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Flexplates
6 February 2018
Technical Pulleys
6 February 2018

Torsional vibration dampers


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Fixed to the crankshaft, the name of the torsional vibration damper explains its function, which is to absorb the torsional vibrations induced on the crankshaft by the pressures inside the combustion chamber. The torsional vibration damper is essential to preserve the functionality and life of the car's main transmission component, so much so that a good damper can absorb up to 50% of the vibrations produced on the crankshaft. AGLA produces rubber dampers and viscous dampers, which differ essentially in their operating temperature: rubber dampers (divided into primary and secondary, depending on whether the transmission of movement occurs rigidly between the crankshaft and the belt or through the rubber) are perfect for engines with relatively small capacity, which do not work at very high temperatures, while viscous dampers are used for high performance engines (trucks and large capacity cars), where the operating temperatures are too high for rubber. In these cases the absorption of vibrations is achieved by a silicone oil that guarantees durability and resistance for over 2 million km. AGLA produces an average of almost 4 million torsional vibration dampers a year.

  • Hirth toothed
    coupling made
    by coining,
    without
    stock
    removal.
    Hirth toothed
    coupling made
    by coining,
    without
    stock
    removal.
  • Vibrational analysis
    of engine input data
    Vibrational analysis
    of engine input data
  • Rubber rings checked 100%
    for dimensional characteristics
    and internal structure by X-rays
  • Simulation of
    prototyping
    and testing
    solutions
  • Automatic optical control for
    critical TVD features
  • Innovative solutions for hybrid engines
  • Silicone oil selection and
    design of specific gap for
    each project
  • Hubs made from
    metal forming
    from the raw
    material to the
    finished product
    without
    mechanical
    machining
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