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Hamm HD+ 120i combines vibration and oscillation in a single drum for flexible and precise compaction with the VIO drum. This versatile roller uses intelligent compaction technology to achieve the ...

Rollers with an oscillating drum have proven their worth in a number of compacting applications. They are particularly well suited for compacting asphalt when vibration should be minimized, for ...

Models HD+ 120i V-VIO and HD+ 120i VIO-2 HF double-drum vibratory Hamm rollers use VIO drums that combine vibration and oscillation. Each is powered by a 154-horsepower Deutz engine. The Hamm HD+ 120i ...

NASA's Constellation programme leadership has selected actively 'tuned' mass dampers to solve the Ares I crew launch vehicle's (CLV) first-stage oscillation problem. The damper mass is a spring or ...