Technology for OEM Design Engineers December 4, 2007 — Volume 3, Issue 45
Eaton® Style Snap Rings from Smalley Smalley's newly expanded manufacturing capabilities now include Eaton® / Tinnerman® Style Snap Rings. Now available from stock, Smalley offers six different snap ring series. Snap rings are readily available in carbon and stainless steel. Smalley can also produce these heavy-duty rings with numerous different end configurations to meet your application requirements. Utilize Smalley's No-Tooling-Cost™ manufacturing process for special designs, available from .200" to 84" diameters. For more information, please visit:
Smalley.
Mountain bike suspension bucks downhill trend
After many years of riding mountain bikes through the rough New Zealand terrain around the Bay of Plenty, Roland Alonzo had an idea that seemed to resolve a design conundrum that bike makers from around the world have tried to solve, "How do you best balance responsive suspension with pedaling efficiency?" From learning 3D modeling to podium finishes in less than a year, Alonzo's inspiration is now all about action, and his 2Stage bikes with rear air suspension have quickly transformed into a full-blown manufacturing enterprise. Read the full article
Dethroning the internal combustion engine not so easy
Imagine a vehicle that runs on hydrogen or biofuels and offers the same features, performance, and price as today's gasoline vehicle. Will it capture half the market? Not likely, concludes a new MIT analysis. Not even if it's three times more fuel-efficient. Among the barriers: Until many alternative fuel (AF) vehicles are on the road, people won't consider buying one — so there won't be many on the road. Catch-22. The researchers' conclusions are not all gloomy, though. Read the full article
Engineers … start your motors! MicroMo
Electronics, Inc. introduces a Microsystems Starter Kit
with Synchronous Drive Systems. This new kit contains
drive electronics, an adaptor board, and a motor. The
kit was developed to allow a design engineer to quickly and easily get started with a MicroMo miniature synchronous motor. For more information visit MicroMo Electronics, Inc.
Beyond batteries: Storing power in a sheet of paper
Researchers at Rensselaer Polytechnic Institute have developed a new energy storage device that can be printed like paper. The nanoengineered battery is lightweight, ultra thin, completely flexible, and geared toward meeting the trickiest design and energy requirements of tomorrow's gadgets, implantable medical equipment, and transportation vehicles. The device is also unique in that it can function as both a high-energy battery and a high-power supercapacitor. Read the full article
Michelin creates self-regenerating tires
Ever thought about a tire with a tread that regenerates itself as it wears? It's not science fiction or a scene from the "Transformers" movie; it's reality at Michelin. Recently at the Great American Truck Show (GATS) in Dallas, TX, Michelin unveiled the latest innovation from its Michelin Durable Technologies research — the new XDA5 drive tire for Class 8 rigs. Read the full article
Next-gen compression engine technology receives new patents
Sanderson Engine Development Company recently announced the receipt of three new patents by the U.S. Patent and Trademark Office covering a highly innovative piston assembly, an associated piston connecting joint, and a variable compression ratio mechanism — all core components of the Sanderson Rocker Arm Mechanism (SRAM) invented by Robert and Albert Sanderson. The engine combines novel technologies that allow direct conversion between reciprocating and rotational motion without the use of a conventional crankshaft. The result is an internal combustion engine for vehicles that is much simpler and more fuel-efficient than conventional piston engines, according to the design's creators. Read the full article
Electric Replacement for Hydraulics! Exlar's electric linear actuators deliver the force of hydraulics and the speed of pneumatics. The patented roller screw technology offers peak forces in excess of 40,000 lbf., speeds to 60 in/sec, and stroke lengths to 96 inches, all with the ease and reliability of servo control. Visit Exlar online for more information.
God Particle's super collider secured by Superbolt
When CERN's Large Hadron Collider (LHC) is switched on next spring underground in Switzerland, there's no telling exactly what's going to happen. Physics theories range from the innocuous study of some of the Standard Model's less obvious facets, to the creation of stable black holes and the end of the universe. But Timken Steel and Superbolt know one thing: the collider's endcaps won't fall apart. Read the full article
Armor: It does a body good
What really made Clark Kent so admirable to us, and dangerous to super-villains? The freak was bulletproof. In a very real sense, we want to be just as indestructible. In response, engineers are finding new and ingenious ways of protecting the flesh through ceramics, woven fibers, and even biologically produced materials like spider silk. Read the full article
A spin down memory lane: Mazda's rotary engine celebrates 40th anniversary
On May 30, 1967, Mazda launched the world's first twin-rotor rotary engine car, the Mazda Cosmo Sport. Forty years to the day later, the company celebrated the 40th anniversary of the Mazda rotary engine and the production of nearly 2 million rotary engine-powered vehicles. "From humble beginnings in the 1950s to a very bright hydrogen-fueled future, the rotary engine represents Mazda as a company that follows the road less traveled, and makes its own successes where others have failed," said Jim O'Sullivan, president and CEO of Mazda North American Operations. Read the full article
CNC MACHINED PLASTIC PARTS — FAST First Cut Prototype CNC machines low volumes of parts from solid blocks of real plastic in 1-3 business days. We are an alternative to additive rapid prototyping technologies when you need better material properties, improved surface finishes, and better dimensional properties. Upload your 3D CAD model and receive an On-line quote at
First Cut.
3D solar cells boost efficiency, reduce size
Unique three-dimensional solar cells that capture nearly all of the light that strikes them could boost the efficiency of photovoltaic (PV) systems while reducing their size, weight, and mechanical complexity, according to Georgia Tech researchers. The new 3D solar cells capture photons from sunlight using an array of miniature "tower" structures that resemble high-rise buildings in a city street grid. The cells could find near-term applications for powering spacecraft, and by enabling efficiency improvements in photovoltaic coating materials, could also change the way solar cells are designed for a broad range of applications. Read the full article
Totally tubular motors: Tomorrow's automation technology … today
Of all three motor types, tubular motors are best equipped for mainstream industrial usage. This article explains why. It discusses tubular motor designs, installation ease, flexibility, and performance. It also discusses direct-drive linear actuators, in which the Thrust Rod, rather than the Forcer, is the moving component. Read the full article
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