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Hundreds of Gearmotors Drive Times Square Scrolling Sign

With a zoning ordinance requiring businesses to throw up big, bright, eye-catching signs, Times Square in New York City has an illuminated-sign density rivaling Las Vegas. When Toys “R” Us moved into the neighborhood, it contacted Revolution Display Systems, (Toronto, Canada) to create a motor-controlled, synchronous, contiguous moving image that would constitute the location’s storefront. The resulting 165-module “Building Board” is the first large-format scroller matrix in the world.

Posted in: Applications, Motion Control, Application Briefs

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Drive Retrofit Update Enables Smoke-Removal System at Atlanta Airport

When the City of Atlanta finalized plans for the capital-improvement project at Hartsfield-Jackson Atlanta International Airport, an integral part of the 10-year, $5.4 billion project included upgrading the ventilation system of the underground Automated People Mover (APM). The APM’s previous ventilation system was adequate when the APM served the A, B, C, and D Concourses. When Concourse E was added and the APM extended — now 3.5 miles long, handling 128,000 passengers an hour — the fans required upgrading to handle additional flow and pressure to meet National Fire Protection Association standards for emergency smoke evacuation. The $3.4-million set up and installation contract for mechanical and electrical equipment was awarded to W.B. Wallis & Co. (Atlanta, GA).

Posted in: Applications, Motion Control, Application Briefs

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Device Simulates Spine Motions

The spine is the most complex mechanical system in the human body. With the University of Minnesota in Minneapolis, Instron (Norwood, MA) is utilizing the BioPuls™ Multi-Axial Spine Testing System to characterize the multi-axial dynamism of the backbone. Such testing will help further the understanding of spine kinetics, simulating precisely the complex, coupled motions typical of the spine and impact on spinal procedures. The system can be used to help evaluate the design of new instruments and implants that allow a greater physiological range of motion.

Posted in: Applications, Motion Control, Application Briefs

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Toroidal Roller Bearings

Serving as non-locating bearings in large electric motors, SKF USA’s (Kulpsville, PA) CARB® toroidal roller bearings accommodate heavy radial loads and compensate for misalignment. Suitable for both coupled and belted loads, the bearings offer users a single bearing solution for motors, regardless of mounting method. The self-aligning bearings adjust for axial expansion of the shaft internally while self-guiding rollers maximize load capacity. The bearings reduce skidding on raceways, enabling their use on coupled motors with relatively light loads. A range of sizes is available with seals and optional cages. Custom designs are also available.

Posted in: Products, Motion Control

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Hydraulic Power Unit

SPX Fluid Power (Rockford, IL) has released the SPX Smiths Model SMR low-pressure DC bi-rotational hydraulic power unit, available in both holding and non-holding designs. The power unit comes with a standard emergency override shaft, pressure setting options, four tank sizes, and SAE and BSPP port options. A handset controller and reversible start solenoid are optional.

Posted in: Products, Motion Control

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Contouring Control

The TNC 320 contouring control from Heindenhain Corp. (Schaumburg, IL) features the ability to control five axes, an analog drive interface for interfacing to existing drive systems, and one-piece construction, the device sports a 15" TFT color flat-panel display (1024 x 768 pixels). The unit’s main computer contains several onboard cycles to simplify most machining operations such as drilling, probing, and milling. The compact flash memory card withstands vibration and shock, stores the PLC program and commissioning information, and offers more memory for NC files. Data interfaces include RS-232, USB, and Ethernet. G-code programming is possible with the addition of a USB keyboard.

Posted in: Products, Motion Control

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Vibration Control System

LMS North America (Troy, MI) has introduced the LMS Test.Lab Vibration Control system for closed-loop vibration control testing under a wide variety of usage and transportation circumstances. Allowing engineers to test products under normal to extreme operating conditions, the system supports endurance testing, online damage monitoring, and trend analysis. It includes integrated support of all common standards for vibration qualification testing, such as MIL STD 810, GAM EG-13, or IEC standards.

Posted in: Products, Motion Control

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