Producing composite fiber/metal workpieces

Patent metadata

Field	Value
Publication number	US-9656315-B2
Application number	US-201314384196-A
Country	US
Kind code	B2
Filing date	Mar 8, 2013
Priority date	Mar 13, 2012
Publication date	May 23, 2017
Grant date	May 23, 2017

Abstract

Methods, systems and apparatus for producing composite fiber/metal workpieces. In one aspect, a method includes locating a metal workpiece on a workpiece support of a machine tool, processing the metal workpiece located on the workpiece support to produce one or more shaped features on the metal workpiece, fitting a fiber fabric to the metal workpiece in a region of the shaped features, and connecting the fiber fabric to the metal workpiece in at least one of a non-positive-locking connection or a positive-locking connection to produce a composite fiber/metal workpiece.

First claim

What is claimed is:

1. A method of producing a composite fiber/metal workpiece, the method comprising:
locating a metal workpiece on a workpiece support of a machine tool;
processing the located metal workpiece using a processing device of the machine tool to shape at least one region of the metal workpiece;
fitting a fiber fabric to the shaped region of the metal workpiece; and
using the processing device of the machine tool, connecting the fitted fiber fabric to the metal workpiece to produce the composite fiber/metal workpiece,
wherein processing the metal workpiece to shape the region of the metal workpiece comprises punching the metal workpiece,
wherein fitting the fiber fabric comprises supplying at least a portion of the fiber fabric in the form of a fiber mat to the workpiece while the workpiece is located on the workpiece support, and
wherein the shaped region comprises a feature extending from a surrounding region of the metal workpiece, and wherein fitting the fiber fabric to the metal workpiece comprises positioning the fiber mat on the metal workpiece such that the feature of the metal workpiece is received into a hole defined in the fiber mat.

2. The method of claim 1 , wherein punching the workpiece raises a rim of material of the workpiece in the shaped region about a hole formed by the punching.

3. The method of claim 1 , wherein the fiber fabric is connected to the metal workpiece by deforming the shaped region of the metal workpiece.

4. The method of claim 1 , further comprising:
applying at least one cover over the fiber fabric fitted to the metal workpiece, and
wherein connecting the fiber fabric to the metal workpiece comprises clamping the fiber fabric between the metal workpiece and the cover.

5. The method of claim 1 , further comprising separating the composite fiber/metal workpiece from a remainder of the metal workpiece by cutting the metal workpiece.

6. A method of producing a composite fiber/metal workpiece, the method comprising:
locating a metal workpiece on a workpiece support of a machine tool;
processing the located metal workpiece using a processing device of the machine tool to shape at least one region of the metal workpiece;
fitting a fiber fabric to the shaped region of the metal workpiece; and
using the processing device of the machine tool, connecting the fitted fiber fabric to the metal workpiece to produce the composite fiber/metal workpiece,
wherein fitting the fiber fabric comprises producing at least a portion of the fiber fabric by winding fiber strands around raised regions of the metal workpiece formed by processing the metal workpiece.

7. The method of claim 6 , wherein the fiber strands are supplied to the metal workpiece from a magazine.

8. The method of claim 6 , wherein the fiber strands are wound around shaped portions of the metal workpiece while the metal workpiece is moved relative to the processing device.

9. The method of claim 6 , wherein the fiber fabric is connected to the metal workpiece by deforming the shaped region of the metal workpiece.

10. The method of claim 6 , further comprising:
applying at least one cover over the fiber fabric fitted to the metal workpiece, and
wherein connecting the fiber fabric to the metal workpiece comprises clamping the fiber fabric between the metal workpiece and the cover.

11. The method of claim 6 , further comprising separating the composite fiber/metal workpiece from a remainder of the metal workpiece by cutting the metal workpiece.

12. A non-transitory computer readable storage medium storing instructions executable by one or more computers and upon such execution causing the one or more computers to perform operations to produce a composite fiber/metal workpiece, the operations comprising:
locating a metal workpiece on a workpiece support of a machine tool;
processing the metal workpiece located on the workpiece support to produce one or more shaped features of the metal workpiece;
fitting a fiber fabric to the features of the metal workpiece; and
connecting the fiber fabric to the metal workpiece to produce the composite fiber/metal workpiece,
wherein processing the metal workpiece to shape the region of the metal workpiece comprises punching the metal workpiece,
wherein fitting the fiber fabric comprises supplying at least a portion of the fiber fabric in the form of a fiber mat to the workpiece while the workpiece is located on the workpiece support, and
wherein the shaped region comprises a feature extending from a surrounding region of the metal workpiece, and wherein fitting the fiber fabric to the metal workpiece comprises positioning the fiber mat on the metal workpiece such that the feature of the metal workpiece is received into a hole defined in the fiber mat.

Assignees

• Trumpf Werkzeugmaschinen Gmbh Co Kg

Inventors

• Renz Bernd

Classifications

• B21D39/032 Primary

  by fitting a projecting part integral with one plate in a hole of the other plate · CPC title

• B21D49/00

  Sheathing or stiffening objects (by winding wire or tape thereon B65H54/00, B65H81/00; specially adapted for manufacturing conductors or cables H01B13/26) · CPC title

• Y10T29/49826

  Assembling or joining · CPC title

• Y10T29/53961

  with work-holder for assembly · CPC title

• B21D39/03 Primary

  of sheet metal otherwise than by folding · CPC title