BAE System’s Advanced Research Centre is developing an active vibration isolator that combines a conventional spring and an electromagnetic shaker. The SmartSpring is targetted for use in Naval vessels where the minimization of the acoustic signature is important to avoid detection.
Read the full article on the web site.
Midé Technology Corporation are using lasers to cut small grooves into piezo-crystals that provides strain relief and allows the crystal to be formed into unusual shapes. Crystals can be bent into cylindrical or spherical shapes. Cuts in certain directions can cause the crystal to not only bend but also twist
Read the full article on the Missile Defence Agency web site.
Read the description on the Midé web site.
Owen Corning Automotive, a tier 1 supplier to the automotive industry, has released another product for providing acoustic insulation. The VersaMat product has been used successfully in dish washers, and washing machines. Plans are to use the material in headliners, door panels, under-the-hood applications, trunk storage systems and under carpet heat shields
Read more at the Owens Corning Automotive web site.
Lord Corporation has developed “surface effect dampers” that absorb energy as a function of displacement. Conventional dampers use oil and absorb energy as a function of velocity. The technology has been applied to engine and body mounts.
Read the story on the Lord Corporation web site.
DesignNews magazine has an interesting article on Sound Quality with several automotive examples.
Read the article on the DesignNews website.
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Industrial Research has developed an active vibration control system to reduce vibration from headrig bandsaws, that enables thinner saw blades to be used.
A feedback system applies control forces using non-contact electromagnetic guides.
Read the full article here.
Engineers at Penn State University have developed a novel method of extracting power from vibration. The method uses a rectified piezo-electric device to generate electricity.
Read the full article on the Penn State web site.
Newport, a manufacturer of vibration isolation and optical components, will become a preferred supplier for EM4 for all test and assembly equipment to support the company’s optical manufacturing business.
Read the full article here.
Endevco and Sandia have signed an agreement to develop high g accelerometers and recording devices for use in Emerging Threats missions.
Endevco is a manufacturer of accelerometers. Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy’s National Nuclear Security Administration.
Read the full article on their web site.