Friction stir welding apparatus for overlapped joints

Friction stir welding apparatus for overlapped joints

  • CN 102,049,610 A
  • Filed: 03/30/2010
  • Published: 05/11/2011
  • Est. Priority Date: 10/29/2009
  • Status: Active Grant
First Claim
Patent Images

1. friction stir welding apparatus that is used for lap joint, described device is provided with rotor and the probe with shoulder, and described probe is arranged to stretch out and be provided with the rotor axis is concentric from the shoulder of rotor,Wherein, helical groove is formed on the probe periphery surface, extends to described shoulder from probe tip, and depth of groove forms from probe tip and reduces gradually to described shoulder.

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