ELYRIA, Ohio — Bendix Spicer Foundation Brake has announced a new, next-generation double-diaphragm spring brake for drum brakes that offers what the company said is the lightest weight in the industry.
The new Bendix EverSure spring brake with No Touch technology is now in production. The EverSure spring brake is designed to industry-standard dimensions, making it easy to install as a replacement part in the aftermarket, according to Mark Kromer, chief engineer-actuation/slack adjustor products.
“In engineering the EverSure spring brake, we created a high-performing spring brake that is significantly lighter and, at the same time, more robust than others on the market,” Kromer said. “The new spring brake, like all Bendix products, meets the strictest standards for performance and durability. It’s the latest demonstration of BSFB’s leadership in providing solutions to the commercial vehicle industry.”
The EverSure spring brake is more than two pounds lighter than competitive spring brakes.
For trucks and trailers outfitted with the EverSure spring brake, key benefits of the weight reduction include the ability to carry increased payload and improved fuel efficiency, Kromer said, adding that the lighter weight design helps offset the extra weight added to commercial vehicles by engine systems designed to meet recent emissions regulations.
The product’s lighter weight also leads to the best vibration resistance in the industry. Lower vibration levels help prolong the life of the spring brake and supporting components, Kromer said.
Bendix officials said another key advancement in the Bendix EverSure spring brake with NoTouch technology is the elimination of contact between compressed power spring coils, allowing the protective coating to remain intact and resulting in significantly better corrosion resistance than competitive products.
“We designed the power spring of the EverSure spring brake to avoid coil contact damage, which leads to corrosion, and ultimately spring brake failure,” Kromer said. “Engineered with an increased number of active coils, the EverSure spring brake also reduces surface stresses in the power spring. The elimination of coil contact and the additional active coils allow the EverSure spring brake to set the benchmark for durability.”
BSFB also optimized the diaphragm geometry of the EverSure spring brake, resulting in best-in-class force output.
While it is also available in the aftermarket, the EverSure spring brake exceeds all compliance requirements for performance and durability in Original Equipment.
“We have performed extensive validation tests,” Kromer said. “Our corrosion tests, for example, demonstrate the improved durability of the EverSure power spring over competitive designs. The EverSure lasted more than twice as long as other Original Equipment power springs. Also, our testing requirements are far more stringent than the commonly accepted SAE standards.”
“We spend a lot of time listening to our customers’ concerns,” Gary Ganaway, director of marketing and global development at BSFB, said. “They are concerned with added weight from recent emissions changes, an influx of less robust service parts from off-shore, as well as greater enforcement targeted at improved safety and proper maintenance. We are pleased with the work of our engineers in addressing all of these concerns. On the most basic level, our customers can rest assured that, with this product, their vehicles will park – and stay parked. We are excited to have the EverSure spring brake as the most recent addition to our product line.”
In June 2010, Bendix Spicer Foundation Brake launched a new spring brake for air disc brake applications. Available in North America, the double diaphragm spring brake offers an alternative to current piston-style spring brakes. Previously, BSFB launched a similar product for European applications and North American trailer applications.
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