Multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts

a technology of friction stir welding and fixed bobbins, which is applied in the direction of manufacturing tools, welding devices, soldering devices, etc., can solve the problems of inability to use fsw tools similar to fsw tools, and inability to access the back side,

Inactive Publication Date: 2006-03-30
ARCONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect of this patented method for making multiple types of metal materials by means of frictional mixing techniques are improved efficiency compared with traditional methods like fusion bonding.

Problems solved by technology

This patent describes various technical problem addressed in this patents relational technology called FSW Tool Technologies used in industrial processes involving metal fusion bonding techniques. These technologies involve crimping multiple small pieces together along their edges while maintaining precise dimensions and quality control over these joined areas. Existing methods require separate tools for different types of connections, leading to longer processing times and increased costs associated therewith.

Method used

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  • Multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts
  • Multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts
  • Multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts

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Embodiment Construction

[0168] The present invention teaches the concept of multi-shouldered fixed bobbin tools that afford simultaneous friction stir welding of multiple parallel walls between parts. The term “wall” here can mean a sheet, a plate, a flange or web, a planar portion of an extrusion or rolled product, or a planar portion of a casting, etc.

[0169] In the discussion which follows, directional terms such as “top”, “bottom”, “upper”, “lower”, etc are for reference only. The tools described are for use in any orientation.

[0170]FIG. 8 illustrates a multi-shouldered fixed bobbin tool 60, according to the present invention. Bobbin tool 60 is for making two parallel welds simultaneously.

[0171] The inventors have realized that in order to FS weld with a multi-shouldered fixed Bobbin tool: [0172] a) Multiple parallel walls (e.g. 2-4), [0173] b) Relatively thick walls (2.5 cm), and [0174] c) Tough / strong alloys (e.g. 7085), the tool must be extra strong to resist the severe bending and twisting at its

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Abstract

A tool for making simultaneously a plurality of parallel friction stir welds includes at least one shank for holding in a chuck or collet of a friction stir welding machine, a plurality of friction stir welding pins, and friction stir welding shoulders including at least four working surfaces adjacent said ins, the shoulders and pins mounted in axial relationship; dimensions of said friction stir welding pins and shanks corresponding to dimensions and spacings of said friction stir welds.

Description

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Claims

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Application Information

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Owner ARCONIC INC
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