Friction stir joining method

Details Friction stir joining method Friction stir joining method

2008-10-23

2010-02-23

Stoner, Kiley (Department: 1793)

Metal fusion bonding

Process

With condition responsive, program, or timing control

C228S002100, C228S112100

Reexamination Certificate

active

07665650

ABSTRACT:
In the friction stir joining apparatus of the present invention, a rotation control unit variably controls a rotational speed of a rotor; and a straight movement control unit controls a straight movement of the rotor so as to control a pressure applied by the rotor to the object. The tip portion of the rotating rotor is pressed against a workpiece, thus spot joining is executed. The apparatus can execute frictional stirring joining without practical trouble under simple control.

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