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Reverse Engineering

Finding replacement metal bellows components is easier with Servometer's time saving reverse engineering guidelines. Download White Paper Reverse Engineering guidelines Today's design engineers often find themselves in the uncomfortable predicament of replacing legacy parts or parts that have become obsolete. This predicament is often the result of undocumented drawings, part numbers, or specifications. In many cases, the original designer is no longer available. Whatever the reasons, it is often the job of the design engineer to propose a solution using outdated technology and resources or insufficient information. This paper offers hands on reverse engineering guidelines and provides a solution to finding the ideal replacement bellows for your application.

Posted in: Mechanical Components, White Papers

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Electroforming Basics

Electroforming is the process of depositing thin layers of metal onto a mandrel through electroplating, dissolving the mandrel chemically, and leaving the plating as the final electroformed product. Learn how electroformed components are manufactured and how they can be applied to a variety of applications.

Posted in: Mechanical Components, White Papers

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NASA Begins Engine Test of Space Launch System Rocket

Engineers are preparing to test parts of NASA's Space Launch System (SLS) rocket that will send humans to space. They installed an RS-25 engine on the A-1 Test Stand at Stennis Space Center. The Stennis team will perform developmental and flight certification testing of the RS-25 engine, a modified version of the space shuttle main engine. The SLS's core stage will be powered by a configuration of four RS-25 engines.

Posted in: Motion Control, Motors & Drives, Power Transmission, Test & Measurement, Aerospace, Aviation, News

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Airbags Take the Weight in Load Tests of Aircraft

NASA Armstrong Flight Research Center’s Flight Loads Laboratory completed structural evaluations on a modified Gulfstream G-III aircraft that will serve as a test bed for the Adaptive Compliant Trailing Edge (ACTE) project. The loads tests assisted engineers in predicting the levels of structural stress the airplane will likely experience during ACTE research flights. And for the first time, some unusual hardware aided the process: the aircraft was supported by three large inflatable airbags during the tests.

Posted in: Mechanical Components, Test & Measurement, Aerospace, Aviation, News

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Students Learn On-the-Fly Engineering in Solar Car Competition

Nine teams of solar powered model cars competed during the inaugural Junior Solar Sprint (JSS) competition held at the STEM Education and Outreach Center at Aberdeen Proving Ground, MD. The JSS is a nationwide competition funded by the Army Educational Outreach Program, which challenges teams of students from elementary and middle school to design, construct, and race small model cars powered entirely by solar energy.

Posted in: Motion Control, Motors & Drives, Solar Power, Renewable Energy, Energy, News, Automotive

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Cassini Spacecraft Reveals Geysers and More on Saturn Moon

Scientists using mission data from NASA’s Cassini spacecraft have identified 101 distinct geysers erupting on Saturn’s icy moon Enceladus. Their analysis suggests it is possible for liquid water to reach from the moon’s underground sea all the way to its surface.

Posted in: Imaging, Aerospace, News

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Acoustic Bottle Bends Paths of Sound Waves

Researchers with the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a technique for generating acoustic bottles in open air that can bend the paths of sound waves along prescribed convex trajectories.The acoustic “bottle” features a three-dimensional curved shell, in which a wall of high acoustic pressure surrounds a null pressure region in the middle. Sound waves forming the bottle are concentrated into a beam that travels through the high pressure wall of its curved shell. The sound waves are generated by an array of loud speakers, 1.5 centimeters in diameter and spaces 2.5 centimeters apart, operating at a frequency of 10 kilo Hertz (kHz) and can be launched along a designated trajectory by precisely adjusting the phase profile of the speaker array.Because the high pressure wall of the acoustic bottle exerts a pulling force, there are no sound waves passing through the null pressure interior of the bottle and the bottle can be used for acoustic trapping."Our acoustic bottle beams open new avenues to applications in which there is a need to access hard-to-reach objects hidden behind obstacles, such as acoustic imaging and therapeutic ultrasound through inhomogeneous media,” said team member Tongcang Li. “We can also use an acoustic bottle as a cloaking device, re-routing sound waves around an object and then recovering them in their original form, making the object invisible to sonar detection.”Acoustic bottle beams might also serve another application: acoustic levitation, in which sound waves are used to lift and manipulate millimeter-sized objects, including particles, microorganisms and droplets of water.SourceAlso: Learn about a High-Temperature Surface-Acoustic-Wave Transducer.

Posted in: Imaging, News

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