Method for welding aluminum materials

A welding method and technology of aluminum materials, which are applied in the field of welding, can solve the problems of insufficient welding fastness and shallow welding depth, etc., and achieve the effects of increasing welding fastness, increasing depth, and strengthening fastness

Active Publication Date: 2010-02-17
KONFOONG MATERIALS INTERNATIONAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The problem solved by the invention is that the existing

Method used

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  • Method for welding aluminum materials
  • Method for welding aluminum materials
  • Method for welding aluminum materials

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0030] Example one:

[0031] In step S101, a first welded portion 13A is formed on the first aluminum tube 1A, and a second welded portion 23A is formed on the second aluminum tube 2A by mechanical processing.

[0032] In this embodiment, the prior art such as Figure 1A In the aluminum tube shown, the first aluminum tube 1A has a first tube wall 11A, and the first tube wall 11A has a circular cross-section. Wherein, the first tube wall 11A has a first joining area 16A, and the first joining area 16A has a first welding surface 12A. The second aluminum tube 2A has a second tube wall 21A, and the second tube wall 21A has a circular cross section. Wherein, the second tube wall 21A has a second joining area 26A, and the second joining area 26A has a second welding surface 22A.

[0033] Then, a first welding portion 13A is formed on the first joining area 16A of the first aluminum tube 1A by a machining process. A second welding portion 23A is formed on the second joining area 26A of t...

Example Embodiment

[0051] Embodiment two:

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PUM

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Abstract

The invention relates to a method for welding aluminum materials, comprising the following steps: forming a first welding part on a first bonding area of a first aluminum material and forming a secondwelding part on a second bonding area of a second aluminum material; splicing the first welding part and the second welding part to form a welding groove; and performing welding at the welding grooveby using a spray gun, forming a molten pool due to the entrance of solders into the welding groove during heating, and finally forming welding points after the molten pool is cooled. The welding points formed by the method have high depth, thereby enhancing the firmness of welding.

Description

technical field [0001] The invention relates to a welding method, in particular to an inert gas shielded welding method for aluminum materials. Background technique [0002] Aluminum materials are easily oxidized during welding to form alumina, which has a high melting point and is very stable, thereby hindering the melting and fusion of the base metal. At present, inert gas shielded welding is mostly used for welding aluminum and aluminum alloys, which can prevent the oxidation of aluminum during welding. Inert gas shielded welding includes non-melting extremely inert gas shielded welding and melting extremely inert gas shielded welding. [0003] Non-melting pole inert gas shielded welding is that the arc burns between the non-melting pole and the workpiece, and an inert gas that does not chemically react with the metal flows around the welding arc to form a protective gas cover, so that the non-melting pole, arc and The molten pool and the metal already at high temperatu...

Claims

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Application Information

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IPC IPC(8): B23K9/235B23K9/16
Inventor 姚力军潘杰王学泽汪涛刘庆
Owner KONFOONG MATERIALS INTERNATIONAL CO LTD
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