Active and Passive damping devices

Case Study: Machine tool retrofitted with AVR system

Scope Each manufacturing process is driven by the demand for high-quality goods at minimum costs. When it comes to production equipment, like milling, turning, drilling or grinding machines, the inevitable vibrations originating from the cutting process are one important factor which could limit the above-mentioned goals. The common approach to conteract chatter vibrations is to […]

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Passive versus active damping devices

By Dr. Ir. Nicolas Loix Some vibrations problems are directly related to structural resonances, which are specific frequencies at which dynamic perturbations are, sometimes hugely, amplified. The level of this amplification is inversely proportional to the internal damping of the structure. Hence, in order to reduce vibration problems related to resonances, one will want to […]

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