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Active control of cutting shock noise in punching machines

: Quickert, M.; Hank, R.

Adaptronic Congress 2008. Conference proceedings : 20-21 May 2008 in Berlin
Göttingen: Adaptronic Congress Veranstaltungs GbR, 2008
Adaptronic Congress <12, 2008, Berlin>
Conference Paper
Fraunhofer IWU ()
aktive Geräuschminderung; Stanzmaschine; Geräuschemission; Maschinenakustik; active noise control; punching machine; noise emission; machine acoustic

Inertial mass actuators have been used successfully in the past for reducing self-excited vibrations on punching machines. If the foremost item on the agenda has been enhancing form stability, surface quality and tool service life, the SilEnT Project explored the options for reducing noise emission caused by the process on hydraulic punching machines. This article is a description of the potential particularly in the range of low-frequency eigenmodes of the machine frames that are important for noise emission.