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Fruitful Planetary-Helical Fusion
Replace high-maintenance chains, belts, and pulleys with this hybrid gearbox combining the merits of planetary and bevel helical gears. The resulting high-efficiency, high power-to-weight unit allows use of smaller drive motors. Also, costs are contained in medium to large industrial apps requiring low to medium speeds and high torque.
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Surface Finishing with a Flourish
Go beyond mere deburring to produce surface conditions conducive to increased service life and functionality. In this essay, Gear Solutions Online explains how turbo-abrasive machining (TAM) trumps manual or conventional mechanical deburring. Automated machining/finishing with TAM creates isotropic surfaces and develops beneficial compressive stresses in rapid cycle times.
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Long Live the Drive Belt
Prolong drive belt service life with modifications that increase belt-wrap length for more gripping surface and raise belt velocity and sheave rim speed to enhance drive air-cooling. You can expect efficient daily operation for three years or more from correctly specified and installed belts.
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Little Belt that Could
Need a belt for smaller, 50 mm diameter pulley applications? This option demands minimal tensioning and lacks modular components and joints, minimizing noise issues. Bacterial, slippage, and belt elongation problems won't arise either, due to the smooth homogeneous surface on both belt sides and integral teeth on the drive side.
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ZF Industries Inc. - Industrial Drives Group
Hysteresis Brakes, Clutches, and Control Units
Hysteresis Brakes, Clutches, and Control Units from ZF Industries, Inc. ZF Tiratron, i.e. the combination of the brake with the electronic control unit or the clutch with the electronic control unit, facilitates the exact regulation of tension forces as well as a defined setting of a torque.
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Quality Transmission Components
New Q420 Catalog — Over 3,700 Metric Gears Details
The process of selecting metric gears just became easier with the publication by Quality Transmission Components of a 528-page product catalog, Q420: The Handbook of Metric Gears. It also contains a comprehensive technical reference section entitled "Elements of Gear Technology."
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Sensors Speed Braking Power
How do you put the brakes on the world's fastest street-legal motor vehicle? With the help of a mobile hydraulic magnetostrictive sensor, which helps the Bugatti Veyron's aerodynamics package add downforce when the car brakes. Deceleration from 230 mph to zero requires a mere 7.5 s. Try that in the company parking lot.
For more on this subject, subscribe to GlobalSpec's e-Newsletter, DirectU2 The world of Sensors & Switches.
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Minimize Motor Stopping Time
Squirrel cage motor stopping time is reduced, relative to regenerative braking or reversing, by dynamic brakes that inject controlled DC into motor windings. The induced stationary magnetic field exerts braking torque on the rotor, leading to smooth stopping and less wear in circular saws, machine tools, and large flywheels. [Access to this article may require a short registration.]
If you find this subject interesting, subscribe to the GlobalSpec e-Newsletter, DirectU2 The world of Motors.
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Collars Make Clean Arrest
Shaft collars are the law in keeping gears and other shaft-mounted components in their place. Avoid moving violations by making the best use of setscrew, threaded, and one- and two-piece clamping collars in diverse applications. Nab some collar performance enhancements in this Machine Design review.
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Styled to Fit
Haute couture for couplings: this season's offerings sport cylindrical inner sleeves to adapt to different shaft diameters. The adapters assure exact fit without free-play after insertion into hollow shafts, and the same adapter sleeve can be used for several solid shaft diameters. How natty.
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Gam
GAM's New DynaLite Low-Cost Right Angle Gearbox
The Dyna-Lite uses hypoid gearing to deliver servo performance in a low-cost solution. Available with solid or hollow output shaft. The advantages of the new Dyna-Lite Series are high-efficiency, standard backlash of 6-7 arc-minutes, high radial loading, back drivable, and much more.
View all of GAM's featured products...
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Fairfield Manufacturing Co., Inc.
Custom Gears and Assemblies - Design and Build Program
In addition to our capability to manufacture custom parts or assemblies to your specifications and drawings, Fairfield has the engineering expertise to take your performance requirements and design a custom gear or assembly that meets the challenges of today's machinery.
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Dice
A Better Job Search by Design
DiceEngineering.com offers thousands of quality engineering jobs at top technology and engineering companies. Find jobs in your area of expertise. Search now.
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Oracle of Occupational Opportunities
 It's a good time to be a mechanical engineer: a U.S. Bureau of Labor study projects mechanical engineering to be one of the top 50 careers with the most job openings through 2014. Professional prospects are best west and south and are being driven by demand from the alternative energy, green technology, and medical device sectors.
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A Site of Seismic Proportions
Hang on to your popcorn: it's ShakeMovie, Caltech's new real-time simulation of Southern California seismic events portal. Near real-time visualizations of recent regional seismic episodes of magnitude 3.5 or greater can be downloaded about 45 minutes after each event.
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