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Method for analyzing welding quality of aluminium alloy with X radiograph

A welding quality and X-ray technology, which is applied in the field of analyzing aluminum alloy welding quality, can solve problems such as the complexity of film evaluation knowledge, achieve automatic defect evaluation, realize automatic comprehensive evaluation, and save time and manpower

Inactive Publication Date: 2008-02-06
SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
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Problems solved by technology

For the defect extraction and identification of film welds, predecessors have carried out quite extensive and in-depth research, but due to the comprehensiveness of this technology and the complexity of film review knowledge, there is no mature automatic film review software at present. The system is applied in industrial practice

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  • Method for analyzing welding quality of aluminium alloy with X radiograph
  • Method for analyzing welding quality of aluminium alloy with X radiograph
  • Method for analyzing welding quality of aluminium alloy with X radiograph

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Embodiment Construction

[0038] The present invention is described in detail below in conjunction with accompanying drawing:

[0039] In the present invention, the software system is a structure supporting multiple documents and multiple views; it is open and expandable. The system supports comprehensive industrial X-ray film analysis and processing functions such as film scanning, storage, analysis, management, evaluation and report printing. The system has a friendly interface and is easy to operate, adopting the familiar WINDOWS system interface style.

[0040] As shown in Figure 1, the present invention is as follows to the processing of X-ray film, analysis step:

[0041] (1) The negative film digital scanning module realizes the communication between the image input device, that is, the scanner, and the system software according to the international TWAIN standard and protocol. In the operation, the film can be scanned directly, and the scanning program of the selected scanner can be called to...

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Abstract

The present invention discloses a method which can analyze welding quality of aluminium alloy through an X-ray negative. The steps of processing and analysis to the X-ray negative in the present invention are that: firstly, a digital scan is processed to the X-ray negative via a scanner, and the scanned digital images are transferred to a computer. Secondly, the scanned digital images are managed via a computer. Thirdly, a pretreatment is carried out to the digital images. Fourthly, the welding seam extraction, the defect edge extraction and the characteristic parameter extraction are carried out via computer software. Fifthly, the welding defect is classified and assessed, and a final assessing result is generated. Sixthly, a report is generated and printed. The present invention is simple, fast, time saving and manpower saving. The welding quality of aluminium alloy can be analyzed objectively and accurately. The dependence on the operator and the interference of man-made factors are reduced. The automatic assessment of the defect of the X-ray negative and the automatic comprehensive assessment of the welding quality are realized.

Description

technical field [0001] The invention relates to a method for analyzing the welding quality of aluminum alloys, in particular to a method for analyzing the welding quality of aluminum alloys through X-ray film and using computer software. Background technique [0002] Welding technology is one of the important branches of the manufacturing industry, and its post-weld inspection technology is the last guarantee process between products and customers, and its key role is beyond doubt. Post-weld inspection techniques depend on post-weld non-destructive testing techniques. Non-destructive testing plays a very important role in supporting the development of welding and related technologies. Commonly used non-destructive testing methods include ultrasonic testing (Ultrasonic Technology, UT), ray testing (Radiography Technology, RT), penetration testing (Penetrate Technology, PT), magnetic particle testing (Magnetic Technology, MT), eddy current testing (EddyTesting, ET), acoustic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/18G01N23/04
Inventor 张万春贺爱国蒋立夏旭新周贵强王荣任顺奎
Owner SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
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