Mechanical vibrations occur in almost all industrial applications. These are periodically returning movements of technical systems or components. The vibration process is characterized by the state variables. One state variable, for example, is the position of a point in the vibrating system.
In technical systems mechanical vibrations are usually undesirable. They lead to increased stress on the components and thus to a reduction in lifetime. In addition, mechanical vibrations harm the function and lead to audible noise emission.
To mitigate these effects, the damping of mechanical vibrations is necessary. At the moment this is done by additional damping elements which are adapted to the vibrating components. A disadvantage of these elements proves to be the additional mass and the additional needed installation space. Further, a separate assembly step is required. This leads to higher manufacturing and assembly costs and increased weight. To minimize the manufacturing and assembly costs of technical systems, to adjust the damping functions to the corresponding mechanical vibrations and to reduce the weight, an integration of the damping function into existing structures of engineering system is desirable.
Additive manufacturing processes offer great design freedom. Complex structures can be manufactured without a significant increase of the manufacturing costs. The use of these manufacturing processes is constantly expanded through research and development. The advantages of the additive manufacturing process can be used in the field of vibration damping of mechanical vibrations.
They allow the direct integration of damping functions into structures of technical systems. For this purpose, an internal structure will be integrated into the components. Instead of solid structures cavities with different internal structures, for example lattice structures, will be integrated into the component. In addition, the damping effect will be affected by a variety of filling media in the cavities, such as residual particulate support material.