Lord Corp develops surface effect dampers

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.

Sound Quality

DesignNews magazine has an interesting article on Sound Quality with several automotive examples.

Read the article on the DesignNews website.

Active controlled bandsaws

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.

Use vibration to generate electricity

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 and EM4 form a partnership

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 Labs sign agreement

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.

Vibration increases bone density

Researchers placed pigs on a gently vibrating platform for 20 minutes a day and found that the pigs’ bone density increased. Read the full article on the Nature web site

This therapy has also been used on astronauts returning from space. Read more here.

Vibration sensors warn of building collapse

Abruptly collapsing roofs and toppling walls are occupational hazards for firefighters and rescue workers. The day may be approaching when devices called vibration sensors could give early warning to building collapse, significantly reducing risks to firefighters.
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