Device for processing workpieces

Details Device for processing workpieces Device for processing workpieces

2011-01-11

2011-01-11

Benson, Walter (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S311000, C310S317000

Reexamination Certificate

active

07868518

ABSTRACT:
A device for processing workpieces uses ultrasound, with an resonant system comprising an ultrasound generator, an ultrasound sonotrode, and an anvil, wherein a workpiece is processed between the anvil and the ultrasound sonotrode. The ultrasound generator comprises a regulation means which has a regulation member connected upstream of the ultrasound generator to receive a feedback signal from the resonant system and to generate a regulation variable which is supplied to the ultrasound generator. A connecting point is provided between the regulation member and the ultrasound generator, at which the regulation variable of the regulation member is linked to a process variable from the processing procedure.

REFERENCES:
patent: 3141982 (1964-07-01), Smith
patent: 5938677 (1999-08-01), Boukhny et al.
patent: 6115204 (2000-09-01), Yokomachi et al.
patent: 7004182 (2006-02-01), Duval et al.
patent: 2003/0209500 (2003-11-01), Kock et al.
patent: 2005/0105661 (2005-05-01), Miller et al.
patent: 2007/0251977 (2007-11-01), Gnad et al.

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