DEVICE FOR WELDING COMPONENTS BY MEANS OF ULTRASOUND BY TORSIONAL VIBRATIONS

WIPO Patent Application WO/2017/001255

A3

The invention relates to devices (10') for welding components by means of ultrasound. The device (10') comprises a sonotrode (11') having a sonotrode head (12'), which can be excited by a vibration generator to produce torsion vibrations with respect to a torsion axis (T), wherein at least one welding surface (14') is arranged on the peripheral side on the sonotrode head (12') with respect to the torsion axis (T). The device (10') also comprises a support device (15') which supports the sonotrode head (11') in a support area (16') which contains a vibration node of the sonotrode head (12'). Said support area (16') and the welding surface (14') at least partially extend on a common plane (E) which extends perpendicular to the torsion axis (T). The invention also relates to a device (10') for welding components by means of ultrasound, in which the sonotrode (11') comprises a borehole (17') which penetrates the support area (16') essentially perpendicular to the torsion axis (T), and the support device (15') contains a support bolt (18') extending through the borehole (17'), said support bolt supporting the sonotrode (11') in the support area (16') in the borehole (17'). The invention also relates to a device (10''; for welding components by means of ultrasound using a temperature control device.

SOLENTHALER PETER (CH)
HÜNIG THOMAS (DE)

PCT/EP2016/064360

February 23, 2017

June 22, 2016

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TELSONIC HOLDING AG (CH)

B23K20/10; B06B3/00; B29C65/08

US20100078115A1	2010-04-01
US3602420A	1971-08-31
US20030160084A1	2003-08-28
DE10250741A1	2004-05-19
DE202008007271U1	2008-07-31

BALLIEL-ZAKOWICZ, Stephan et al. (CH)

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