Method for Electron Beam Welding Dissimilar Aluminum Alloys
A technology of electron beam welding and aluminum alloy, which is applied in the direction of electron beam welding equipment, welding equipment, welding equipment, etc., can solve the problems of poor mechanical properties of joints, poor weld forming quality, etc., achieve good weld forming quality, improve The effect of improving joint structure performance and forming quality
Active Publication Date: 2018-01-12
BEIJING HANGXING MACHINERY MFG CO LTD
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004] The purpose of the present invention is to propose a method for electron beam welding of dissimilar aluminum alloys, which overcomes the poor quality of the weld seam and the poor quality of the joints during electron beam welding of aluminum-silicon cast aluminum alloys and aluminum-magnesium deformed aluminum alloys in the prior art. The lack of poor mechanical properties improves the welding quality and reduces the welding cost. At the same time, this method has no special requirements for the environment, no special pre-weld and post-weld treatment, the welding process is easy to implement, and the work efficiency is high. It has a strong application prospect
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment example
[0037] The electron beam welding machine used in the test is a CT4 electron beam welding torch produced by a French company. It is a three-stage gun with an indirect heating cathode. The cathode heating method is filament electron bombardment heating. The cathode material is tungsten and the output power is 15KW.
[0038] 1. Butt welding of ZL114A / 5A06 material 1mm thick structural plate:
[0039] The welding specifications are as follows: the joint is designed as a bottom-lock butt joint, the bottom of the ZL114A is left 2mm, the electron beam acceleration voltage is set to 30kV, the beam current of the electron beam is 20mA, and the electron beam is located at a distance of 0.1mm from the weld center on the ZL114A side , The welding speed is 1.2m / min, and the defocus amount is JSUR (surface focus)-0.02A.
[0040] The flat butt weld obtained by using the above welding specifications has good shape, uniform corrugation, good gas protection, no cracks, incomplete penetration an...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| diameter | aaaaa | aaaaa |
| tensile strength | aaaaa | aaaaa |
| diameter | aaaaa | aaaaa |
Login to View More
Abstract
The invention discloses a method for welding a heterogenous system aluminum alloy through electron beams. Welding base metal is an aluminum-silicon cast aluminum alloy and an aluminum-magnesium wrought aluminum alloy. The method specifically includes the following steps of (1) joint designing, (2) preweld cleaning and assembling, (3) setting of welding parameters of the electron beams, (4) setting of injection positions of the electron beams, (5) welding, (6) modification welding and (7) postwelding cleaning. By means of the method, the welding quality is improved; the welding cost is reduced; meanwhile, the method is free of the special requirement for the environment and does not need special preweld and postwelding treatment; the welding process is easy to implement; the work efficiency is high; the method is quite wide in application prospect.
Description
technical field [0001] The invention belongs to the technical field of high-energy beam welding, and in particular relates to a method for electron beam welding of dissimilar aluminum alloys. Background technique [0002] Electron beam welding technology is a high-energy beam welding method that uses electron beams as the welding heat source. It is a high-efficiency welding technology with the advantages of high energy density, high precision, fast welding speed, small deformation, and less thermal damage to materials. It has been widely used at present. In aerospace, automobile manufacturing and other fields. Aluminum alloy material is one of the most widely used metal materials in the aerospace field. Its unique properties such as large specific heat capacity and high thermal conductivity determine that it must use a heat source with concentrated energy when welding. Therefore, electron beam welding on aluminum alloy materials It has received extensive attention in resear...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): B23K15/10B23K37/00B23K103/10
CPCB23K15/0006B23K15/0033B23K15/10B23K2103/10
Inventor 李宏伟张鑫闫寒步贤政温志先曲宏韬陈久友王志敏
Owner BEIJING HANGXING MACHINERY MFG CO LTD