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Friction stir welding heads manufacturers take you to understand the working principle of friction stir welding

Friction stir welding heads manufacturers take you to understand the working principle of friction stir welding

  • Categories:Industry news
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  • Time of issue:2022-07-29 11:28
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(Summary description)The manufacturer of friction stir welding heads tells you that friction welding is a method of using the heat generated by the mutual movement and friction of the workpiece ends to make the ends reach a thermoplastic state.

Friction stir welding heads manufacturers take you to understand the working principle of friction stir welding

(Summary description)The manufacturer of friction stir welding heads tells you that friction welding is a method of using the heat generated by the mutual movement and friction of the workpiece ends to make the ends reach a thermoplastic state.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2022-07-29 11:28
  • Views:
Information

The manufacturer of friction stir welding heads tells you that friction welding is a method of using the heat generated by the mutual movement and friction of the workpiece ends to make the ends reach a thermoplastic state, and then quickly upsetting to complete the welding. No other welding consumables, such as welding rod, wire, flux and shielding gas, are not required during the welding process, and the only consumption is the welding stirring head. The friction stir welding stirrer is the key to welding technology. The manufacturer of friction stir welding heads tells you that the design of the stir head directly affects the generation of friction heat sources and the flow of the shaped metal, which determines whether the welding head can be used in a wider range.

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How friction stir welding works:
Friction stir welding heads manufacturers tell you to feed a rotating cylindrical tool with a profiled probe into the butt between the two clamped workpieces until a shoulder with a larger diameter than the pin touches the workpiece surface. The probe is slightly shorter than the desired weld depth, and the tool shoulder is on the work surface. After a short dwell time, the tool moves forward along the joint line at a preset welding speed.
Frictional heat is generated between the wear-resistant tool and the workpiece. Friction stir welding heads manufacturers tell you that this heat, along with the heat generated by the mechanical mixing process and the adiabatic heat in the material, softens the material being stirred without melting. As the tool is moved forward, the special contour on the probe forces the plasticized material from the front to the back surface, where high forces aid in the consolidation of the forged weld.
Friction stir welding heads manufacturers tell you that the process of moving the tool along the weld line in a plasticized tubular shaft of metal can cause severe solid state deformation, including dynamic recrystallization of the substrate.

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