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Weldable aluminum sheet and associated methods and apparatus

A solder joint, resistance welding technology, used in welding equipment, welding equipment, resistance welding equipment, etc.

Inactive Publication Date: 2021-05-25
ARCINIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Still, there are challenges for current manufacturers of resistance welded steel sheets to directly replace aluminum into their joining elements

Method used

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  • Weldable aluminum sheet and associated methods and apparatus
  • Weldable aluminum sheet and associated methods and apparatus
  • Weldable aluminum sheet and associated methods and apparatus

Examples

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Embodiment Construction

[0060] The drawings constitute a part of this specification and include illustrative embodiments of the disclosure, and illustrate various objects and features thereof. In addition, any measurements, specifications, etc. shown in the figures are intended to be illustrative and not limiting. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0061] Amongst those benefits and improvements already disclosed, other objects and advantages of the present invention will become apparent from the following description taken in conjunction with the accompanying drawings. Detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely illustrative of the invention that can be embodied in various forms. In addition, each of the examples ...

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Abstract

A method for resistance spot welding aluminum alloys includes reducing the electrical resistance of an outer surface of the stackup in contact with the anode while leaving the faying surfaces at higher resistances, e.g., by grit blasting the anode contacting surface. High resistance electrodes, e.g., with refractory metal content may be used. Stackups of greater than two members may be used. Sheet material may be prepared having the lower and higher resistance surfaces and used with other sheets having higher resistance surfaces. The cathode contacting surface of the stackup may also have a reduced resistance. The method and sheet may be used in assembling vehicle bodies.

Description

[0001] Cross References to Related Applications [0002] This application relates to and claims the benefit of commonly owned, co-pending U.S. Provisional Patent Application Serial No. 62 / 748,730, filed October 22, 2018, entitled "WELDABLE ALUMINUM SHEETAND ASSOCIATED METHODS AND APPARATUS," which is incorporated by reference in its entirety into this article. technical field [0003] The present invention relates to joining materials by welding, and more particularly, the present invention relates to methods, apparatus and materials for joining aluminum alloy materials by resistance welding. Background technique [0004] Resistance spot welding (RSW) of steel is used in many industrial applications, for example in automobile manufacturing where robotic welding equipment is often employed. RSW of steel is a rapid and low-cost process that is flexible for a wide variety of metal specifications and is easy to operate and automate. Aluminum sheet of similar gauge generally re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/02B23K35/28B23K11/18
CPCB23K35/02B23K11/185B23K11/115B23K11/34B23K2101/006B23K2101/18B23K35/286B23K35/0238B23K2103/10B23K11/11
Inventor A·尤纳尔J·M·埃普D·J·斯皮内拉R·J·基尔默L·M·明
Owner ARCINIC INC