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Daiwa House Industry Central Laboratory

Vibration Control Device DMD

Stress and anxiety caused by traffic vibration, such as heavy vehicles on roads and railroad tracks, has been picked up as one of the major problems faced by people living in urban area. DMD (Duet Mass Damper) is the original vibration control device to minimize traffic vibrations. Although the conventional device was consisted of only one weight and spring, DMD has double-stacked weights on tandem, enabling vibration control for the wide range of frequency. This device cuts almost half of the vibration generated by traffics.

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