System for enhancing sonotrode performance in ultrasonic additive manufacturing applications
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United States of America Patent
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Sep 25, 2012
Grant Date -
Mar 15, 2012
app pub date -
Nov 22, 2011
filing date -
Mar 12, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ultrasonic welding assembly, comprising a sonotrode, wherein the sonotrode further includes at least one welding region and at least one node adjacent to the welding region; a mount for supporting the sonotrode, wherein the mount further includes a force application region; at least one ultrasonic transducer connected to the sonotrode for transmitting acoustic vibrations to the at least one welding region; at least one roller connected to the sonotrode in a flexible manner for permitting rotation of the sonotrode about its axis; a device for maintaining axial alignment of the sonotrode relative to a target welding area; and a low-friction bearing in contact with the at least one node for the application of force thereto, wherein the at least one low-friction bearing is connected to the mount.
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