Apparatus for friction stir welding

摘要

One aspect of the disclosure relates to a friction stir welding apparatus. The friction stir welding apparatus includes a spindle housing and a pin tool concentric with an axis and rotatable relative to the spindle housing about the axis. The friction stir welding apparatus also includes a first shoulder not substantially rotatable relative to the spindle housing about the axis and a second shoulder not substantially rotatable relative to the spindle housing about the axis. The pin tool is rotatable relative to the first shoulder and the second shoulder.

主权项

1. A friction stir welding apparatus for joining workpiece portions, the apparatus comprising:
a spindle housing; a pin tool concentric with an axis and rotatable relative to the spindle housing about the axis; a first shoulder not substantially rotatable relative to the spindle housing about the axis, wherein:
the first shoulder comprises planar contact portions arranged at an angle relative to each other and oblique relative to the axis; andthe axis bisects the angle at an apex thereof; and a second shoulder opposing the first shoulder and rotatable relative to the spindle housing about the axis.