Shim manufacturing system

Patent metadata

Field	Value
Publication number	US-9674899-B2
Application number	US-201313909491-A
Country	US
Kind code	B2
Filing date	Jun 4, 2013
Priority date	Jun 4, 2013
Publication date	Jun 6, 2017
Grant date	Jun 6, 2017

Abstract

A method for forming a shim. A liquid shim material with a magnetically permeable material is applied in a location for the shim between a plurality of composite parts. A magnetic field is applied to the magnetically permeable material in the location. The magnetic field is configured to heat the liquid shim material to a temperature to cause the liquid shim material to become solid and form the shim.

First claim

What is claimed is:

1. A method for forming a shim, the method comprising:
applying a liquid shim material with a magnetically permeable material in a location for the shim between a plurality of composite parts, wherein the magnetically permeable material has a shape selected from at least one of a wire, a strip, a plate, or a sheet;
applying a magnetic field to the magnetically permeable material in the location, wherein the magnetic field is configured to heat the liquid shim material to a temperature to cause the liquid shim material to become solid and form the shim; and
removing the magnetically permeable material after heating the liquid shim material to form the shim.

2. The method of claim 1 further comprising:
positioning a magnetic field generator such that the magnetic field generator applies the magnetic field to the magnetically permeable material.

3. The method of claim 1 , wherein applying the liquid shim material with the magnetically permeable material in the location for the shim between the plurality of composite parts comprises:
applying the liquid shim material to the location; and
placing the magnetically permeable material in the location.

4. The method of claim 3 , wherein the magnetically permeable material is placed in at least one of in the liquid shim material in the location prior to the liquid shim material being applied to the location or on the liquid shim material after the liquid shim material is applied to the location.

5. The method of claim 1 , wherein the wire has a diameter from about 0.003 inches to about 0.020 inches.

6. The method of claim 2 , wherein the magnetic field generator and the magnetically permeable material form a layer placed in contact with the liquid shim material.

7. The method of claim 6 , wherein the layer is configured to be removed after the liquid shim material becomes solid to form the shim.

8. The method of claim 1 , wherein the magnetically permeable material is a smart susceptor.

9. The method of claim 1 , wherein the magnetically permeable material is selected from at least one of an alloy, a cobalt, an iron alloy, a nickel and iron alloy, an iron and silicon alloy, an amorphous magnetic alloy, or a crystalline magnetic alloy.

10. A method for forming a shim, the method comprising:
applying a liquid shim material with a magnetically permeable material in a location for the shim between a plurality of parts, wherein the magnetically permeable material has a shape selected from at least one of a wire, a strip, a plate, or a sheet;
applying a magnetic field to the magnetically permeable material in the location, wherein the magnetic field is configured to heat the liquid shim material to a temperature to cause the liquid shim material to become solid and form the shim; and
removing the magnetically permeable material after heating the liquid shim material to form the shim.

11. An apparatus comprising:
a liquid shim material with a magnetically permeable material applied in a location for a shim between a plurality of composite parts, wherein the magnetically permeable material has a shape selected from at least one of a wire, a strip, a plate, or a sheet, and wherein the magnetically permeable material is removable after heating the liquid shim material to form the shim; and
a magnetic field generator configured to apply a magnetic field to the magnetically permeable material in the location, wherein the magnetic field is configured to heat the liquid shim material to a temperature to cause the liquid shim material to become solid and form the shim.

12. The apparatus of claim 11 , wherein the magnetic field generator is positioned such that the magnetic field generator applies the magnetic field to the magnetically permeable material.

13. The apparatus of claim 11 , wherein the magnetically permeable material is placed in at least one of in the liquid shim material in the location prior to the liquid shim material being applied to the location or on the liquid shim material after the liquid shim material is applied to the location.

14. The apparatus of claim 11 , wherein the wire has a diameter from about 0.003 inches to about 0.020 inches.

15. The apparatus of claim 11 , wherein the magnetic field generator and the magnetically permeable material form a layer.

16. The apparatus of claim 15 , wherein the layer is configured to be removed after the liquid shim material becomes solid to form the shim.

17. An aircraft comprising:
a first part;
a second part includes a portion configured to be adjacent to the first part upon attachment thereto, wherein the second part is at least partially separated from the first part by a gap due to variances in fabrication; and
a shim disposed in the gap between the first part and the second part, wherein the shim comprises a magnetically permeable material disposed therein, wherein the magnetically permeable material has a shape selected from at least one of a wire, a strip, a plate, or a sheet, and the shim is solidified in place in the gap between the first part and the second part from exposing the magnetically permeable material to a magnetic field and removing the magnetically permeable material after heating the liquid shim material to form the shim.

Assignees

• Boeing Co

Inventors

• Matsen Marc Rollo
• Smith Brian W
• Miller Robert James

Classifications

• B29C35/0805 Primary

  using electromagnetic radiation · CPC title

• B29C66/131

  Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area · CPC title

• Y02T50/433

  Cross-Sectional Technologies · mapped topic

• B29K2307/04

  Carbon · CPC title

• B29C65/4835

  Heat curing adhesives · CPC title