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Composite welding technology method of aluminum and aluminum profile thereof

A technology of alloy profiles and composite welding, used in welding equipment, metal processing equipment, manufacturing tools, etc.

Active Publication Date: 2019-12-20
抚顺创德机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problem of groove opening when melting and welding thick aluminum and its alloys to make profiles and to reduce the stress concentration at the weld toe caused by structural mutation during friction stir welding

Method used

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  • Composite welding technology method of aluminum and aluminum profile thereof
  • Composite welding technology method of aluminum and aluminum profile thereof
  • Composite welding technology method of aluminum and aluminum profile thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0031] Step 1, preparing aluminum and its alloy wing plates and webs that meet the profile size requirements;

[0032] Step 2, according to the size requirements, use the jig set to spot-weld the flange and the web, and perform profile correction;

[0033] Step 3, put the fixed and welded profiles into the welding assembly line, open the web clamping mechanism and the wing plate clamping mechanism to realize the clamping of the assembly line operation system;

[0034] Step 4, adjust the welding position of the flange of the friction stir welding machine to the upper T-joint, and adjust the position of the fillet weld of the operator of the double-arc arc welding system to the lower T-joint;

[0035] Step 5, set the transmission speed of the pipeline according to the welding speed, so that the welding of the friction stir welding machine is synchronized with the welding speed of the double arc welding system;

[0036] Step 6, start the friction stir welding machine, after the ...

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PUM

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Abstract

The invention relates to a composite welding technology method of aluminum and an aluminum profile thereof. Heat inputs of two welding methods are adopted for being mutually complemented and utilized.According to the first kind, electric arc welding is carried out on fillet seams on the two sides of a web, and after a certain distance is kept, stirring friction welding is carried out for weldinga middle wing plate. According to the second kind, middle stirring friction welding is carried out firstly, so that a T-shaped connector is formed, and then fusion welding is carried out on the two sides. According to the composite welding technology method, by means of integrated composite welding, an automatic profile welding production line with high efficiency, high quality and relative low cost can be achieved.

Description

technical field [0001] The invention belongs to the welding field of non-ferrous metal aluminum and its alloys, and in particular relates to a welding method for manufacturing T-shaped or I-shaped profiles by welding aluminum and its alloys. Background technique [0002] Aluminum is one of the most widely used metal materials at present. It has the remarkable characteristics of light weight, high strength ratio and atmospheric corrosion resistance. However, there are many problems in aluminum welding, such as oxide film cleaning, large welding deformation, fast heat conduction and difficulty in melting, and low joint strength when welding high-strength materials, which plague the welding process. In the manufacture of large-thickness aluminum profiles, if it is necessary to weld T or I-shaped structures with high fatigue resistance, it is generally required that the joints must be welded through and form a smooth transition. Therefore, when the general fusion welding method...

Claims

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Application Information

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IPC IPC(8): B23K28/02
CPCB23K28/02
Inventor 蒋应田王琦喆温黎明蒋常铭徐源卢红杨玉辉史旭龙杨坪师禹刘峰李宪臣高学朋马友铭魏哲如
Owner 抚顺创德机械设备有限公司
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