Elastic elements for generating a pretension force

Manufacturing Micro system technology MEMS/NEMS Optics
Mikroniek 2009-3 by Paul Brom 13 June 2011

In mechatronic machines with a high positioning accuracy (i.e. submicron positioning), it is often necessary to have a stiff connection between the machine components. It can be deduced from the mechatronic model of a machine of this type that a certain connection between components has to be stiff (but not necessarily strong). A defined pretension force between the components is needed to optimise connections for (contact) stiffness. The design principle of a harmonica bush offers an elegant solution.


References

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