Brush Research Announces Availability of Massive Diameter Ball Hone to Maritime Mechanics in Canada

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A prominent maritime service company is reporting a significant quality difference between a generic catalogue tool and a custom-adapted flexible hone for servicing the big bore diesel engines.

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The main engines are big bore diesels with cylinders ranging up to 40-inch diameter

Brush Research has recently announced the availability of the massive ball-style hone to Canadian maritime mechanics. Hard-working container ships require fast response as well as the right honing tool.

"We're in the standby mode all the time because our customers, typically container ships, need fast service," explains Al Guevera, American Diesel general manager. When American Diesel gets a call for service, the company prides itself in providing a rapid response. Oftentimes within minutes American Diesel mechanics are on the move from the firm's New Orleans shop or from any number of locations in the field.

The oceangoing engines that American Diesel services include most of the international big bore models, including those from Sulzer, Yanmar, Daihatsu, Man B&W and MAK.

"The main engines are big bore diesels with cylinders ranging up to 40-inch diameter," says Guevera. "We also work on the generators, which are pretty big too, with average bores of 20 inches or so."

When doing overhauls or repairs that involve cylinders, it is predictable that cylinder liners will have to be deglazed and crosshatched with an industrial brush. For those jobs Guevera uses compact, portable and highly efficient industrial brushes.

Widely known by the brand name Flex-Hone, the ball-style hone is a highly specialized industrial brush that is instantly recognizable by its unique appearance. Featuring small, abrasive globules that are permanently mounted to flexible filaments, the industrial brush is a low-cost tool for deglazing, de-burring, edge blending and crosshatching.

Guevera says the honing tool is available in a range of radius sizes, including the larger ones needed to service cylinders of 40-inches and larger. The Flex-Hone's independently suspended, abrasive globules both self-center and self-align to the bore as well as compensate for wear, all of which facilitate close-tolerance finishing work.

Another important capability of a flexible hone is its plateau finishing capabilities, a process by which cylinder walls are subjected to a bore finishing procedure that increases the life of both the cylinders and the piston rings. The purpose of plateauing is to remove loose, cut, torn and folded material within the cylinder, create valleys and remove peaks that would otherwise damage rings or seals. The result is that more lubricant is retained, improving engine startup and performance.

Guevara says he discovered the honing tool over 20 years ago when he worked on gasoline engines as a teenager. "I used ball-style hones for those small bore engines," he says. "Years later at American Diesel I contacted Brush Research Manufacturing, Co and asked if they had those same hones for larger bores. Although they didn't have a standard line of bigger sizes, they said they would supply whatever we needed, and we've been relying on their flexible hone ever since."

Contact Info:
Heather Fowlie
Brush Research Mfg. Co., Inc.,
4642 East Floral Drive, Los Angeles, CA 90022;
Phone: (323) 261-2193;
Fax: (323) 268-6587;
email: info @
web site:

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