Company Profile: Gerhardt Gear Co.

By: Russ Willcutt

With customers ranging from NASA--for which it built parts for the Mars rovers--to off-road vehicle enthusiasts, Gerhardt Gear truly is a different kind of gear company.

Are Energy Answers Blowing in the Wind?

By: Sandor J. Baranyi

Wind farming--already a viable energy source in Europe and some U.S. states—may present a promising new market for gear manufacturers. Here's a progress report...

Designing Gears Through the Years

By: Joseph R. Mihelick, P.E.,

A glance back to the early days of gear design will give you a newfound appreciation for the equipment and technology that speeds your progress through an average workday.

Company Profile: Kreiter Geartech

By: Russ Willcutt

Just a few years away from celebrating its 100th anniversary, Kreiter Geartech continues to prosper as a world-class manufacturer of high-speed custom gearing.

Company Profile: B&R Machine and Gear Corp.

By: Russ Willcutt

A family run operation in the truest sense, B&R Machine and Gear bases its success on the simplest of themes: honesty, delivery, customer service, and quality.


Company Profile: Raycar Gear & Machine Co.

By: Russ Willcutt

Paying attention to details and growing in a methodical manner has allowed Dan Schwartz to break from the pack and emerge as an American success story.

Making "Cents" of Die Casting

By: Stuart Burke

Cost savings, a streamlined production process, and increased quality are only a few of the reasons why die casting is an excellent alternative for manufacturing small gears.

Engineering Principles for Plastic Gears

By: Rudy Walter

In many instances, plastic materials perform markedly better than do metals—especially in gears. Read on to learn the details that will allow you to make the best choice...

A "Super Tool" for Superior Gear Blanks

By: Fritz F. Greulich

With benefits including no heat buildup or chip problems, rotary saw cutting has emerged as the premier process for producing quality gear blanks.

Company Profile: Clarke Gear Co.

By: Russ Willcutt

From humble beginnings, Clarke Gear has spent the past 50 years building its reputation—and its success—on a passion for manufacturing.

The New Face of a Fine Fellows

By: Tim Helle

Since its acquisition of the Fellows Corporation, Bourn & Koch has breathed new life into a well-known and respected product line with the HS650 Gearless Shaper.

Back to the Broaching Future

By: Matt Egrin

A fascinating history of the broaching process—and how old techniques have been made new again—by the industry expert, Broaching Machine Specialties Co.

Expert Advice on Expanding Mandrels

By: Chip Brettell

The original expanding mandrel was patented by William J. LeCount in 1847, so there's no better source of advice than the president of LeCount, Inc.

Company Profile: Bourn & Koch, Inc.

By: Russ Willcutt

With capabilities ranging from designing unique machines to remanufacturing and retrofitting, Bourn & Koch continues its tradition as a true industry innovator.

Superior Grinding: Design by Drake

By: Jim Vosmik

Looking for an affordable, rapid setup alternative to the traditional gear grinding process? Drake's new GS:G2 has the flexibility to handle a variety of grinding roles.

KAPP's Combined Process for Automotive...

By: Tom Lang

Innovation is a must in today's competitive manufacturing environment, so KAPP has designed machines that are coupled to provide grinding and Coroning in a single automated...

Company Profile: Midwest Gear

By: Russ Willcutt

With economic indicators pointing upward, Midwest Gear is poised to make the most of its newfound activity.

What to Know About ISO

By: Patrick Hall

You've built your company into a profitable enterprise, so it may be time to consider ISO certification. Here's why... and how.

Moving Measuring to the Machine

By: Robert Wasilesky

With the cost of testing and measurement equipment more reasonable than ever before, why not move your measuring to the shop floor?

As the Worm Turns... Toward Rolling

By: Howard A. Greis

Precision, excellent surface finish, and high fatigue strength are just a few of the advantages to be achieved using cylindrical die worm rolling.

A New Design for Dry Hobbing Gears

By: Hirofumi Kage

Improved cutting efficiency, lower running costs, and environmentally sound operations are just a few of the advantages provided by Mitsubishi's new machine design.

Reducing Distortion in Heat-Treated Gears

By: Daniel H. Herring & Gerald D. Lindell

There is a long list of factors to consider when heat treating gears. Here is an in-depth examination of those variables that will help you minimize distortion during the process.

Dealers Deliver More than Machines

By: Steve Molloy

You may think that a relationship with a used-machinery dealer involves little more than a transaction, but there are many value-added services that can sweeten the deal.

Company Profile: St. Louis Gear Co., Inc.

By: Russ Willcutt

With its roots in the country's efforts during WWII, St. Louis Gear has since established a reputation for excellent service and precision gears.

Arrow Offers a Stock Solution

By: Bob Wasilewsky

With 53 different combinations of carburized ground tooth spiral bevel gears in stock--and more than 50 years of experience--Arrow Gear is helping its customers to compete.

The Details of Ductile Iron

By: Bob O'Rourke

Considering its many positive properties, a strong argument can be made for converting to ductile iron, and many in the industry have already made the switch.

Direct Digital Simulation Modeling

By: Stepan V. Lunin, Ph.D.,

DDS modeling is a quick, easy, precise, and cost-effective means of mapping the contact points on a wide variety of gear surfaces.

Methods of Hob Maintenance

By: Greg Allen

Is in-house hob sharpening an advantage, or just dollars up the dust collector? Read on to learn more.

Bladerunner 3F

By: Dr.-Ing. Hartmut M├╝ller & Hastings Wyman III

The new three-face grinding blade design for dry cutting spiral bevel gears guarantees higher process capability, shorter handling sequences, and longer part runs.

The Fundamentals of Face Driving

By: Mitchell Kirby

Depending on the type of tooling, a single face driver may replace several solid ring drivers. Read on to learn more.

Company Profile: Perry Technology Corp.

By: Russ Willcutt

Since its beginnings as a solution to a physicist's problem, this company has become a powerhouse in the production of high-precision gears.

Sophisticated Software for Real-Time Data...

By: Marvin Nicholson

The electronic revolution of recent years has brought the world to our fingertips, and new software provides that same immediate information access to the manufacturing process.

Polyglycols for Lubricating Large Gear Drives

By: Hermann Siebert. P.E. & Ulrich Mann, Ph.D.,

Long used for the successful lubrication of worm gears, polyglycol-based synthetic oils now present a viable option for large enclosed gear drives.

The Power of Powder

By: GKN Sinter Metals

Powder metal is poised to become a viable option for manufacturers seeking lower production costs and higher-precision gears.

The Basics of Rebuilding Machine Tools

Why retire a perfectly good machine tool that may still provide years of useful service life? The following is a step-by-step outline of "How to make cents out of...

PVD Coatings for Improved Gear Production

By: Dennis T. Quinto, Ph.D.

Not only do PVD coatings extend the life of your gear-cutting tools, they can also impart beneficial properties to the actual gears being produced.

Direct Gear Design Drives Performance

By: Dr. A. L. Kapelevich

On custom jobs, consider Direct Gear Design—an application-driven gear development process with primary emphasis on performance maximization and cost efficiency.