Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate
2010-02-11
2010-12-14
Kerns, Kevin P (Department: 1793)
Metal fusion bonding
Process
Using dynamic frictional energy
C228S002100, C228S103000
Reexamination Certificate
active
07850057
ABSTRACT:
A friction stir system for processing at least a first workpiece includes a spindle actuator coupled to a rotary tool comprising a rotating member for contacting and processing the first workpiece. A detection system is provided for obtaining information related to a lateral alignment of the rotating member. The detection system comprises at least one sensor for measuring a force experienced by the rotary tool or a parameter related to the force experienced by the rotary tool during processing, wherein the sensor provides sensor signals. A signal processing system is coupled to receive and analyze the sensor signals and determine a lateral alignment of the rotating member relative to a selected lateral position, a selected path, or a direction to decrease a lateral distance relative to the selected lateral position or selected path. In one embodiment, the friction stir system can be embodied as a closed loop tracking system, such as a robot-based tracked friction stir welding (FSW) or friction stir processing (FSP) system.
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Cook George E.
Delapp David
Fleming Paul
Hartman Daniel A.
Lammlein David
Kerns Kevin P
Novak Druce & Quigg LLP
Patel DeVang R
Quinones Eduardo J.
Vanderbilt University
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