear Processing

By: Robert E. Lee Greene III

As companies around the world seek ways in which to lower production costs, robotic deburring and manufacturing systems can definitely help level the playing field.

Company Profile: Gear Technology

Long known for quality and precision, this company continues making strides in the commercial aerospace and defense industries, with new markets on the horizon.

A New Approach to Shop-Floor Gear Inspection

By: Gary Sicheneder & Roberto Baruchello

Marposs has responded to a need for a shop-floor inspection system, allowing for real-time inspection of gears in various stages of production without the need for skilled setup.

New Gains in Grinding Pinions

By: Anita Fey

In building a machine that completely grinds pump pinions in a single clamping Junker presents a unique production technology, and the ability to replace three machines with a...

Company Profile: X-R-I Testing, Inc.

Whether you want to send your gears in for non-destructive testing, handle it yourself, or to establish a—co-located—facility on-site, here's the company to...

Duration Through Diversification

By: Everett Hawkins

A wide range of capabilities at work in diverse markets helps companies like Forest City Gear to remain competitive and thrive during tough economic times.

Gear Tooth Temperature Measurements

By: Suren Rao, Ph.D. & Douglas R. McPherson

Much can be learned from measuring the temperature of gears under load. The following paper describes an experimental technique developed specifically for this purpose.

Gear Cleaning Goes Ultrasonic

By: Del Williams

Ultrasonic baths can optimize gear cleaning in terms of safety, quality, and cost. The following tips will help you get the most out of this application.

Company Profile: Inductoheat, Inc.

From selecting the right material for parts a company wants to manufacture, to designing the induction heat-treating system it will require, here's your source for expert...

Bearing Reliability in Rebuilt Gearboxes

By: Colin Roberts

SKF's bearing vibration analyzer has proven invaluable during the maintenance and refurbishment of gearboxes and other critical units in demanding applications.

Low Pressure Carburizing for Transmissions

By: Dr. Volker Heuer & Dr. Klaus Löser

Low pressure carburizing and high pressure gas quenching have become a preferred technology for the latest generation of transmissions. Here's why.

Retained Austenite Stabilization

By: Paul Stratton & Cord Henrik Surberg

Case-hardened components made of low-alloy steels often have retained austenite in the case after quenching, which can be transformed to martensite by further cooling of the...

High Pressure Water Deburring

By: Richard Bertsche

Friendly both to parts and the environment, this process is gaining momentum in the gear-manufacturing industry as its many benefits are discovered.

Lubricant Contaminants Limit Gear Life

By: Mary Moon, Ph.D.

It's been estimated that 82 percent of machine wear is particle-induced, pointing to the importance of purchasing quality lubricants and keeping them free of particulate...

Abrasiveness of Boron Carbide Coatings

By: Matthew Siniawski, Jane Qian Wang & Stephen J. Harris

Parameters such as coating thickness, counterpart tempering temperature, and coating asperity sharpness in particular influence coating abrasiveness.

Company Profile: Brelie Gear Co., Inc.

Take an established company with experienced personnel, throw major capital investments into the mix, and what you end up with is a recipe for success.

Grinding Internal Planetary Gears

By: Yoshikoto Yanase & Masashi Ochi

MHI experts describe an internal gear grinding machine that has been developed for precise and efficient grinding of ring gears in automobile planetary gear systems.

Carburizing Wind-Turbine Gears

By: Mike LaPlante

An inside glimpse into the development of the first integral-quench batch furnace in the United States approved for carburizing critical gears for wind-turbine applications.

Optimizing Ring Gear Forging

By: Mazyad Almohaileb, Jay S. Gunasekera & Bhavin V. Mehta

Efficiency matters, and the following article describes research resulting in the reduction of forging stages, temperature, and material wastage when producing ring gears.

A Hard Turn Toward Efficiency

By: Christer Richt

While grinding is the traditional finishing technique for hardened steel gears, hard part turning provides quite a few benefits that may improve your process, and your product.

Workholding That Works

By: Ann Pettibone

Smart manufacturers can maximize their workholding investment by learning how to use these devices efficiently and to the full extent of their capacity. Drewco provides important...

The Principles of Workholding: Part III

By: Tim Peterson CMfgT & Juergen Kempf

In the third—and final—installment in a multi-part series on workholding, Toolink Engineering and König-mtm discuss inspection, special fixtures, and...