Method and apparatus for producing a refined grain structure
AssigneeThe Boeing Company
InventorEdward Litwinski
Life of this patent
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Abstract
The apparatus for operating on a workpiece includes a die defining first and second apertures and an interior therebetween. The first aperture and the interior of the die are structured to receive the workpiece. The interior of the die can be structured to shape the workpiece into a predetermined configuration. The apparatus includes at least one rotatable pin extending at least partially into the interior of the die. The pin is structured to at least partially stir the workpiece as the workpiece moves through the interior of the die to thereby refine the grain structure of the workpiece.
Claims20
An apparatus for operating on a workpiece, comprising:
- a die defining first and second apertures and an interior therebetween, said first aperture and said interior of said die being structured to receive the workpiece;
- and
- at least one rotatable pin extending at least partially into said interior of said die, said at least one pin being structured to at least partially stir the workpiece as the workpiece moves through said interior of said die to thereby refine the grain structure of the workpiece.
An apparatus for operating on a workpiece, comprising:
- at least one motor having a rotatable spindle;
- a die defining first and second apertures and an interior extending therebetween, said interior of said die being structured to form the workpiece;
- and
- at least one pin in rotatable communication with said spindle, said at least one pin extending at least partially into said interior of said die, said at least one pin being structured to at least partially mix the workpiece as the workpiece moves through said interior to thereby refine the grain structure of the workpiece.
Dependencies are inferred from the claim text.